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IPWorks 2022 Python Edition

Version 22.0 [Build 8171]

LDAP Class

Properties   Methods   Events   Configuration Settings   Errors  

The LDAP Class is used to search, manage, and maintain Internet Directory (LDAP) servers.

Syntax

class ipworks.LDAP

Remarks

The LDAP Class supports both plaintext and SSL/TLS connections. When connecting over SSL/TLS the on_ssl_server_authentication event allows you to check the server identity and other security attributes. The on_ssl_status event provides information about the SSL handshake. Additional SSL related settings are also supported via the config method.

The LDAP Class implements a standard LDAP client as specified in RFC 1777, 2251, and other LDAP RFCs. Support for both LDAP v2 and v3 is provided.

The first step in using the class is specifying the server_name, a dn (Distinguished Name) to bind as, and optionally a password. Then you can call one or more of the class methods to act upon the server. Server responses are normally received through the on_result event. The only exceptions are search requests which result in one or more on_search_result events, followed by a final on_search_complete event.

Attributes are set and returned through the attributes properties. Other command arguments are specified through other properties. These are specified in detail in each method.

Search filters are to be specified as string arguments to the search method. The format must be a standard LDAP search string as specified in RFC 1558. Other search attributes are set in properties such as search_scope, search_time_limit, search_size_limit, search_return_values, and search_deref_aliases.

The class operates synchronously by default (waits for a response before returning control to the caller), however, the class may also operate asynchronously (return control immediately), by setting timeout to 0. Please refer to the timeout property for more information.

Property List


The following is the full list of the properties of the class with short descriptions. Click on the links for further details.

accept_dataEnables or disables data reception from the server.
attr_countThe number of records in the Attr arrays.
attr_typeAttribute type for the current entry.
attr_mod_opAn operation to apply on attributes during an LDAP modify operation.
attr_valueAttribute value for the current entry.
auth_mechanismThe authentication mechanism to be used when connecting to the LDAP server.
connectedShows whether the class is connected.
delete_old_rdnControls whether the old RDN (Relative Distinguished Name) should be deleted.
dnThe Distinguished Name used as the base for LDAP operations.
firewall_auto_detectThis property tells the class whether or not to automatically detect and use firewall system settings, if available.
firewall_typeThis property determines the type of firewall to connect through.
firewall_hostThis property contains the name or IP address of firewall (optional).
firewall_passwordThis property contains a password if authentication is to be used when connecting through the firewall.
firewall_portThis property contains the TCP port for the firewall Host .
firewall_userThis property contains a user name if authentication is to be used connecting through a firewall.
idleThe current status of the class.
ldap_versionThe version of LDAP used.
local_hostThe name of the local host or user-assigned IP interface through which connections are initiated or accepted.
message_idThe message identifier for the next LDAP request.
page_sizeThe maximum number of results per page for the Search method.
passwordThe password used to authenticate to the LDAP server.
reference_countThe number of records in the Reference arrays.
reference_urlThe url of the LDAP reference.
result_codeThe result code returned in the last server response.
result_descriptionThe descriptive text returned in the last server response (if any).
result_dnThe Distinguished Name returned in the last server response (if any).
search_deref_aliasesControls alias dereferencing during searching.
search_return_valuesControls whether the search operation returns values of attributes, or only types.
search_scopeControls the scope of LDAP search operations.
search_size_limitMaximum number of entries that can be returned by the next search operation.
search_time_limitA time limit for the next search operation (in seconds).
server_nameThe name or address of the LDAP server.
server_portThe server port for the LDAP connection (default is 389).
sort_attributesA string of attribute names to sort on with optional relative matching rules.
ssl_accept_server_cert_encodedThis is the certificate (PEM/base64 encoded).
ssl_cert_encodedThis is the certificate (PEM/base64 encoded).
ssl_cert_storeThis is the name of the certificate store for the client certificate.
ssl_cert_store_passwordIf the type of certificate store requires a password, this property is used to specify the password needed to open the certificate store.
ssl_cert_store_typeThis is the type of certificate store for this certificate.
ssl_cert_subjectThis is the subject of the certificate used for client authentication.
ssl_enabledWhether TLS/SSL is enabled.
ssl_providerTBD.
ssl_server_cert_encodedThis is the certificate (PEM/base64 encoded).
ssl_start_modeDetermines how the class starts the SSL negotiation.
timeoutA timeout for the class.

Method List


The following is the full list of the methods of the class with short descriptions. Click on the links for further details.

abandonAsks the server to abandon a request.
addAdds an entry specified by DN to the directory server using the type and value attributes defined in the Attributes properties.
attrReturns the value of the specified LDAP attribute.
bindConnects and binds to the directory server.
change_passwordChanges the password for the specified user.
compareCompares attributes and values with those of the entry specified by DN .
configSets or retrieves a configuration setting.
connectConnets to the remote host without performing any action.
deleteDeletes an entry specified by DN from the directory server.
do_eventsProcesses events from the internal message queue.
extended_requestPerforms an LDAP V3 Extended Operation.
interruptInterrupt the current method.
list_computersLists all computers in the directory.
list_group_membersList all members of a group.
list_groupsList all groups in the directory.
list_user_groupsLists all groups a user is a part of.
modifyPerforms an LDAP 'modify' operation on the entry specified by DN .
modify_rdnPerforms an LDAP 'modify RDN' operation an entry specified by DN .
move_to_dnPerforms an LDAP 'modify' operation on the entry specified by DN by changing its superior.
pause_dataPauses data reception.
process_dataRe-enables data reception after a call to PauseData .
resetReset the class.
searchSearches the directory server using the base object specified in DN and the search filter SearchFilter .
unbindUnbinds from the directory server.

Event List


The following is the full list of the events fired by the class with short descriptions. Click on the links for further details.

on_computer_listFired for each computer entry returned.
on_connectedFired immediately after a connection completes (or fails).
on_connection_statusFired to indicate changes in connection state.
on_disconnectedFired when a connection is closed.
on_errorInformation about errors during data delivery.
on_extended_responseFired for LDAP V3 Extended Responses.
on_group_listFired for each group entry returned.
on_pi_trailProvides detailed information about the interaction with the server.
on_resultFired for every server response, except search responses.
on_search_completeFired upon completion of a search operation.
on_search_pageFired for every page returned from a search operation.
on_search_resultFired for every entry returned from a search operation.
on_search_result_referenceFired for every result reference returned from a search operation.
on_ssl_server_authenticationFired after the server presents its certificate to the client.
on_ssl_statusShows the progress of the secure connection.
on_user_listFired once for each user entry returned.

Configuration Settings


The following is a list of configuration settings for the class with short descriptions. Click on the links for further details.

DomainControllerReturns the name of the domain controller.
FriendlyGUIDWhether to return GUID attribute values in a human readable format.
FriendlySIDWhether to return SID attribute values in a human readable format.
RequestControlsControls to include in the request.
ResponseControlsControls present in the response.
SingleResultModeDetermines how ResultDN behaves.
UseDefaultDCWhether to connect to the default Domain Controller when calling Bind.
ConnectionTimeoutSets a separate timeout value for establishing a connection.
FirewallAutoDetectTells the class whether or not to automatically detect and use firewall system settings, if available.
FirewallHostName or IP address of firewall (optional).
FirewallPasswordPassword to be used if authentication is to be used when connecting through the firewall.
FirewallPortThe TCP port for the FirewallHost;.
FirewallTypeDetermines the type of firewall to connect through.
FirewallUserA user name if authentication is to be used connecting through a firewall.
KeepAliveIntervalThe retry interval, in milliseconds, to be used when a TCP keep-alive packet is sent and no response is received.
KeepAliveTimeThe inactivity time in milliseconds before a TCP keep-alive packet is sent.
LingerWhen set to True, connections are terminated gracefully.
LingerTimeTime in seconds to have the connection linger.
LocalHostThe name of the local host through which connections are initiated or accepted.
LocalPortThe port in the local host where the class binds.
MaxLineLengthThe maximum amount of data to accumulate when no EOL is found.
MaxTransferRateThe transfer rate limit in bytes per second.
ProxyExceptionsListA semicolon separated list of hosts and IPs to bypass when using a proxy.
TCPKeepAliveDetermines whether or not the keep alive socket option is enabled.
TcpNoDelayWhether or not to delay when sending packets.
UseIPv6Whether to use IPv6.
LogSSLPacketsControls whether SSL packets are logged when using the internal security API.
OpenSSLCADirThe path to a directory containing CA certificates.
OpenSSLCAFileName of the file containing the list of CA's trusted by your application.
OpenSSLCipherListA string that controls the ciphers to be used by SSL.
OpenSSLPrngSeedDataThe data to seed the pseudo random number generator (PRNG).
ReuseSSLSessionDetermines if the SSL session is reused.
SSLCACertFilePathsThe paths to CA certificate files on Unix/Linux.
SSLCACertsA newline separated list of CA certificate to use during SSL client authentication.
SSLCheckCRLWhether to check the Certificate Revocation List for the server certificate.
SSLCipherStrengthThe minimum cipher strength used for bulk encryption.
SSLEnabledCipherSuitesThe cipher suite to be used in an SSL negotiation.
SSLEnabledProtocolsUsed to enable/disable the supported security protocols.
SSLEnableRenegotiationWhether the renegotiation_info SSL extension is supported.
SSLIncludeCertChainWhether the entire certificate chain is included in the SSLServerAuthentication event.
SSLKeyLogFileThe location of a file where per-session secrets are written for debugging purposes.
SSLNegotiatedCipherReturns the negotiated ciphersuite.
SSLNegotiatedCipherStrengthReturns the negotiated ciphersuite strength.
SSLNegotiatedCipherSuiteReturns the negotiated ciphersuite.
SSLNegotiatedKeyExchangeReturns the negotiated key exchange algorithm.
SSLNegotiatedKeyExchangeStrengthReturns the negotiated key exchange algorithm strength.
SSLNegotiatedProtocolReturns the negotiated protocol version.
SSLProviderThe name of the security provider to use.
SSLSecurityFlagsFlags that control certificate verification.
SSLServerCACertsA newline separated list of CA certificate to use during SSL server certificate validation.
TLS12SignatureAlgorithmsDefines the allowed TLS 1.2 signature algorithms when UseInternalSecurityAPI is True.
TLS12SupportedGroupsThe supported groups for ECC.
TLS13KeyShareGroupsThe groups for which to pregenerate key shares.
TLS13ProviderThe TLS 1.3 implementation to be used.
TLS13SignatureAlgorithmsThe allowed certificate signature algorithms.
TLS13SupportedGroupsThe supported groups for (EC)DHE key exchange.
AbsoluteTimeoutDetermines whether timeouts are inactivity timeouts or absolute timeouts.
FirewallDataUsed to send extra data to the firewall.
InBufferSizeThe size in bytes of the incoming queue of the socket.
OutBufferSizeThe size in bytes of the outgoing queue of the socket.
BuildInfoInformation about the product's build.
CodePageThe system code page used for Unicode to Multibyte translations.
LicenseInfoInformation about the current license.
ProcessIdleEventsWhether the class uses its internal event loop to process events when the main thread is idle.
SelectWaitMillisThe length of time in milliseconds the class will wait when DoEvents is called if there are no events to process.
UseInternalSecurityAPITells the class whether or not to use the system security libraries or an internal implementation.

accept_data Property

Enables or disables data reception from the server.

Syntax

def get_accept_data() -> bool: ...

def set_accept_data(value: bool) -> None: ...


accept_data = property(get_accept_data, set_accept_data)

Default Value

TRUE

Remarks

This property enables or disables data reception from the server. Setting the property to False, temporarily disables data reception. Setting the property to True, re-enables data reception.

Note: It is recommended to use the pause_data or process_data method instead of setting this property.

attr_count Property

The number of records in the Attr arrays.

Syntax

def get_attr_count() -> int: ...

def set_attr_count(value: int) -> None: ...


attr_count = property(get_attr_count, set_attr_count)

Default Value

0

Remarks

This property controls the size of the following arrays:

The array indices start at 0 and end at attr_count - 1.

attr_type Property

Attribute type for the current entry.

Syntax

def get_attr_type(attr_index: int) -> str: ...

def set_attr_type(attr_index: int, value: str) -> None: ...

Default Value

""

Remarks

Attribute type for the current entry.

If the value of attribute_type is an empty string, then attr_value that contains the corresponding value is part of a set of values, and the attribute type for the set is specified in the previous attribute of the properties with a non-empty attribute_type.

The attr_index parameter specifies the index of the item in the array. The size of the array is controlled by the attr_count property.

attr_mod_op Property

An operation to apply on attributes during an LDAP modify operation.

Syntax

def get_attr_mod_op(attr_index: int) -> int: ...

def set_attr_mod_op(attr_index: int, value: int) -> None: ...

Default Value

0

Remarks

An operation to apply on attributes during an LDAP modify operation.

Possible values include:

amoAdd (0)amoAdd will add the specified value to the given attribute, creating the attribute if it does not already exist.
amoDelete (1)amoDelete will delete the specified value from the given attribute. If all or none of the values are specified for the value, the entire attribute will be deleted; otherwise only the specific value(s) listed will be removed.
amoReplace (2)amoReplace will replace all existing values of the given attribute with the new values specified.

The attr_index parameter specifies the index of the item in the array. The size of the array is controlled by the attr_count property.

attr_value Property

Attribute value for the current entry.

Syntax

def get_attr_value(attr_index: int) -> bytes: ...

def set_attr_value(attr_index: int, value: bytes) -> None: ...

Default Value

""

Remarks

Attribute value for the current entry.

If the value is part of a set of values, the attribute_type that contains the corresponding attribute type is an empty string, and the attribute type for the set is specified in the previous attribute of the properties with a non-empty attribute_type.

The attr_index parameter specifies the index of the item in the array. The size of the array is controlled by the attr_count property.

auth_mechanism Property

The authentication mechanism to be used when connecting to the LDAP server.

Syntax

def get_auth_mechanism() -> int: ...

def set_auth_mechanism(value: int) -> None: ...


auth_mechanism = property(get_auth_mechanism, set_auth_mechanism)

Default Value

0

Remarks

This property specifies the authentication mechanism used. Possible values are:

0 (lamSimple - default) Plaintext authentication
1 (lamDigestMD5) DIGEST-MD5 authentication
2 (lamNegotiate) NTLM/Negotiate authentication
6 (lamKerbers) Kerberos authentication
7 (lamSASLExternal) TBD

connected Property

Shows whether the class is connected.

Syntax

def get_connected() -> bool: ...

def set_connected(value: bool) -> None: ...


connected = property(get_connected, set_connected)

Default Value

FALSE

Remarks

This property is used to determine whether or not the class is connected to the remote host.

Note: It is recommended to use the connect or disconnect method instead of setting this property.

delete_old_rdn Property

Controls whether the old RDN (Relative Distinguished Name) should be deleted.

Syntax

def get_delete_old_rdn() -> bool: ...

def set_delete_old_rdn(value: bool) -> None: ...


delete_old_rdn = property(get_delete_old_rdn, set_delete_old_rdn)

Default Value

TRUE

Remarks

This property controls whether the old Relative Distinguished Name (RDN) should be deleted. It is used when modify_rdn is called. The default value is True, which instructs the server to delete the old RDN.

dn Property

The Distinguished Name used as the base for LDAP operations.

Syntax

def get_dn() -> str: ...

def set_dn(value: str) -> None: ...


dn = property(get_dn, set_dn)

Default Value

""

Remarks

Also the base object during LDAP searches.

The Distinguished Name is provided in string format as specified by RFC 1779. Example (Setting DN)

LDAPControl.DN = "uid=TThompson,ou=Employees,dc=server" LDAPControl.DN = "Domain\Username"

firewall_auto_detect Property

This property tells the class whether or not to automatically detect and use firewall system settings, if available.

Syntax

def get_firewall_auto_detect() -> bool: ...

def set_firewall_auto_detect(value: bool) -> None: ...


firewall_auto_detect = property(get_firewall_auto_detect, set_firewall_auto_detect)

Default Value

FALSE

Remarks

This property tells the class whether or not to automatically detect and use firewall system settings, if available.

firewall_type Property

This property determines the type of firewall to connect through.

Syntax

def get_firewall_type() -> int: ...

def set_firewall_type(value: int) -> None: ...


firewall_type = property(get_firewall_type, set_firewall_type)

Default Value

0

Remarks

This property determines the type of firewall to connect through. The applicable values are the following:

fwNone (0)No firewall (default setting).
fwTunnel (1)Connect through a tunneling proxy. firewall_port is set to 80.
fwSOCKS4 (2)Connect through a SOCKS4 Proxy. firewall_port is set to 1080.
fwSOCKS5 (3)Connect through a SOCKS5 Proxy. firewall_port is set to 1080.
fwSOCKS4A (10)Connect through a SOCKS4A Proxy. firewall_port is set to 1080.

firewall_host Property

This property contains the name or IP address of firewall (optional).

Syntax

def get_firewall_host() -> str: ...

def set_firewall_host(value: str) -> None: ...


firewall_host = property(get_firewall_host, set_firewall_host)

Default Value

""

Remarks

This property contains the name or IP address of firewall (optional). If a firewall_host is given, the requested connections will be authenticated through the specified firewall when connecting.

If this property is set to a Domain Name, a DNS request is initiated. Upon successful termination of the request, this property is set to the corresponding address. If the search is not successful, the class fails with an error.

firewall_password Property

This property contains a password if authentication is to be used when connecting through the firewall.

Syntax

def get_firewall_password() -> str: ...

def set_firewall_password(value: str) -> None: ...


firewall_password = property(get_firewall_password, set_firewall_password)

Default Value

""

Remarks

This property contains a password if authentication is to be used when connecting through the firewall. If firewall_host is specified, the firewall_user and firewall_password properties are used to connect and authenticate to the given firewall. If the authentication fails, the class fails with an error.

firewall_port Property

This property contains the TCP port for the firewall Host .

Syntax

def get_firewall_port() -> int: ...

def set_firewall_port(value: int) -> None: ...


firewall_port = property(get_firewall_port, set_firewall_port)

Default Value

0

Remarks

This property contains the TCP port for the firewall firewall_host. See the description of the firewall_host property for details.

Note that this property is set automatically when firewall_type is set to a valid value. See the description of the firewall_type property for details.

firewall_user Property

This property contains a user name if authentication is to be used connecting through a firewall.

Syntax

def get_firewall_user() -> str: ...

def set_firewall_user(value: str) -> None: ...


firewall_user = property(get_firewall_user, set_firewall_user)

Default Value

""

Remarks

This property contains a user name if authentication is to be used connecting through a firewall. If the firewall_host is specified, this property and firewall_password properties are used to connect and authenticate to the given firewall. If the authentication fails, the class fails with an error.

idle Property

The current status of the class.

Syntax

def get_idle() -> bool: ...


idle = property(get_idle, None)

Default Value

TRUE

Remarks

idle will be False if the component is currently busy (communicating and/or waiting for an answer), and True at all other times.

This property is read-only.

ldap_version Property

The version of LDAP used.

Syntax

def get_ldap_version() -> int: ...

def set_ldap_version(value: int) -> None: ...


ldap_version = property(get_ldap_version, set_ldap_version)

Default Value

3

Remarks

This property contains the version of LDAP used. The default value is 3 (for LDAPv3).

local_host Property

The name of the local host or user-assigned IP interface through which connections are initiated or accepted.

Syntax

def get_local_host() -> str: ...

def set_local_host(value: str) -> None: ...


local_host = property(get_local_host, set_local_host)

Default Value

""

Remarks

The local_host property contains the name of the local host as obtained by the gethostname() system call, or if the user has assigned an IP address, the value of that address.

In multi-homed hosts (machines with more than one IP interface) setting LocalHost to the value of an interface will make the class initiate connections (or accept in the case of server classs) only through that interface.

If the class is connected, the local_host property shows the IP address of the interface through which the connection is made in internet dotted format (aaa.bbb.ccc.ddd). In most cases, this is the address of the local host, except for multi-homed hosts (machines with more than one IP interface).

NOTE: local_host is not persistent. You must always set it in code, and never in the property window.

message_id Property

The message identifier for the next LDAP request.

Syntax

def get_message_id() -> int: ...

def set_message_id(value: int) -> None: ...


message_id = property(get_message_id, set_message_id)

Default Value

1

Remarks

This property contains the message identifier for the next LDAP request. If a custom value is needed, this property must be set before calling any other methods. The class increments this property automatically after each request.

page_size Property

The maximum number of results per page for the Search method.

Syntax

def get_page_size() -> int: ...

def set_page_size(value: int) -> None: ...


page_size = property(get_page_size, set_page_size)

Default Value

0

Remarks

This property contains the maximum number of results per page for the search method. The default value is 0 (no paging). If set to a value greater than zero, results will be paged, i.e. returned in blocks of maximum page_size results.

For each page sent by the server, a on_search_page event will fire. you may decide to cancel or continue displaying results from within this event.

Note: LDAP paging functionality is described by LDAP extension RFCs and may or may not be implemented by the LDAP server being accessed.

password Property

The password used to authenticate to the LDAP server.

Syntax

def get_password() -> str: ...

def set_password(value: str) -> None: ...


password = property(get_password, set_password)

Default Value

""

Remarks

This property contains the password used to authenticate to the LDAP server. Leave this value empty if no password is required.

reference_count Property

The number of records in the Reference arrays.

Syntax

def get_reference_count() -> int: ...


reference_count = property(get_reference_count, None)

Default Value

0

Remarks

This property controls the size of the following arrays:

The array indices start at 0 and end at reference_count - 1.

This property is read-only.

reference_url Property

The url of the LDAP reference.

Syntax

def get_reference_url(reference_index: int) -> str: ...

Default Value

""

Remarks

The url of the LDAP reference. If inside a on_search_result or on_search_result_reference event, it represents a URL to contact to continue the search. If inside the on_result event or on_search_complete event it represents the URL to contact in order to complete the requested operation.

The reference_index parameter specifies the index of the item in the array. The size of the array is controlled by the reference_count property.

This property is read-only.

result_code Property

The result code returned in the last server response.

Syntax

def get_result_code() -> int: ...


result_code = property(get_result_code, None)

Default Value

0

Remarks

This property contains the result code returned in the last server response. This is identical to the corresponding parameter provided by the last on_result, on_search_result, or on_search_complete event.

Possible result codes are:

0 success
1 operationsError
2 protocolError
3 timeLimitExceeded
4 sizeLimitExceeded
5 compareFalse
6 compareTrue
7 authMethodNotSupported
8 strongAuthRequired
9 reserved
10 referral
11 adminLimitExceeded
12 unavailableCriticalExtension
13 confidentialityRequired
14 saslBindInProgress
16 noSuchAttribute
17 undefinedAttributeType
18 inappropriateMatching
19 constraintViolation
20 attributeOrValueExists
21 invalidAttributeSyntax
32 noSuchObject
33 aliasProblem
34 invalidDNSyntax
35 reserved for undefined isLeaf
36 aliasDereferencingProblem
48 inappropriateAuthentication
49 invalidCredentials
50 insufficientAccessRights
51 busy
52 unavailable
53 unwillingToPerform
54 loopDetect
64 namingViolation
65 objectClassViolation
66 notAllowedOnNonLeaf
67 notAllowedOnRDN
68 entryAlreadyExists
69 objectClassModsProhibited
70 reserved for CLDAP
71 affectsMultipleDSAs

All the result codes with the exception of success, compareFalse and compareTrue are to be treated as meaning the operation could not be completed in its entirety. Result codes from 16 to 21 indicate an AttributeProblem, codes 32, 33, 34 and 36 indicate a NameProblem, codes 48, 49 and 50 indicate a SecurityProblem, codes 51 to 54 indicate a ServiceProblem, and codes 64 to 69 and 71 indicate an UpdateProblem.

This property is read-only.

result_description Property

The descriptive text returned in the last server response (if any).

Syntax

def get_result_description() -> str: ...


result_description = property(get_result_description, None)

Default Value

""

Remarks

This property contains the descriptive text returned in the last server response (if any). This is identical to the corresponding parameter provided by the last on_result, on_search_result, or on_search_complete event.

This property is read-only.

result_dn Property

The Distinguished Name returned in the last server response (if any).

Syntax

def get_result_dn() -> str: ...


result_dn = property(get_result_dn, None)

Default Value

""

Remarks

This property contains the Distinguished Name returned in the last server response (if any). This is identical to the corresponding parameter provided by the last on_result, or on_search_complete event.

This property is read-only.

search_deref_aliases Property

Controls alias dereferencing during searching.

Syntax

def get_search_deref_aliases() -> int: ...

def set_search_deref_aliases(value: int) -> None: ...


search_deref_aliases = property(get_search_deref_aliases, set_search_deref_aliases)

Default Value

0

Remarks

This property controls the alias dereferencing during searching. Possible values are:

sdaNever (0) Do not dereference aliases in searching or in locating the base object of the search.
sdaInSearching (1) Dereference aliases in subordinates of the base object in searching, but not in locating the base object of the search.
sdaFindingBaseObject (2) Dereference aliases in locating the base object of the search, but not when searching subordinates of the base object.
sdaAlways (3) Dereference aliases both in searching and in locating the base object of the search.

Default is to never dereference aliases.

search_return_values Property

Controls whether the search operation returns values of attributes, or only types.

Syntax

def get_search_return_values() -> bool: ...

def set_search_return_values(value: bool) -> None: ...


search_return_values = property(get_search_return_values, set_search_return_values)

Default Value

TRUE

Remarks

This property controls whether the search operation returns values of attributes, or only types. If only attributes are needed, disabling returning of values will enhance performance.

search_scope Property

Controls the scope of LDAP search operations.

Syntax

def get_search_scope() -> int: ...

def set_search_scope(value: int) -> None: ...


search_scope = property(get_search_scope, set_search_scope)

Default Value

2

Remarks

This property controls the scope of LDAP search operations. Possible values are:

ssBaseObject (0) Search only the base object.
ssSingleLevel (1) Search only one level, including objects directly below the base object, but not the base object itself.
ssWholeSubtree (2) Search the whole subtree, including the base object itself.

Default is to search the whole subtree.

search_size_limit Property

Maximum number of entries that can be returned by the next search operation.

Syntax

def get_search_size_limit() -> int: ...

def set_search_size_limit(value: int) -> None: ...


search_size_limit = property(get_search_size_limit, set_search_size_limit)

Default Value

0

Remarks

This property contains the maximum number of entries that can be returned by the next search operation. This limit is provided as a hint to the directory server. A value of 0 means that no size limits are in effect for the search.

search_time_limit Property

A time limit for the next search operation (in seconds).

Syntax

def get_search_time_limit() -> int: ...

def set_search_time_limit(value: int) -> None: ...


search_time_limit = property(get_search_time_limit, set_search_time_limit)

Default Value

0

Remarks

This property contains a time limit for the next search operation (in seconds). This limit is provided as a hint to the directory server. A value of 0 means that no time limits are in effect for the search.

server_name Property

The name or address of the LDAP server.

Syntax

def get_server_name() -> str: ...

def set_server_name(value: str) -> None: ...


server_name = property(get_server_name, set_server_name)

Default Value

""

Remarks

This property specifies the IP address (IP number in dotted internet format) or Domain Name of the directory server. It is set before a connection is attempted and cannot be changed once a connection is in progress.

If this property is set to a Domain Name, a DNS request is initiated and upon successful termination of the request, this property is set to the corresponding address. If the search is not successful, an error is returned.

server_port Property

The server port for the LDAP connection (default is 389).

Syntax

def get_server_port() -> int: ...

def set_server_port(value: int) -> None: ...


server_port = property(get_server_port, set_server_port)

Default Value

389

Remarks

This property contains the server port for the LDAP connection (default is 389).

For implicit SSL, use port 636 (please refer to the ssl_start_mode property for more information).

A valid port number (a value between 1 and 65535) is required for the connection to take place. The property must be set before a connection is attempted and cannot be changed once a connection is established. Any attempt to change this property while connected will fail with an error.

sort_attributes Property

A string of attribute names to sort on with optional relative matching rules.

Syntax

def get_sort_attributes() -> str: ...

def set_sort_attributes(value: str) -> None: ...


sort_attributes = property(get_sort_attributes, set_sort_attributes)

Default Value

""

Remarks

This property contains a string of attribute names to sort on with optional relative matching rules. When set prior to a search, entries returned by the server will be sorted according to sort_attributes. The format consists of one or more attribute names separated by spaces. Each attribute may be followed by an optional matching rule.

If matching rules are defined, they should be separated from the attribute names with a "/".

Normally the values are returned in ascending order. If descending (reverse) order of sorting is desired, the attribute type must be preceded with a "-".

Examples:

LDAPControl.SortAttributes = "loginTime" LDAPControl.SortAttributes = "name/caseIgnoreSubstringsMatch age/numericStringSubstringsMatch" LDAPControl.SortAttributes = "cn age/1.3.6.1.4.1.1466.115.121.1.27" LDAPControl.SortAttributes = "-cn age/1.3.6.1.4.1.1466.115.121.1.27" Matching Rules for Equality Filters

1.3.6.1.4.1.1466.115.121.1.38objectIdentifierMatch
1.3.6.1.4.1.1466.115.121.1.12distinguishedNameMatch
1.3.6.1.4.1.1466.115.121.1.15caseIgnoreMatch
1.3.6.1.4.1.1466.115.121.1.36numericStringMatch
1.3.6.1.4.1.1466.115.121.1.41caseIgnoreListMatch
1.3.6.1.4.1.1466.115.121.1.27integerMatch
1.3.6.1.4.1.1466.115.121.1.6bitStringMatch
1.3.6.1.4.1.1466.115.121.1.50telephoneNumberMatch
1.3.6.1.4.1.1466.115.121.1.43presentationAddressMatch
1.3.6.1.4.1.1466.115.121.1.34uniqueMemberMatch
1.3.6.1.4.1.1466.115.121.1.42protocolInformationMatch
1.3.6.1.4.1.1466.115.121.1.24generalizedTimeMatch
1.3.6.1.4.1.1466.115.121.1.26caseExactIA5Match
1.3.6.1.4.1.1466.115.121.1.26caseIgnoreIA5Match

Matching Rules for Inequality Filters

1.3.6.1.4.1.1466.115.121.1.24 generalizedTimeOrderingMatch
1.3.6.1.4.1.1466.115.121.1.15 caseIgnoreOrderingMatch

Matching Rules for Substring Filters

1.3.6.1.4.1.1466.115.121.1.58 caseIgnoreSubstringsMatch
1.3.6.1.4.1.1466.115.121.1.58 telephoneNumberSubstringsMatch
1.3.6.1.4.1.1466.115.121.1.58 numericStringSubstringsMatch

Matching Rules for Subschema Attributes

1.3.6.1.4.1.1466.115.121.1.27integerFirstComponentMatch
1.3.6.1.4.1.1466.115.121.1.38objectIdentifierFirstComponentMatch

ssl_accept_server_cert_encoded Property

This is the certificate (PEM/base64 encoded).

Syntax

def get_ssl_accept_server_cert_encoded() -> bytes: ...

def set_ssl_accept_server_cert_encoded(value: bytes) -> None: ...


ssl_accept_server_cert_encoded = property(get_ssl_accept_server_cert_encoded, set_ssl_accept_server_cert_encoded)

Default Value

""

Remarks

This is the certificate (PEM/base64 encoded). This property is used to assign a specific certificate. The ssl_accept_server_cert_store and ssl_accept_server_cert_subject properties also may be used to specify a certificate.

When ssl_accept_server_cert_encoded is set, a search is initiated in the current ssl_accept_server_cert_store for the private key of the certificate. If the key is found, ssl_accept_server_cert_subject is updated to reflect the full subject of the selected certificate; otherwise, ssl_accept_server_cert_subject is set to an empty string.

ssl_cert_encoded Property

This is the certificate (PEM/base64 encoded).

Syntax

def get_ssl_cert_encoded() -> bytes: ...

def set_ssl_cert_encoded(value: bytes) -> None: ...


ssl_cert_encoded = property(get_ssl_cert_encoded, set_ssl_cert_encoded)

Default Value

""

Remarks

This is the certificate (PEM/base64 encoded). This property is used to assign a specific certificate. The ssl_cert_store and ssl_cert_subject properties also may be used to specify a certificate.

When ssl_cert_encoded is set, a search is initiated in the current ssl_cert_store for the private key of the certificate. If the key is found, ssl_cert_subject is updated to reflect the full subject of the selected certificate; otherwise, ssl_cert_subject is set to an empty string.

ssl_cert_store Property

This is the name of the certificate store for the client certificate.

Syntax

def get_ssl_cert_store() -> bytes: ...

def set_ssl_cert_store(value: bytes) -> None: ...


ssl_cert_store = property(get_ssl_cert_store, set_ssl_cert_store)

Default Value

"MY"

Remarks

This is the name of the certificate store for the client certificate.

The ssl_cert_store_type property denotes the type of the certificate store specified by ssl_cert_store. If the store is password protected, specify the password in ssl_cert_store_password.

ssl_cert_store is used in conjunction with the ssl_cert_subject property to specify client certificates. If ssl_cert_store has a value, and ssl_cert_subject or ssl_cert_encoded is set, a search for a certificate is initiated. Please see the ssl_cert_subject property for details.

Designations of certificate stores are platform-dependent.

The following are designations of the most common User and Machine certificate stores in Windows:

MYA certificate store holding personal certificates with their associated private keys.
CACertifying authority certificates.
ROOTRoot certificates.

When the certificate store type is PFXFile, this property must be set to the name of the file. When the type is PFXBlob, the property must be set to the binary contents of a PFX file (i.e. PKCS12 certificate store).

ssl_cert_store_password Property

If the type of certificate store requires a password, this property is used to specify the password needed to open the certificate store.

Syntax

def get_ssl_cert_store_password() -> str: ...

def set_ssl_cert_store_password(value: str) -> None: ...


ssl_cert_store_password = property(get_ssl_cert_store_password, set_ssl_cert_store_password)

Default Value

""

Remarks

If the type of certificate store requires a password, this property is used to specify the password needed to open the certificate store.

ssl_cert_store_type Property

This is the type of certificate store for this certificate.

Syntax

def get_ssl_cert_store_type() -> int: ...

def set_ssl_cert_store_type(value: int) -> None: ...


ssl_cert_store_type = property(get_ssl_cert_store_type, set_ssl_cert_store_type)

Default Value

0

Remarks

This is the type of certificate store for this certificate.

The class supports both public and private keys in a variety of formats. When the cstAuto value is used the class will automatically determine the type. This property can take one of the following values:

0 (cstUser - default)For Windows, this specifies that the certificate store is a certificate store owned by the current user. Note: this store type is not available in Java.
1 (cstMachine)For Windows, this specifies that the certificate store is a machine store. Note: this store type is not available in Java.
2 (cstPFXFile)The certificate store is the name of a PFX (PKCS12) file containing certificates.
3 (cstPFXBlob)The certificate store is a string (binary or base64-encoded) representing a certificate store in PFX (PKCS12) format.
4 (cstJKSFile)The certificate store is the name of a Java Key Store (JKS) file containing certificates. Note: this store type is only available in Java.
5 (cstJKSBlob)The certificate store is a string (binary or base64-encoded) representing a certificate store in Java Key Store (JKS) format. Note: this store type is only available in Java.
6 (cstPEMKeyFile)The certificate store is the name of a PEM-encoded file that contains a private key and an optional certificate.
7 (cstPEMKeyBlob)The certificate store is a string (binary or base64-encoded) that contains a private key and an optional certificate.
8 (cstPublicKeyFile)The certificate store is the name of a file that contains a PEM- or DER-encoded public key certificate.
9 (cstPublicKeyBlob)The certificate store is a string (binary or base64-encoded) that contains a PEM- or DER-encoded public key certificate.
10 (cstSSHPublicKeyBlob)The certificate store is a string (binary or base64-encoded) that contains an SSH-style public key.
11 (cstP7BFile)The certificate store is the name of a PKCS7 file containing certificates.
12 (cstP7BBlob)The certificate store is a string (binary) representing a certificate store in PKCS7 format.
13 (cstSSHPublicKeyFile)The certificate store is the name of a file that contains an SSH-style public key.
14 (cstPPKFile)The certificate store is the name of a file that contains a PPK (PuTTY Private Key).
15 (cstPPKBlob)The certificate store is a string (binary) that contains a PPK (PuTTY Private Key).
16 (cstXMLFile)The certificate store is the name of a file that contains a certificate in XML format.
17 (cstXMLBlob)The certificate store is a string that contains a certificate in XML format.
18 (cstJWKFile)The certificate store is the name of a file that contains a JWK (JSON Web Key).
19 (cstJWKBlob)The certificate store is a string that contains a JWK (JSON Web Key).
20 (cstSecurityKey)The certificate is present on a physical security key accessible via a PKCS11 interface.

To use a security key the necessary data must first be collected using the CertMgr class. The list_store_certificates method may be called after setting cert_store_type to cstSecurityKey, cert_store_password to the PIN, and cert_store to the full path of the PKCS11 dll. The certificate information returned in the on_cert_list event's CertEncoded parameter may be saved for later use.

When using a certificate, pass the previously saved security key information as the ssl_cert_store and set ssl_cert_store_password to the PIN.

Code Example: SSH Authentication with Security Key certmgr.CertStoreType = CertStoreTypes.cstSecurityKey; certmgr.OnCertList += (s, e) => { secKeyBlob = e.CertEncoded; }; certmgr.CertStore = @"C:\Program Files\OpenSC Project\OpenSC\pkcs11\opensc-pkcs11.dll"; certmgr.CertStorePassword = "123456"; //PIN certmgr.ListStoreCertificates(); sftp.SSHCert = new Certificate(CertStoreTypes.cstSecurityKey, secKeyBlob, "123456", "*"); sftp.SSHUser = "test"; sftp.SSHLogon("myhost", 22);

21 (cstBCFKSFile)The certificate store is the name of a file that contains a BCFKS (Bouncy Castle FIPS Key Store). Note: this store type is only available in Java and .NET.
22 (cstBCFKSBlob)The certificate store is a string (binary or base64-encoded) representing a certificate store in BCFKS (Bouncy Castle FIPS Key Store) format. Note: this store type is only available in Java and .NET.
99 (cstAuto)The store type is automatically detected from the input data. This setting may be used with both public and private keys and can detect any of the supported formats automatically.

ssl_cert_subject Property

This is the subject of the certificate used for client authentication.

Syntax

def get_ssl_cert_subject() -> str: ...

def set_ssl_cert_subject(value: str) -> None: ...


ssl_cert_subject = property(get_ssl_cert_subject, set_ssl_cert_subject)

Default Value

""

Remarks

This is the subject of the certificate used for client authentication.

This property must be set after all other certificate properites are set. When this property is set, a search is performed in the current certificate store certificate with matching subject.

If a matching certificate is found, the property is set to the full subject of the matching certificate.

If an exact match is not found, the store is searched for subjects containing the value of the property.

If a match is still not found, the property is set to an empty string, and no certificate is selected.

The special value "*" picks a random certificate in the certificate store.

The certificate subject is a comma separated list of distinguished name fields and values. For instance "CN=www.server.com, OU=test, C=US, E=support@nsoftware.com". Common fields and their meanings are displayed below.

FieldMeaning
CNCommon Name. This is commonly a host name like www.server.com.
OOrganization
OUOrganizational Unit
LLocality
SState
CCountry
EEmail Address

If a field value contains a comma it must be quoted.

ssl_enabled Property

Whether TLS/SSL is enabled.

Syntax

def get_ssl_enabled() -> bool: ...

def set_ssl_enabled(value: bool) -> None: ...


ssl_enabled = property(get_ssl_enabled, set_ssl_enabled)

Default Value

FALSE

Remarks

This setting specifies whether TLS/SSL is enabled in the class. When False (default) the class operates in plaintext mode. When True TLS/SSL is enabled.

TLS/SSL may also be enabled by setting ssl_start_mode. Setting ssl_start_mode will automatically update this property value.

ssl_provider Property

TBD.

Syntax

def get_ssl_provider() -> int: ...

def set_ssl_provider(value: int) -> None: ...


ssl_provider = property(get_ssl_provider, set_ssl_provider)

Default Value

0

Remarks

TBD.

ssl_server_cert_encoded Property

This is the certificate (PEM/base64 encoded).

Syntax

def get_ssl_server_cert_encoded() -> bytes: ...


ssl_server_cert_encoded = property(get_ssl_server_cert_encoded, None)

Default Value

""

Remarks

This is the certificate (PEM/base64 encoded). This property is used to assign a specific certificate. The ssl_server_cert_store and ssl_server_cert_subject properties also may be used to specify a certificate.

When ssl_server_cert_encoded is set, a search is initiated in the current ssl_server_cert_store for the private key of the certificate. If the key is found, ssl_server_cert_subject is updated to reflect the full subject of the selected certificate; otherwise, ssl_server_cert_subject is set to an empty string.

This property is read-only.

ssl_start_mode Property

Determines how the class starts the SSL negotiation.

Syntax

def get_ssl_start_mode() -> int: ...

def set_ssl_start_mode(value: int) -> None: ...


ssl_start_mode = property(get_ssl_start_mode, set_ssl_start_mode)

Default Value

3

Remarks

The ssl_start_mode property may have one of the following values:

0 (sslAutomatic)If the remote port is set to the standard plaintext port of the protocol (where applicable), the class will behave the same as if ssl_start_mode is set to sslExplicit. In all other cases, SSL negotiation will be implicit (sslImplicit).
1 (sslImplicit)The SSL negotiation will start immediately after the connection is established.
2 (sslExplicit)The class will first connect in plaintext, and then explicitly start SSL negotiation through a protocol command such as STARTTLS.
3 (sslNone - default)No SSL negotiation, no SSL security. All communication will be in plaintext mode.

timeout Property

A timeout for the class.

Syntax

def get_timeout() -> int: ...

def set_timeout(value: int) -> None: ...


timeout = property(get_timeout, set_timeout)

Default Value

60

Remarks

If the timeout property is set to 0, all operations return immediately, potentially failing with a WOULDBLOCK error if data cannot be sent immediately.

If timeout is set to a positive value, data is sent in a blocking manner and the class will wait for the operation to complete before returning control. The class will handle any potential WOULDBLOCK errors internally and automatically retry the operation for a maximum of timeout seconds.

The class will use do_events to enter an efficient wait loop during any potential waiting period, making sure that all system events are processed immediately as they arrive. This ensures that the host application does not "freeze" and remains responsive.

If timeout expires, and the operation is not yet complete, the class fails with an error.

Please note that by default, all timeouts are inactivity timeouts, i.e. the timeout period is extended by timeout seconds when any amount of data is successfully sent or received.

The default value for the timeout property is 60 seconds.

abandon Method

Asks the server to abandon a request.

Syntax

def abandon(message_id: int) -> None: ...

Remarks

This method asks the server to abandon the request specified by MessageId. The result of the operation is returned via the on_result event.

add Method

Adds an entry specified by DN to the directory server using the type and value attributes defined in the Attributes properties.

Syntax

def add() -> None: ...

Remarks

This method adds the entry specified by dn to the directory. All Entries are required to have an objectClass attribute.

In order to add a new entry, first bind with credentials that will allow you to perform the new addition. To add attributes instead of entries, use the modify method instead. When specifying multi-valued attributes, specify the attribute type only in the first occurrence of that attribute type in the attributes properties. Additional occurrences of the same attribute type should specify an attribute type of empty string.

The result of the operation is returned via the on_result event.

Example (Add a New Entry, including the multi-valued objectClass attribute)

LDAPControl.DN = "uid=NewUser,ou=Employees,dc=server" LDAPControl.AttributeCount = 7 LDAPControl.AttributeType(0) = "objectClass" LDAPControl.AttributeValue(0) = "top" LDAPControl.AttributeType(1) = "" LDAPControl.AttributeValue(1) = "person" LDAPControl.AttributeType(2) = "" LDAPControl.AttributeValue(2) = "organizationalPerson" LDAPControl.AttributeType(3) = "" LDAPControl.AttributeValue(3) = "inetOrgPerson" LDAPControl.AttributeType(4) = "sn" LDAPControl.AttributeValue(4) = "UserName" LDAPControl.AttributeType(5) = "cn" LDAPControl.AttributeValue(5) = "New S. UserName" LDAPControl.AttributeType(6) = "uid" LDAPControl.AttributeValue(6) = "NewUser" LDAPControl.Add()

attr Method

Returns the value of the specified LDAP attribute.

Syntax

def attr(attr_type: str) -> str: ...

Remarks

This method returns the value of the specified LDAP attribute. If the attribute does not exist, an empty string is returned.

Please refer to the attributes properties for more information.

bind Method

Connects and binds to the directory server.

Syntax

def bind() -> None: ...

Remarks

This method connects and binds to the directory server. If the password property has a value, it is used for authentication. If not, the Bind is performed anonymously. Binding is often required on some directory servers like Active Directory. The result of the operation is returned via the on_result event.

Example (Binding)

LDAPControl.DN = "uid=TThompson,ou=Employees,dc=server" LDAPControl.Password = "mypassword" LDAPControl.Bind() LDAPControl.DN = "Domain/Username" LDAPControl.Password = "mypassword" LDAPControl.Bind()

change_password Method

Changes the password for the specified user.

Syntax

def change_password(user: str, old_password: str, new_password: str) -> None: ...

Remarks

This method changes the password for the specified user.

The User parameter is the name of the user for which the password will be changed. OldPassword specifies the current paswsword and NewPassword specifies the new password.

Note: This operation can only be performed over the SSL Port. Set server_port to the SSL port of the server (typically 636) before calling this method.

Note: If the user is an administrator the old password is not required.

compare Method

Compares attributes and values with those of the entry specified by DN .

Syntax

def compare() -> None: ...

Remarks

This method compares attributes types and values specified via the attributes properties, with the values in the directory for the entry specified by dn. The result of the operation is returned via the on_result event.

config Method

Sets or retrieves a configuration setting.

Syntax

def config(configuration_string: str) -> str: ...

Remarks

on_config is a generic method available in every class. It is used to set and retrieve configuration settings for the class.

These settings are similar in functionality to properties, but they are rarely used. In order to avoid "polluting" the property namespace of the class, access to these internal properties is provided through the on_config method.

To set a configuration setting named PROPERTY, you must call Config("PROPERTY=VALUE"), where VALUE is the value of the setting expressed as a string. For boolean values, use the strings "True", "False", "0", "1", "Yes", or "No" (case does not matter).

To read (query) the value of a configuration setting, you must call Config("PROPERTY"). The value will be returned as a string.

connect Method

Connets to the remote host without performing any action.

Syntax

def connect() -> None: ...

Remarks

This method establishes a connection with the remote host specified by url but does not send a request. In most cases it is recommended to use the appropriate method such as get or post which will both establish a connection and send a request.

This method may be useful in cases where it is desirable to establish a connection without performing any operatin, for instance testing connectivity.

delete Method

Deletes an entry specified by DN from the directory server.

Syntax

def delete() -> None: ...

Remarks

This method deletes the entry specified by dn from the directory. The result of the operation is returned via the on_result event.

do_events Method

Processes events from the internal message queue.

Syntax

def do_events() -> None: ...

Remarks

When on_do_events is called, the class processes any available events. If no events are available, it waits for a preset period of time, and then returns.

extended_request Method

Performs an LDAP V3 Extended Operation.

Syntax

def extended_request(request_name: str, request_value: bytes) -> None: ...

Remarks

This method performs an LDAP V3 Extended Operation. RequestName must contain the OID of the operation, and RequestValue may contain an optional value.

interrupt Method

Interrupt the current method.

Syntax

def interrupt() -> None: ...

Remarks

If there is no method in progress, on_interrupt simply returns, doing nothing.

list_computers Method

Lists all computers in the directory.

Syntax

def list_computers() -> None: ...

Remarks

This method lists all computers in the directory. The on_computer_list event will be fired once for each computer returned.

list_group_members Method

List all members of a group.

Syntax

def list_group_members(group: str) -> None: ...

Remarks

This method lists all members of the specified group. The on_user_list event will be fired once for each member returned.

list_groups Method

List all groups in the directory.

Syntax

def list_groups() -> None: ...

Remarks

This method lists all groups in the directory. The on_group_list event will be fired once for each group returned.

list_user_groups Method

Lists all groups a user is a part of.

Syntax

def list_user_groups(user: str) -> None: ...

Remarks

This method lists all groups that the user specified by user is a part of. The on_group_list event will fire once for each group the user is a part of.

modify Method

Performs an LDAP 'modify' operation on the entry specified by DN .

Syntax

def modify() -> None: ...

Remarks

This method performs an LDAP 'modify' operation on the entry specified by dn. The attribute(s) to modify should be set via the attributes properties. When specifying multi-valued attributes, specify the attribute type only in the first occurrence of that attribute type in the attributes properties. Additional occurrences of the same attribute type should specify an attribute type of empty string.

The modification can be a replacement, an addition, or a deletion, depending on the ModOp field of the attribute;. The result of the operation is returned via the on_result event.

Example (Modify an Entry - Replace an Attribute Value)

LDAPControl.DN = "uid=TThompson,ou=Employees,dc=server" LDAPControl.AttributeCount = 2 LDAPControl.AttributeType(0) = "url" LDAPControl.AttributeValue(0) = "www.url1.net" LDAPControl.AttributeModOp(0) = amoReplace LDAPControl.AttributeType(0) = "" LDAPControl.AttributeValue(0) = "www.url2.net" LDAPControl.AttributeModOp(0) = amoReplace LDAPControl.Modify()

modify_rdn Method

Performs an LDAP 'modify RDN' operation an entry specified by DN .

Syntax

def modify_rdn(new_rdn: str) -> None: ...

Remarks

This method performs an LDAP 'modify RDN' operation on the entry specified by dn.

NewRDN is the new RDN for the entry specified by dn

The result of the operation is returned via the on_result event.

move_to_dn Method

Performs an LDAP 'modify' operation on the entry specified by DN by changing its superior.

Syntax

def move_to_dn(new_superior: str) -> None: ...

Remarks

This method performs an LDAP 'modify' operation on the entry specified by dn by changing its superior. None of the entry's attributes will change. delete_old_rdn property will be set to true to delete the old entry. The result of the operation is returned via the on_result event.

pause_data Method

Pauses data reception.

Syntax

def pause_data() -> None: ...

Remarks

This method pauses data reception when called. While data reception is paused incoming data will not be processed and events will not fire. Call process_data to re-enable data reception.

process_data Method

Re-enables data reception after a call to PauseData .

Syntax

def process_data() -> None: ...

Remarks

This method re-enables data reception after a previous call to pause_data. To re-enable data reception and allow on_ip_packet to fire call this method.

Note: This method is only used after previously calling pause_data. It does not need to be called to process data by default.

reset Method

Reset the class.

Syntax

def reset() -> None: ...

Remarks

This method will reset the class's properties to their default values.

search Method

Searches the directory server using the base object specified in DN and the search filter SearchFilter .

Syntax

def search(search_filter: str) -> None: ...

Remarks

This method searches the directory server using the base object specified in the dn and the search filter specified in the SearchFilter parameter. Additional search parameters are specified through the search_scope, search_deref_aliases, search_size_limit, search_time_limit, and search_return_values properties.

If attributes are specified before starting a search, the server will only return results that contain a value for the specified attributes.

Results are returned through zero or more on_search_result events, after which a on_search_complete event is fired.

Example (Searching for a User)

LDAPControl.DN = "ou=Employees,dc=server" LDAPControl.Search("uid=TThompson")

A DSE Search (Directory Specific Entries) will search for attributes of the server itself. Example (DSE Search)

LDAPControl.DN = "" LDAPControl.SearchScope = 0 LDAPControl.Search("objectClass=*")

SearchFilter is a string representation of the LDAP search filter used for the search.

The format of the search filter is specified by RFC 1558 and is identical to the format used by most LDAP applications.

The following are examples of search filters, as provided in the RFC:

     (cn=Babs Jensen)
     (!(cn=Tim Howes))
     (&(objectClass=Person)(|(sn=Jensen)(cn=Babs J*)))
     (o=univ*of*mich*)

The complete specification is given by the following BNF:

     <filter> ::= "(" <filtercomp> ")"
     <filtercomp> ::= <and> | <or> | <not> | <item>
     <and> ::= "&" <filterlist>
     <or> ::= "|" <filterlist>
     <not> ::= "!" <filter>
     <filterlist> ::= <filter> | <filter> <filterlist>
     <item> ::= <simple> | <present> | <substring>
     <simple> ::= <attr> <filtertype> <value>
     <filtertype> ::= <equal> | <approx> | <greater> | <less>
     <equal> ::= "="
     <approx> ::= "~="
     <greater> ::= ">="
     <less> ::= "<="
     <present> ::= <attr> "=*"
     <substring> ::= <attr> "=" <initial> <any> <final>
     <initial> ::= NULL | <value>
     <any> ::= "*" <starval>
     <starval> ::= NULL | <value> "*" <starval>
     <final> ::= NULL | <value>

<attr> is a string representing an attribute type as defined in RFC 1777. <value> is a string representing an attribute value, or part of one, and has the form defined in RFC 1779. If a <value> must contain one of the characters '*' or '(' or ')', these should be escaped by preceding them with the backslash '\' character.

unbind Method

Unbinds from the directory server.

Syntax

def unbind() -> None: ...

Remarks

This method unbinds from the directory server and breaks the connection.

on_computer_list Event

Fired for each computer entry returned.

Syntax

class LDAPComputerListEventParams(object):
  @property
  def name() -> str: ...

  @property
  def operating_system() -> str: ...

  @property
  def last_logon() -> str: ...

  @property
  def logon_count() -> int: ...

  @property
  def dn() -> str: ...

# In class LDAP:
@property
def on_computer_list() -> Callable[[LDAPComputerListEventParams], None]: ...
@on_computer_list.setter
def on_computer_list(event_hook: Callable[[LDAPComputerListEventParams], None]) -> None: ...

Remarks

This event is fired once for each computer returned when the list_computers method is called.

on_connected Event

Fired immediately after a connection completes (or fails).

Syntax

class LDAPConnectedEventParams(object):
  @property
  def status_code() -> int: ...

  @property
  def description() -> str: ...

# In class LDAP:
@property
def on_connected() -> Callable[[LDAPConnectedEventParams], None]: ...
@on_connected.setter
def on_connected(event_hook: Callable[[LDAPConnectedEventParams], None]) -> None: ...

Remarks

If the connection is made normally, StatusCode is 0 and Description is "OK".

If the connection fails, StatusCode has the error code returned by the TCP/IP stack. Description contains a description of this code. The value of StatusCode is equal to the value of the error.

Please refer to the Error Codes section for more information.

on_connection_status Event

Fired to indicate changes in connection state.

Syntax

class LDAPConnectionStatusEventParams(object):
  @property
  def connection_event() -> str: ...

  @property
  def status_code() -> int: ...

  @property
  def description() -> str: ...

# In class LDAP:
@property
def on_connection_status() -> Callable[[LDAPConnectionStatusEventParams], None]: ...
@on_connection_status.setter
def on_connection_status(event_hook: Callable[[LDAPConnectionStatusEventParams], None]) -> None: ...

Remarks

The on_connection_status event is fired when the connection state changes: completion of a firewall or proxy connection, completion of a security handshake, etc.

The ConnectionEvent parameter indicates the type of connection event. Values may include:

Firewall connection complete.
SSL or S/Shell handshake complete (where applicable).
Remote host connection complete.
Remote host disconnected.
SSL or S/Shell connection broken.
Firewall host disconnected.

StatusCode has the error code returned by the TCP/IP stack. Description contains a description of this code. The value of StatusCode is equal to the value of the error.

on_disconnected Event

Fired when a connection is closed.

Syntax

class LDAPDisconnectedEventParams(object):
  @property
  def status_code() -> int: ...

  @property
  def description() -> str: ...

# In class LDAP:
@property
def on_disconnected() -> Callable[[LDAPDisconnectedEventParams], None]: ...
@on_disconnected.setter
def on_disconnected(event_hook: Callable[[LDAPDisconnectedEventParams], None]) -> None: ...

Remarks

If the connection is broken normally, StatusCode is 0 and Description is "OK".

If the connection is broken for any other reason, StatusCode has the error code returned by the TCP/IP subsystem. Description contains a description of this code. The value of StatusCode is equal to the value of the TCP/IP error.

Please refer to the Error Codes section for more information.

on_error Event

Information about errors during data delivery.

Syntax

class LDAPErrorEventParams(object):
  @property
  def error_code() -> int: ...

  @property
  def description() -> str: ...

# In class LDAP:
@property
def on_error() -> Callable[[LDAPErrorEventParams], None]: ...
@on_error.setter
def on_error(event_hook: Callable[[LDAPErrorEventParams], None]) -> None: ...

Remarks

The on_error event is fired in case of exceptional conditions during message processing. Normally the class fails with an error.

ErrorCode contains an error code and Description contains a textual description of the error. For a list of valid error codes and their descriptions, please refer to the Error Codes section.

on_extended_response Event

Fired for LDAP V3 Extended Responses.

Syntax

class LDAPExtendedResponseEventParams(object):
  @property
  def message_id() -> int: ...

  @property
  def dn() -> str: ...

  @property
  def result_code() -> int: ...

  @property
  def result_description() -> str: ...

  @property
  def response_name() -> str: ...

  @property
  def response_value() -> bytes: ...

# In class LDAP:
@property
def on_extended_response() -> Callable[[LDAPExtendedResponseEventParams], None]: ...
@on_extended_response.setter
def on_extended_response(event_hook: Callable[[LDAPExtendedResponseEventParams], None]) -> None: ...

Remarks

The first four parameters are the same as the parameters of the on_result event. ResponseName and ResponseValue are related to the corresponding parameters of the call to extended_request.

on_group_list Event

Fired for each group entry returned.

Syntax

class LDAPGroupListEventParams(object):
  @property
  def name() -> str: ...

  @property
  def description() -> str: ...

  @property
  def dn() -> str: ...

# In class LDAP:
@property
def on_group_list() -> Callable[[LDAPGroupListEventParams], None]: ...
@on_group_list.setter
def on_group_list(event_hook: Callable[[LDAPGroupListEventParams], None]) -> None: ...

Remarks

This event is fired once for each group entry returned when either of the list_groups or list_user_groups methods are called.

on_pi_trail Event

Provides detailed information about the interaction with the server.

Syntax

class LDAPPITrailEventParams(object):
  @property
  def direction() -> int: ...

  @property
  def description() -> str: ...

  @property
  def message() -> str: ...

# In class LDAP:
@property
def on_pi_trail() -> Callable[[LDAPPITrailEventParams], None]: ...
@on_pi_trail.setter
def on_pi_trail(event_hook: Callable[[LDAPPITrailEventParams], None]) -> None: ...

Remarks

The on_pi_trail event provides detailed information about all communication with the server. This is useful for debugging purposes.

Direction specifies the origin of the data. Possible values are:

  • 0 - Client
  • 1 - Server

Description is a short description of the current packet. This is human readable and useful for informational logging.

Message contains a hex encoded version of the raw message. This represents the exact value sent over the wire.

on_result Event

Fired for every server response, except search responses.

Syntax

class LDAPResultEventParams(object):
  @property
  def message_id() -> int: ...

  @property
  def dn() -> str: ...

  @property
  def result_code() -> int: ...

  @property
  def result_description() -> str: ...

# In class LDAP:
@property
def on_result() -> Callable[[LDAPResultEventParams], None]: ...
@on_result.setter
def on_result(event_hook: Callable[[LDAPResultEventParams], None]) -> None: ...

Remarks

The MessageId parameter identifies the corresponding request. ResultCode and ResultDescription show whether the operation was successful (on a successful operation, the ResultCode is 0). For a full list of possible result codes, see the result_code property.

on_search_complete Event

Fired upon completion of a search operation.

Syntax

class LDAPSearchCompleteEventParams(object):
  @property
  def message_id() -> int: ...

  @property
  def dn() -> str: ...

  @property
  def result_code() -> int: ...

  @property
  def result_description() -> str: ...

# In class LDAP:
@property
def on_search_complete() -> Callable[[LDAPSearchCompleteEventParams], None]: ...
@on_search_complete.setter
def on_search_complete(event_hook: Callable[[LDAPSearchCompleteEventParams], None]) -> None: ...

Remarks

The MessageId parameter identifies the corresponding request. ResultCode and ResultDescription show whether the operation was successful (on a successful operation, the ResultCode is 0).

on_search_page Event

Fired for every page returned from a search operation.

Syntax

class LDAPSearchPageEventParams(object):
  @property
  def message_id() -> int: ...

  @property
  def dn() -> str: ...

  @property
  def result_code() -> int: ...

  @property
  def result_description() -> str: ...

  @property
  def cancel_search() -> bool: ...
  @cancel_search.setter
  def cancel_search(value) -> None: ...

# In class LDAP:
@property
def on_search_page() -> Callable[[LDAPSearchPageEventParams], None]: ...
@on_search_page.setter
def on_search_page(event_hook: Callable[[LDAPSearchPageEventParams], None]) -> None: ...

Remarks

This event is where the client can decide whether to continue with the search operation or not. The signature is very similar to the on_search_complete event, with the addition of a CancelSearch parameter. If the search should be canceled (no more pages), the CancelSearch parameter should be set to true.

on_search_result Event

Fired for every entry returned from a search operation.

Syntax

class LDAPSearchResultEventParams(object):
  @property
  def message_id() -> int: ...

  @property
  def dn() -> str: ...

# In class LDAP:
@property
def on_search_result() -> Callable[[LDAPSearchResultEventParams], None]: ...
@on_search_result.setter
def on_search_result(event_hook: Callable[[LDAPSearchResultEventParams], None]) -> None: ...

Remarks

MessageId identifies the corresponding search request. DN contains the Distinguished Name of the entry, while the attribute type and value provided in the attributes properties, show the list of retrieved attributes for the entry.

Every search operation results in a sequence of 0 or more on_search_result events, a sequence of 0 or more on_search_result_reference events, followed by a on_search_complete event.

on_search_result_reference Event

Fired for every result reference returned from a search operation.

Syntax

class LDAPSearchResultReferenceEventParams(object):
  @property
  def message_id() -> int: ...

  @property
  def ldap_url() -> str: ...

# In class LDAP:
@property
def on_search_result_reference() -> Callable[[LDAPSearchResultReferenceEventParams], None]: ...
@on_search_result_reference.setter
def on_search_result_reference(event_hook: Callable[[LDAPSearchResultReferenceEventParams], None]) -> None: ...

Remarks

MessageId identifies the corresponding search request. LdapUrl contains a URL reference to server that can be used for continuing the search operation.

Every search operation results in a sequence of 0 or more on_search_result events, a sequence of 0 or more on_search_result_reference events, followed by a on_search_complete event.

on_ssl_server_authentication Event

Fired after the server presents its certificate to the client.

Syntax

class LDAPSSLServerAuthenticationEventParams(object):
  @property
  def cert_encoded() -> bytes: ...

  @property
  def cert_subject() -> str: ...

  @property
  def cert_issuer() -> str: ...

  @property
  def status() -> str: ...

  @property
  def accept() -> bool: ...
  @accept.setter
  def accept(value) -> None: ...

# In class LDAP:
@property
def on_ssl_server_authentication() -> Callable[[LDAPSSLServerAuthenticationEventParams], None]: ...
@on_ssl_server_authentication.setter
def on_ssl_server_authentication(event_hook: Callable[[LDAPSSLServerAuthenticationEventParams], None]) -> None: ...

Remarks

This event is where the client can decide whether to continue with the connection process or not. The Accept parameter is a recommendation on whether to continue or close the connection. This is just a suggestion: application software must use its own logic to determine whether to continue or not.

When Accept is False, Status shows why the verification failed (otherwise, Status contains the string "OK"). If it is decided to continue, you can override and accept the certificate by setting the Accept parameter to True.

on_ssl_status Event

Shows the progress of the secure connection.

Syntax

class LDAPSSLStatusEventParams(object):
  @property
  def message() -> str: ...

# In class LDAP:
@property
def on_ssl_status() -> Callable[[LDAPSSLStatusEventParams], None]: ...
@on_ssl_status.setter
def on_ssl_status(event_hook: Callable[[LDAPSSLStatusEventParams], None]) -> None: ...

Remarks

The event is fired for informational and logging purposes only. Used to track the progress of the connection.

on_user_list Event

Fired once for each user entry returned.

Syntax

class LDAPUserListEventParams(object):
  @property
  def name() -> str: ...

  @property
  def description() -> str: ...

  @property
  def last_logon() -> str: ...

  @property
  def member_of() -> str: ...

  @property
  def dn() -> str: ...

# In class LDAP:
@property
def on_user_list() -> Callable[[LDAPUserListEventParams], None]: ...
@on_user_list.setter
def on_user_list(event_hook: Callable[[LDAPUserListEventParams], None]) -> None: ...

Remarks

This event is fired once for each user entry returned when the list_group_members method is called.

LDAP Configuration

The class accepts one or more of the following configuration settings. Configuration settings are similar in functionality to properties, but they are rarely used. In order to avoid "polluting" the property namespace of the class, access to these internal properties is provided through the config method.

LDAP Configuration Settings

DomainController:   Returns the name of the domain controller.

This setting may be queried to return the name of the default domain controller in Active Directory domains.

Note: This functionality is only available in Windows.

Note: This functionality is not available in Java.

FriendlyGUID:   Whether to return GUID attribute values in a human readable format.

When inspecting object attributes this setting determines whether GUID attributes such as "objectGUID" are returned as binary objects or converted into a human readable string such as "708d9374-d64a-49b2-97ea-489ddc717703". When set to True a friendly string value is returned. When set to False (default) a binary object is returned.

FriendlySID:   Whether to return SID attribute values in a human readable format.

When inspecting object attributes this setting determines whether SID attributes such as "objectSid" are returned as binary objects or converted into a human readable string such as "S-1-5-21-4272240814-246508344-1325542772-12464". When set to True a friendly string value is returned. When set to False (default) a binary object is returned.

RequestControls:   Controls to include in the request.

This setting may be used to specify LDAP controls in the request. The expected format is a space separated sequence of OIDs and hex encoded values. For instance a single control with a value of 04 may be sent like: ldap.Config("RequestControls=1.2.826.0.1.3344810.2.3 04"); To send a control without a value specify only the OID. For instance: ldap.Config("RequestControls=1.3.6.1.4.1.42.2.27.8.5.1");

ResponseControls:   Controls present in the response.

This setting holds the LDAP controls returned in the response (if any). The format is a space separated sequence of OIDs and hex encoded values. For instance: Log(ldap.Config("ResponseControls")); May output something like: 1.2.826.0.1.3344810.2.3 04

SingleResultMode:   Determines how ResultDN behaves.

When set to true, result_dn will return only the next result when queried. If no more results are found querying result_dn will return empty string. This is useful in environments where events can not be used, such as ASP. For instance:

LDAP1.DN = Request("basedn") LDAP1.Config ("SingleResultMode=true") LDAP1.Search Request("query") Dim Result, i Response.Write "<hr><pre>" Do Result = LDAP1.ResultDN if (Result <> "") then Response.Write Result + "<br>" 'The attributes of each entry are in the AttrType and AttrValue property arrays For i = 0 To LDAP1.AttrCount - 1 Response.Write LDAP1.AttrType(i) + ": " + LDAP1.AttrValue(i) + "<br>" Next End If Loop While Result <> "" Response.Write "</pre>"

UseDefaultDC:   Whether to connect to the default Domain Controller when calling Bind.

If this setting is set to True server_name does not need to be set before calling bind in Active Directory domains. When True the class will query the system for the default Domain Controller and attempt to establish a connection with that server.

Note: This functionality is only available in Windows.

Note: This functionality is not available in Java.

IPPort Configuration Settings

ConnectionTimeout:   Sets a separate timeout value for establishing a connection.

When set, this configuration setting allows you to specify a different timeout value for establishing a connection. Otherwise, the class will use timeout for establishing a connection and transmitting/receiving data.

FirewallAutoDetect:   Tells the class whether or not to automatically detect and use firewall system settings, if available.

This setting is provided for use by classs that do not directly expose Firewall properties.

FirewallHost:   Name or IP address of firewall (optional).

If a FirewallHost is given, requested connections will be authenticated through the specified firewall when connecting.

If the FirewallHost setting is set to a Domain Name, a DNS request is initiated. Upon successful termination of the request, the FirewallHost setting is set to the corresponding address. If the search is not successful, an error is returned.

NOTE: This setting is provided for use by classs that do not directly expose Firewall properties.

FirewallPassword:   Password to be used if authentication is to be used when connecting through the firewall.

If FirewallHost is specified, the FirewallUser and FirewallPassword settings are used to connect and authenticate to the given firewall. If the authentication fails, the class fails with an error.

NOTE: This setting is provided for use by classs that do not directly expose Firewall properties.

FirewallPort:   The TCP port for the FirewallHost;.

Note that the FirewallPort is set automatically when FirewallType is set to a valid value.

NOTE: This setting is provided for use by classs that do not directly expose Firewall properties.

FirewallType:   Determines the type of firewall to connect through.

The appropriate values are as follows:

0No firewall (default setting).
1Connect through a tunneling proxy. FirewallPort is set to 80.
2Connect through a SOCKS4 Proxy. FirewallPort is set to 1080.
3Connect through a SOCKS5 Proxy. FirewallPort is set to 1080.
10Connect through a SOCKS4A Proxy. FirewallPort is set to 1080.

NOTE: This setting is provided for use by classs that do not directly expose Firewall properties.

FirewallUser:   A user name if authentication is to be used connecting through a firewall.

If the FirewallHost is specified, the FirewallUser and FirewallPassword settings are used to connect and authenticate to the Firewall. If the authentication fails, the class fails with an error.

NOTE: This setting is provided for use by classs that do not directly expose Firewall properties.

KeepAliveInterval:   The retry interval, in milliseconds, to be used when a TCP keep-alive packet is sent and no response is received.

When set, TCPKeepAlive will automatically be set to true. A TCP keep-alive packet will be sent after a period of inactivity as defined by KeepAliveTime. If no acknowledgement is received from the remote host the keep-alive packet will be re-sent. This setting specifies the interval at which the successive keep-alive packets are sent in milliseconds. This system default if this value is not specified here is 1 second.

Note: This value is not applicable in macOS.

KeepAliveTime:   The inactivity time in milliseconds before a TCP keep-alive packet is sent.

When set, TCPKeepAlive will automatically be set to true. By default the operating system will determine the time a connection is idle before a TCP keep-alive packet is sent. This system default if this value is not specified here is 2 hours. In many cases a shorter interval is more useful. Set this value to the desired interval in milliseconds.

Linger:   When set to True, connections are terminated gracefully.

This property controls how a connection is closed. The default is True.

In the case that Linger is True (default), there are two scenarios for determining how long the connection will linger. The first, if LingerTime is 0 (default), the system will attempt to send pending data for a connection until the default IP protocol timeout expires.

In the second scenario, LingerTime is a positive value, the system will attempt to send pending data until the specified LingerTime is reached. If this attempt fails, then the system will reset the connection.

The default behavior (which is also the default mode for stream sockets) might result in a long delay in closing the connection. Although the class returns control immediately, the system could hold system resources until all pending data is sent (even after your application closes).

Setting this property to False forces an immediate disconnection. If you know that the other side has received all the data you sent (by a client acknowledgment, for example), setting this property to False might be the appropriate course of action.

LingerTime:   Time in seconds to have the connection linger.

LingerTime is the time, in seconds, to leave the socket connection linger. This value is 0 by default, which means it will use the default IP protocol timeout.

LocalHost:   The name of the local host through which connections are initiated or accepted.

The local_host setting contains the name of the local host as obtained by the gethostname() system call, or if the user has assigned an IP address, the value of that address.

In multi-homed hosts (machines with more than one IP interface) setting LocalHost to the value of an interface will make the class initiate connections (or accept in the case of server classs) only through that interface.

If the class is connected, the local_host setting shows the IP address of the interface through which the connection is made in internet dotted format (aaa.bbb.ccc.ddd). In most cases, this is the address of the local host, except for multi-homed hosts (machines with more than one IP interface).

LocalPort:   The port in the local host where the class binds.

This must be set before a connection is attempted. It instructs the class to bind to a specific port (or communication endpoint) in the local machine.

Setting this to 0 (default) enables the system to choose a port at random. The chosen port will be shown by local_port after the connection is established.

local_port cannot be changed once a connection is made. Any attempt to set this when a connection is active will generate an error.

This; setting is useful when trying to connect to services that require a trusted port in the client side. An example is the remote shell (rsh) service in UNIX systems.

MaxLineLength:   The maximum amount of data to accumulate when no EOL is found.

MaxLineLength is the size of an internal buffer, which holds received data while waiting for an eol string.

If an eol string is found in the input stream before MaxLineLength bytes are received, the on_data_in event is fired with the EOL parameter set to True, and the buffer is reset.

If no eol is found, and MaxLineLength bytes are accumulated in the buffer, the on_data_in event is fired with the EOL parameter set to False, and the buffer is reset.

The minimum value for MaxLineLength is 256 bytes. The default value is 2048 bytes.

MaxTransferRate:   The transfer rate limit in bytes per second.

This setting can be used to throttle outbound TCP traffic. Set this to the number of bytes to be sent per second. By default this is not set and there is no limit.

ProxyExceptionsList:   A semicolon separated list of hosts and IPs to bypass when using a proxy.

This setting optionally specifies a semicolon separated list of hostnames or IP addresses to bypass when a proxy is in use. When requests are made to hosts specified in this property the proxy will not be used. For instance:

www.google.com;www.nsoftware.com

TCPKeepAlive:   Determines whether or not the keep alive socket option is enabled.

If set to true, the socket's keep-alive option is enabled and keep-alive packets will be sent periodically to maintain the connection. Set KeepAliveTime and KeepAliveInterval to configure the timing of the keep-alive packets.

Note: This value is not applicable in Java.

TcpNoDelay:   Whether or not to delay when sending packets.

When true, the socket will send all data that is ready to send at once. When false, the socket will send smaller buffered packets of data at small intervals. This is known as the Nagle algorithm.

By default, this config is set to false.

UseIPv6:   Whether to use IPv6.

When set to 0 (default), the class will use IPv4 exclusively. When set to 1, the class will use IPv6 exclusively. To instruct the class to prefer IPv6 addresses, but use IPv4 if IPv6 is not supported on the system, this setting should be set to 2. The default value is 0. Possible values are:

0 IPv4 Only
1 IPv6 Only
2 IPv6 with IPv4 fallback

SSL Configuration Settings

LogSSLPackets:   Controls whether SSL packets are logged when using the internal security API.

When the UseInternalSecurityAPI configuration setting is True, this setting controls whether SSL packets should be logged. By default, this setting is False, as it is only useful for debugging purposes.

When enabled, SSL packet logs are output using the on_ssl_status event, which will fire each time an SSL packet is sent or received.

Enabling this setting has no effect if UseInternalSecurityAPI is False.

OpenSSLCADir:   The path to a directory containing CA certificates.

This functionality is available only when the provider is OpenSSL.

The path set by this property should point to a directory containing CA certificates in PEM format. The files each contain one CA certificate. The files are looked up by the CA subject name hash value, which must hence be available. If more than one CA certificate with the same name hash value exist, the extension must be different (e.g. 9d66eef0.0, 9d66eef0.1 etc). OpenSSL recommends to use the c_rehash utility to create the necessary links. Please refer to the OpenSSL man page SSL_CTX_load_verify_locations(3) for details.

OpenSSLCAFile:   Name of the file containing the list of CA's trusted by your application.

This functionality is available only when the provider is OpenSSL.

The file set by this property should contain a list of CA certificates in PEM format. The file can contain several CA certificates identified by

-----BEGIN CERTIFICATE-----

... (CA certificate in base64 encoding) ...

-----END CERTIFICATE-----

sequences. Before, between, and after the certificates text is allowed which can be used e.g. for descriptions of the certificates. Please refer to the OpenSSL man page SSL_CTX_load_verify_locations(3) for details.

OpenSSLCipherList:   A string that controls the ciphers to be used by SSL.

This functionality is available only when the provider is OpenSSL.

The format of this string is described in the OpenSSL man page ciphers(1) section "CIPHER LIST FORMAT". Please refer to it for details. The default string "DEFAULT" is determined at compile time and is normally equivalent to "ALL:!ADH:RC4+RSA:+SSLv2:@STRENGTH".

OpenSSLPrngSeedData:   The data to seed the pseudo random number generator (PRNG).

This functionality is available only when the provider is OpenSSL.

By default OpenSSL uses the device file "/dev/urandom" to seed the PRNG and setting OpenSSLPrngSeedData is not required. If set, the string specified is used to seed the PRNG.

ReuseSSLSession:   Determines if the SSL session is reused.

If set to true, the class will reuse the context if and only if the following criteria are met:

  • The target host name is the same.
  • The system cache entry has not expired (default timeout is 10 hours).
  • The application process that calls the function is the same.
  • The logon session is the same.
  • The instance of the class is the same.

SSLCACertFilePaths:   The paths to CA certificate files on Unix/Linux.

This setting specifies the paths on disk to CA certificate files on Unix/Linux.

The value is formatted as a list of paths separated by semicolons. The class will check for the existence of each file in the order specified. When a file is found the CA certificates within the file will be loaded and used to determine the validity of server certificates.

The default value is:

/etc/ssl/ca-bundle.pem;/etc/pki/tls/certs/ca-bundle.crt;/etc/ssl/certs/ca-certificates.crt;/etc/pki/tls/cacert.pem

SSLCACerts:   A newline separated list of CA certificate to use during SSL client authentication.

This setting specifies one or more CA certificates to be included in the request when performing SSL client authentication. Some servers require the entire chain, including CA certificates, to be presented when performing SSL client authentication. The value of this setting is a newline (CrLf) separated list of certificates. For instance:

-----BEGIN CERTIFICATE-----
MIIEKzCCAxOgAwIBAgIRANTET4LIkxdH6P+CFIiHvTowDQYJKoZIhvcNAQELBQAw
...
eWHV5OW1K53o/atv59sOiW5K3crjFhsBOd5Q+cJJnU+SWinPKtANXMht+EDvYY2w
F0I1XhM+pKj7FjDr+XNj
-----END CERTIFICATE-----
\r \n
-----BEGIN CERTIFICATE-----
MIIEFjCCAv6gAwIBAgIQetu1SMxpnENAnnOz1P+PtTANBgkqhkiG9w0BAQUFADBp
..
d8q23djXZbVYiIfE9ebr4g3152BlVCHZ2GyPdjhIuLeH21VbT/dyEHHA
-----END CERTIFICATE-----

SSLCheckCRL:   Whether to check the Certificate Revocation List for the server certificate.

This setting specifies whether the class will check the Certificate Revocation List specified by the server certificate. If set to True the class will first obtain the list of CRL URLs from the server certificate's CRL distribution points extension. The class will then make HTTP requests to each CRL endpoint to check the validity of the server's certificate. If the certificate has been revoked or any other issues are found during validation the class fails with an error.

When set to False (default) the CRL check will not be performed by the class.

SSLCipherStrength:   The minimum cipher strength used for bulk encryption.

This minimum cipher strength largely dependent on the security modules installed on the system. If the cipher strength specified is not supported, an error will be returned when connections are initiated.

Please note that this setting contains the minimum cipher strength requested from the security library. The actual cipher strength used for the connection is shown by the on_ssl_status event.

Use this setting with caution. Requesting a lower cipher strength than necessary could potentially cause serious security vulnerabilities in your application.

When the provider is OpenSSL, SSLCipherStrength is currently not supported. This functionality is instead made available through the OpenSSLCipherList config setting.

SSLEnabledCipherSuites:   The cipher suite to be used in an SSL negotiation.

The enabled cipher suites to be used in SSL negotiation.

By default, the enabled cipher suites will include all available ciphers ("*").

The special value "*" means that the class will pick all of the supported cipher suites. If SSLEnabledCipherSuites is set to any other value, only the specified cipher suites will be considered.

Multiple cipher suites are separated by semicolons.

Example values when UseInternalSecurityAPI is False (default): obj.config("SSLEnabledCipherSuites=*"); obj.config("SSLEnabledCipherSuites=CALG_AES_256"); obj.config("SSLEnabledCipherSuites=CALG_AES_256;CALG_3DES"); Possible values when UseInternalSecurityAPI is False (default) include:

  • CALG_3DES
  • CALG_3DES_112
  • CALG_AES
  • CALG_AES_128
  • CALG_AES_192
  • CALG_AES_256
  • CALG_AGREEDKEY_ANY
  • CALG_CYLINK_MEK
  • CALG_DES
  • CALG_DESX
  • CALG_DH_EPHEM
  • CALG_DH_SF
  • CALG_DSS_SIGN
  • CALG_ECDH
  • CALG_ECDH_EPHEM
  • CALG_ECDSA
  • CALG_ECMQV
  • CALG_HASH_REPLACE_OWF
  • CALG_HUGHES_MD5
  • CALG_HMAC
  • CALG_KEA_KEYX
  • CALG_MAC
  • CALG_MD2
  • CALG_MD4
  • CALG_MD5
  • CALG_NO_SIGN
  • CALG_OID_INFO_CNG_ONLY
  • CALG_OID_INFO_PARAMETERS
  • CALG_PCT1_MASTER
  • CALG_RC2
  • CALG_RC4
  • CALG_RC5
  • CALG_RSA_KEYX
  • CALG_RSA_SIGN
  • CALG_SCHANNEL_ENC_KEY
  • CALG_SCHANNEL_MAC_KEY
  • CALG_SCHANNEL_MASTER_HASH
  • CALG_SEAL
  • CALG_SHA
  • CALG_SHA1
  • CALG_SHA_256
  • CALG_SHA_384
  • CALG_SHA_512
  • CALG_SKIPJACK
  • CALG_SSL2_MASTER
  • CALG_SSL3_MASTER
  • CALG_SSL3_SHAMD5
  • CALG_TEK
  • CALG_TLS1_MASTER
  • CALG_TLS1PRF
Example values when UseInternalSecurityAPI is True: obj.config("SSLEnabledCipherSuites=*"); obj.config("SSLEnabledCipherSuites=TLS_DHE_DSS_WITH_AES_128_CBC_SHA"); obj.config("SSLEnabledCipherSuites=TLS_DHE_DSS_WITH_AES_128_CBC_SHA;TLS_DH_ANON_WITH_AES_128_CBC_SHA"); Possible values when UseInternalSecurityAPI is True include:
  • TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
  • TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
  • TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
  • TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
  • TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
  • TLS_RSA_WITH_AES_256_GCM_SHA384
  • TLS_RSA_WITH_AES_128_GCM_SHA256
  • TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
  • TLS_DHE_DSS_WITH_AES_256_GCM_SHA384
  • TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
  • TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
  • TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
  • TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
  • TLS_DHE_DSS_WITH_AES_128_GCM_SHA256
  • TLS_DH_RSA_WITH_AES_128_GCM_SHA256
  • TLS_DH_RSA_WITH_AES_256_GCM_SHA384
  • TLS_DH_DSS_WITH_AES_128_GCM_SHA256
  • TLS_DH_DSS_WITH_AES_256_GCM_SHA384
  • TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
  • TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
  • TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
  • TLS_DHE_DSS_WITH_AES_256_CBC_SHA256
  • TLS_RSA_WITH_AES_256_CBC_SHA256
  • TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
  • TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
  • TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
  • TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
  • TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
  • TLS_RSA_WITH_AES_128_CBC_SHA256
  • TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
  • TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
  • TLS_DHE_DSS_WITH_AES_128_CBC_SHA256
  • TLS_RSA_WITH_AES_256_CBC_SHA
  • TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
  • TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
  • TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
  • TLS_DHE_RSA_WITH_AES_256_CBC_SHA
  • TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
  • TLS_DHE_DSS_WITH_AES_256_CBC_SHA
  • TLS_RSA_WITH_AES_128_CBC_SHA
  • TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
  • TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
  • TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
  • TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
  • TLS_DHE_RSA_WITH_AES_128_CBC_SHA
  • TLS_DHE_DSS_WITH_AES_128_CBC_SHA
  • TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
  • TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
  • TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
  • TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
  • TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA
  • TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA
  • TLS_RSA_WITH_3DES_EDE_CBC_SHA
  • TLS_RSA_WITH_DES_CBC_SHA
  • TLS_DHE_RSA_WITH_DES_CBC_SHA
  • TLS_DHE_DSS_WITH_DES_CBC_SHA
  • TLS_RSA_WITH_RC4_128_MD5
  • TLS_RSA_WITH_RC4_128_SHA

When TLS 1.3 is negotiated (see SSLEnabledProtocols) only the following cipher suites are supported:

  • TLS_AES_256_GCM_SHA384
  • TLS_CHACHA20_POLY1305_SHA256
  • TLS_AES_128_GCM_SHA256

SSLEnabledCipherSuites is used together with SSLCipherStrength.

SSLEnabledProtocols:   Used to enable/disable the supported security protocols.

Used to enable/disable the supported security protocols.

Not all supported protocols are enabled by default (the value of this setting is 4032). If you want more granular control over the enabled protocols, you can set this property to the binary 'OR' of one or more of the following values:

TLS1.312288 (Hex 3000)
TLS1.23072 (Hex C00) (Default)
TLS1.1768 (Hex 300) (Default)
TLS1 192 (Hex C0) (Default)
SSL3 48 (Hex 30)
SSL2 12 (Hex 0C)

When the provider is OpenSSL, SSLCipherStrength is currently not supported. This functionality is instead made available through the OpenSSLCipherList setting.

Note: TLS 1.1 and TLS1.2 support are only available starting with Windows 7.

Note: Enabling TLS 1.3 will automatically set UseInternalSecurityAPI to True.

SSLEnableRenegotiation:   Whether the renegotiation_info SSL extension is supported.

This setting specifies whether the renegotiation_info SSL extension will be used in the request when using the internal security API. This setting is True by default, but can be set to False to disable the extension.

This setting is only applicable when UseInternalSecurityAPI is set to True.

SSLIncludeCertChain:   Whether the entire certificate chain is included in the SSLServerAuthentication event.

This setting specifies whether the Encoded parameter of the on_ssl_server_authentication event contains the full certificate chain. By default this value is False and only the leaf certificate will be present in the Encoded parameter of the on_ssl_server_authentication event.

If set to True all certificates returned by the server will be present in the Encoded parameter of the on_ssl_server_authentication event. This includes the leaf certificate, any intermediate certificate, and the root certificate.

SSLKeyLogFile:   The location of a file where per-session secrets are written for debugging purposes.

This setting optionally specifies the full path to a file on disk where per-session secrets are stored for debugging purposes.

When set, the class will save the session secrets in the same format as the SSLKEYLOGFILE environment variable functionality used by most major browsers and tools such as Chrome, Firefox, and cURL. This file can then be used in tools such as Wireshark to decrypt TLS traffice for debugging purposes. When writing to this file the class will only append, it will not overwrite previous values.

Note: This setting is only applicable when UseInternalSecurityAPI is set to True.

SSLNegotiatedCipher:   Returns the negotiated ciphersuite.

Returns the ciphersuite negotiated during the SSL handshake.

Note: For server components (e.g. IPDaemon) this is a per-connection setting accessed by passing the ConnectionId. For example: server.Config("SSLNegotiatedCipher[connId]");

SSLNegotiatedCipherStrength:   Returns the negotiated ciphersuite strength.

Returns the strength of the ciphersuite negotiated during the SSL handshake.

Note: For server components (e.g. IPDaemon) this is a per-connection setting accessed by passing the ConnectionId. For example: server.Config("SSLNegotiatedCipherStrength[connId]");

SSLNegotiatedCipherSuite:   Returns the negotiated ciphersuite.

Returns the ciphersuite negotiated during the SSL handshake represented as a single string.

Note: For server components (e.g. IPDaemon) this is a per-connection setting accessed by passing the ConnectionId. For example: server.Config("SSLNegotiatedCipherSuite[connId]");

SSLNegotiatedKeyExchange:   Returns the negotiated key exchange algorithm.

Returns the key exchange algorithm negotiated during the SSL handshake.

Note: For server components (e.g. IPDaemon) this is a per-connection setting accessed by passing the ConnectionId. For example: server.Config("SSLNegotiatedKeyExchange[connId]");

SSLNegotiatedKeyExchangeStrength:   Returns the negotiated key exchange algorithm strength.

Returns the strenghth of the key exchange algorithm negotiated during the SSL handshake.

Note: For server components (e.g. IPDaemon) this is a per-connection setting accessed by passing the ConnectionId. For example: server.Config("SSLNegotiatedKeyExchangeStrength[connId]");

SSLNegotiatedProtocol:   Returns the negotiated protocol version.

Returns the protocol version negotiated during the SSL handshake.

Note: For server components (e.g. IPDaemon) this is a per-connection setting accessed by passing the ConnectionId. For example: server.Config("SSLNegotiatedProtocol[connId]");

SSLProvider:   The name of the security provider to use.

Change this setting to use security providers other than the system default.

Use this setting with caution. Disabling SSL security or pointing to the wrong provider could potentially cause serious security vulnerabilities in your application.

The special value "*" (default) picks the default SSL provider defined in the system.

Note: On Windows systems, the default SSL Provider is "Microsoft Unified Security Protocol Provider" and cannot be changed .

SSLSecurityFlags:   Flags that control certificate verification.

The following flags are defined (specified in hexadecimal notation). They can be or-ed together to exclude multiple conditions:

0x00000001Ignore time validity status of certificate.
0x00000002Ignore time validity status of CTL.
0x00000004Ignore non-nested certificate times.
0x00000010Allow unknown Certificate Authority.
0x00000020Ignore wrong certificate usage.
0x00000100Ignore unknown certificate revocation status.
0x00000200Ignore unknown CTL signer revocation status.
0x00000400Ignore unknown Certificate Authority revocation status.
0x00000800Ignore unknown Root revocation status.
0x00008000Allow test Root certificate.
0x00004000Trust test Root certificate.
0x80000000Ignore non-matching CN (certificate CN not-matching server name).

This functionality is currently not available when the provider is OpenSSL.

SSLServerCACerts:   A newline separated list of CA certificate to use during SSL server certificate validation.

This setting optionally specifies one or more CA certificates to be used when verifying the server certificate. When verifying the server's certificate the certificates trusted by the system will be used as part of the verification process. If the server's CA certificates are not installed to the trusted system store, they may be specified here so they are included when performing the verification process. This setting should only be set if the server's CA certificates are not already trusted on the system and cannot be installed to the trusted system store.

The value of this setting is a newline (CrLf) separated list of certificates. For instance:

-----BEGIN CERTIFICATE-----
MIIEKzCCAxOgAwIBAgIRANTET4LIkxdH6P+CFIiHvTowDQYJKoZIhvcNAQELBQAw
...
eWHV5OW1K53o/atv59sOiW5K3crjFhsBOd5Q+cJJnU+SWinPKtANXMht+EDvYY2w
F0I1XhM+pKj7FjDr+XNj
-----END CERTIFICATE-----
\r \n
-----BEGIN CERTIFICATE-----
MIIEFjCCAv6gAwIBAgIQetu1SMxpnENAnnOz1P+PtTANBgkqhkiG9w0BAQUFADBp
..
d8q23djXZbVYiIfE9ebr4g3152BlVCHZ2GyPdjhIuLeH21VbT/dyEHHA
-----END CERTIFICATE-----

TLS12SignatureAlgorithms:   Defines the allowed TLS 1.2 signature algorithms when UseInternalSecurityAPI is True.

This setting specifies the allowed server certificate signature algorithms when UseInternalSecurityAPI is True and SSLEnabledProtocols is set to allow TLS 1.2.

When specified the class will verify that the server certificate signature algorithm is among the values specified in this setting. If the server certificate signature algorithm is unsupported the class fails with an error.

The format of this value is a comma separated list of hash-signature combinations. For instance: IPPort.Config("UseInternalSecurityAPI=true"); IPPort.Config("SSLEnabledProtocols=3072"); //TLS 1.2 IPPort.Config("TLS12SignatureAlgorithms=sha256-rsa,sha256-dsa,sha1-rsa,sha1-dsa"); The default value for this setting is sha512-ecdsa,sha512-rsa,sha512-dsa,sha384-ecdsa,sha384-rsa,sha384-dsa,sha256-ecdsa,sha256-rsa,sha256-dsa,sha224-ecdsa,sha224-rsa,sha224-dsa,sha1-ecdsa,sha1-rsa,sha1-dsa.

In order to not restrict the server's certificate signature algorithm, specify an empty string as the value for this setting, which will cause the signature_algorithms TLS 1.2 extension to not be sent.

TLS12SupportedGroups:   The supported groups for ECC.

This setting specifies a comma separated list of named groups used in TLS 1.2 for ECC.

The default value is ecdhe_secp256r1,ecdhe_secp384r1,ecdhe_secp521r1.

When using TLS 1.2 and UseInternalSecurityAPI is set to True, the values refer to the supported groups for ECC. The following values are supported:

  • "ecdhe_secp256r1" (default)
  • "ecdhe_secp384r1" (default)
  • "ecdhe_secp521r1" (default)

TLS13KeyShareGroups:   The groups for which to pregenerate key shares.

This setting specifies a comma separated list of named groups used in TLS 1.3 for key exchange. The groups specified here will have key share data pregenerated locally before establishing a connection. This can prevent an additional round trip during the handshake if the group is supported by the server.

The default value is set to balance common supported groups and the computational resources required to generate key shares. As a result only some groups are included by default in this setting.

Note: All supported groups can always be used during the handshake even if not listed here, but if a group is used which is not present in this list it will incur an additional round trip and time to generate the key share for that group.

In most cases this setting does not need to be modified. This should only be modified if there is a specific reason to do so.

The default value is ecdhe_x25519,ecdhe_secp256r1,ecdhe_secp384r1,ffdhe_2048,ffdhe_3072

The values are ordered from most preferred to least preferred. The following values are supported:

  • "ecdhe_x25519" (default)
  • "ecdhe_x448"
  • "ecdhe_secp256r1" (default)
  • "ecdhe_secp384r1" (default)
  • "ecdhe_secp521r1"
  • "ffdhe_2048" (default)
  • "ffdhe_3072" (default)
  • "ffdhe_4096"
  • "ffdhe_6144"
  • "ffdhe_8192"

TLS13Provider:   The TLS 1.3 implementation to be used.

This setting specifies the TLS 1.3 implementation which will be used when TLS 1.3 is enabled via SSLEnabledProtocols. Possible values are:

  • 0 (Internal - Default)
  • 1 (Platform)

The platform provider is only supported on Windows 11 / Windows Server 2022 and up. The default internal provider is available on all platforms and is not restricted to any specific OS version.

If set to 1 (Platform provider) please be aware of the following notes:

  • The platform provider is only available on Windows 11 / Windows Server 2022 and up.
  • SSLEnabledCipherSuites and other similar SSL configuration settings are not supported.
  • If SSLEnabledProtocols includes both TLS 1.3 and TLS 1.2 the above restrictions are still applicable even if TLS 1.2 is negotiated. Enabling TLS 1.3 with the platform provider changes the implementation used for all TLS versions.

TLS13SignatureAlgorithms:   The allowed certificate signature algorithms.

This setting holds a comma separated list of allowed signature algorithms. Possible values are:

  • "ed25519" (default)
  • "ed448" (default)
  • "ecdsa_secp256r1_sha256" (default)
  • "ecdsa_secp384r1_sha384" (default)
  • "ecdsa_secp521r1_sha512" (default)
  • "rsa_pkcs1_sha256" (default)
  • "rsa_pkcs1_sha384" (default)
  • "rsa_pkcs1_sha512" (default)
  • "rsa_pss_sha256" (default)
  • "rsa_pss_sha384" (default)
  • "rsa_pss_sha512" (default)
The default value is rsa_pss_sha256,rsa_pss_sha384,rsa_pss_sha512,rsa_pkcs1_sha256,rsa_pkcs1_sha384,rsa_pkcs1_sha512,ecdsa_secp256r1_sha256,ecdsa_secp384r1_sha384,ecdsa_secp521r1_sha512,ed25519,ed448. This setting is only applicable when SSLEnabledProtocols includes TLS 1.3.
TLS13SupportedGroups:   The supported groups for (EC)DHE key exchange.

This setting specifies a comma separated list of named groups used in TLS 1.3 for key exchange. This setting should only be modified if there is a specific reason to do so.

The default value is ecdhe_x25519,ecdhe_x448,ecdhe_secp256r1,ecdhe_secp384r1,ecdhe_secp521r1,ffdhe_2048,ffdhe_3072,ffdhe_4096,ffdhe_6144,ffdhe_8192

The values are ordered from most preferred to least preferred. The following values are supported:

  • "ecdhe_x25519" (default)
  • "ecdhe_x448" (default)
  • "ecdhe_secp256r1" (default)
  • "ecdhe_secp384r1" (default)
  • "ecdhe_secp521r1" (default)
  • "ffdhe_2048" (default)
  • "ffdhe_3072" (default)
  • "ffdhe_4096" (default)
  • "ffdhe_6144" (default)
  • "ffdhe_8192" (default)

Socket Configuration Settings

AbsoluteTimeout:   Determines whether timeouts are inactivity timeouts or absolute timeouts.

If AbsoluteTimeout is set to True, any method which does not complete within Timeout seconds will be aborted. By default, AbsoluteTimeout is False, and the timeout is an inactivity timeout.

Note: This option is not valid for UDP ports.

FirewallData:   Used to send extra data to the firewall.

When the firewall is a tunneling proxy, use this property to send custom (additional) headers to the firewall (e.g. headers for custom authentication schemes).

InBufferSize:   The size in bytes of the incoming queue of the socket.

This is the size of an internal queue in the TCP/IP stack. You can increase or decrease its size depending on the amount of data that you will be receiving. Increasing the value of the InBufferSize setting can provide significant improvements in performance in some cases.

Some TCP/IP implementations do not support variable buffer sizes. If that is the case, when the class is activated the InBufferSize reverts to its defined size. The same happens if you attempt to make it too large or too small.

OutBufferSize:   The size in bytes of the outgoing queue of the socket.

This is the size of an internal queue in the TCP/IP stack. You can increase or decrease its size depending on the amount of data that you will be sending. Increasing the value of the OutBufferSize setting can provide significant improvements in performance in some cases.

Some TCP/IP implementations do not support variable buffer sizes. If that is the case, when the class is activated the OutBufferSize reverts to its defined size. The same happens if you attempt to make it too large or too small.

Base Configuration Settings

BuildInfo:   Information about the product's build.

When queried, this setting will return a string containing information about the product's build.

CodePage:   The system code page used for Unicode to Multibyte translations.

The default code page is Unicode UTF-8 (65001).

The following is a list of valid code page identifiers:

IdentifierName
037IBM EBCDIC - U.S./Canada
437OEM - United States
500IBM EBCDIC - International
708Arabic - ASMO 708
709Arabic - ASMO 449+, BCON V4
710Arabic - Transparent Arabic
720Arabic - Transparent ASMO
737OEM - Greek (formerly 437G)
775OEM - Baltic
850OEM - Multilingual Latin I
852OEM - Latin II
855OEM - Cyrillic (primarily Russian)
857OEM - Turkish
858OEM - Multilingual Latin I + Euro symbol
860OEM - Portuguese
861OEM - Icelandic
862OEM - Hebrew
863OEM - Canadian-French
864OEM - Arabic
865OEM - Nordic
866OEM - Russian
869OEM - Modern Greek
870IBM EBCDIC - Multilingual/ROECE (Latin-2)
874ANSI/OEM - Thai (same as 28605, ISO 8859-15)
875IBM EBCDIC - Modern Greek
932ANSI/OEM - Japanese, Shift-JIS
936ANSI/OEM - Simplified Chinese (PRC, Singapore)
949ANSI/OEM - Korean (Unified Hangul Code)
950ANSI/OEM - Traditional Chinese (Taiwan; Hong Kong SAR, PRC)
1026IBM EBCDIC - Turkish (Latin-5)
1047IBM EBCDIC - Latin 1/Open System
1140IBM EBCDIC - U.S./Canada (037 + Euro symbol)
1141IBM EBCDIC - Germany (20273 + Euro symbol)
1142IBM EBCDIC - Denmark/Norway (20277 + Euro symbol)
1143IBM EBCDIC - Finland/Sweden (20278 + Euro symbol)
1144IBM EBCDIC - Italy (20280 + Euro symbol)
1145IBM EBCDIC - Latin America/Spain (20284 + Euro symbol)
1146IBM EBCDIC - United Kingdom (20285 + Euro symbol)
1147IBM EBCDIC - France (20297 + Euro symbol)
1148IBM EBCDIC - International (500 + Euro symbol)
1149IBM EBCDIC - Icelandic (20871 + Euro symbol)
1200Unicode UCS-2 Little-Endian (BMP of ISO 10646)
1201Unicode UCS-2 Big-Endian
1250ANSI - Central European
1251ANSI - Cyrillic
1252ANSI - Latin I
1253ANSI - Greek
1254ANSI - Turkish
1255ANSI - Hebrew
1256ANSI - Arabic
1257ANSI - Baltic
1258ANSI/OEM - Vietnamese
1361Korean (Johab)
10000MAC - Roman
10001MAC - Japanese
10002MAC - Traditional Chinese (Big5)
10003MAC - Korean
10004MAC - Arabic
10005MAC - Hebrew
10006MAC - Greek I
10007MAC - Cyrillic
10008MAC - Simplified Chinese (GB 2312)
10010MAC - Romania
10017MAC - Ukraine
10021MAC - Thai
10029MAC - Latin II
10079MAC - Icelandic
10081MAC - Turkish
10082MAC - Croatia
12000Unicode UCS-4 Little-Endian
12001Unicode UCS-4 Big-Endian
20000CNS - Taiwan
20001TCA - Taiwan
20002Eten - Taiwan
20003IBM5550 - Taiwan
20004TeleText - Taiwan
20005Wang - Taiwan
20105IA5 IRV International Alphabet No. 5 (7-bit)
20106IA5 German (7-bit)
20107IA5 Swedish (7-bit)
20108IA5 Norwegian (7-bit)
20127US-ASCII (7-bit)
20261T.61
20269ISO 6937 Non-Spacing Accent
20273IBM EBCDIC - Germany
20277IBM EBCDIC - Denmark/Norway
20278IBM EBCDIC - Finland/Sweden
20280IBM EBCDIC - Italy
20284IBM EBCDIC - Latin America/Spain
20285IBM EBCDIC - United Kingdom
20290IBM EBCDIC - Japanese Katakana Extended
20297IBM EBCDIC - France
20420IBM EBCDIC - Arabic
20423IBM EBCDIC - Greek
20424IBM EBCDIC - Hebrew
20833IBM EBCDIC - Korean Extended
20838IBM EBCDIC - Thai
20866Russian - KOI8-R
20871IBM EBCDIC - Icelandic
20880IBM EBCDIC - Cyrillic (Russian)
20905IBM EBCDIC - Turkish
20924IBM EBCDIC - Latin-1/Open System (1047 + Euro symbol)
20932JIS X 0208-1990 & 0121-1990
20936Simplified Chinese (GB2312)
21025IBM EBCDIC - Cyrillic (Serbian, Bulgarian)
21027Extended Alpha Lowercase
21866Ukrainian (KOI8-U)
28591ISO 8859-1 Latin I
28592ISO 8859-2 Central Europe
28593ISO 8859-3 Latin 3
28594ISO 8859-4 Baltic
28595ISO 8859-5 Cyrillic
28596ISO 8859-6 Arabic
28597ISO 8859-7 Greek
28598ISO 8859-8 Hebrew
28599ISO 8859-9 Latin 5
28605ISO 8859-15 Latin 9
29001Europa 3
38598ISO 8859-8 Hebrew
50220ISO 2022 Japanese with no halfwidth Katakana
50221ISO 2022 Japanese with halfwidth Katakana
50222ISO 2022 Japanese JIS X 0201-1989
50225ISO 2022 Korean
50227ISO 2022 Simplified Chinese
50229ISO 2022 Traditional Chinese
50930Japanese (Katakana) Extended
50931US/Canada and Japanese
50933Korean Extended and Korean
50935Simplified Chinese Extended and Simplified Chinese
50936Simplified Chinese
50937US/Canada and Traditional Chinese
50939Japanese (Latin) Extended and Japanese
51932EUC - Japanese
51936EUC - Simplified Chinese
51949EUC - Korean
51950EUC - Traditional Chinese
52936HZ-GB2312 Simplified Chinese
54936Windows XP: GB18030 Simplified Chinese (4 Byte)
57002ISCII Devanagari
57003ISCII Bengali
57004ISCII Tamil
57005ISCII Telugu
57006ISCII Assamese
57007ISCII Oriya
57008ISCII Kannada
57009ISCII Malayalam
57010ISCII Gujarati
57011ISCII Punjabi
65000Unicode UTF-7
65001Unicode UTF-8

The following is a list of valid code page identifiers for Mac OS only:

IdentifierName
1ASCII
2NEXTSTEP
3JapaneseEUC
4UTF8
5ISOLatin1
6Symbol
7NonLossyASCII
8ShiftJIS
9ISOLatin2
10Unicode
11WindowsCP1251
12WindowsCP1252
13WindowsCP1253
14WindowsCP1254
15WindowsCP1250
21ISO2022JP
30MacOSRoman
10UTF16String
0x90000100UTF16BigEndian
0x94000100UTF16LittleEndian
0x8c000100UTF32String
0x98000100UTF32BigEndian
0x9c000100UTF32LittleEndian
65536Proprietary

LicenseInfo:   Information about the current license.

When queried, this setting will return a string containing information about the license this instance of a class is using. It will return the following information:

  • Product: The product the license is for.
  • Product Key: The key the license was generated from.
  • License Source: Where the license was found (e.g., RuntimeLicense, License File).
  • License Type: The type of license installed (e.g., Royalty Free, Single Server).
ProcessIdleEvents:   Whether the class uses its internal event loop to process events when the main thread is idle.

If set to False, the class will not fire internal idle events. Set this to False to use the class in a background thread on Mac OS. By default, this setting is True.

SelectWaitMillis:   The length of time in milliseconds the class will wait when DoEvents is called if there are no events to process.

If there are no events to process when do_events is called, the class will wait for the amount of time specified here before returning. The default value is 20.

UseInternalSecurityAPI:   Tells the class whether or not to use the system security libraries or an internal implementation.

By default the class will use the system security libraries to perform cryptographic functions. Setting this to True tells the class to use the internal implementation instead of using the system's security API.

LDAP Errors

LDAP Errors

118   Firewall Error. Error message contains detailed description.
301   Index out of range.
331   Bad attribute index.
334   Busy executing current method.
335   Error in search filter.
336   Protocol error.

The class may also return one of the following error codes, which are inherited from other classes.

IPPort Errors

100   You cannot change the remote_port at this time. A connection is in progress.
101   You cannot change the remote_host (Server) at this time. A connection is in progress.
102   The remote_host address is invalid (0.0.0.0).
104   Already connected. If you want to reconnect, close the current connection first.
106   You cannot change the local_port at this time. A connection is in progress.
107   You cannot change the local_host at this time. A connection is in progress.
112   You cannot change MaxLineLength at this time. A connection is in progress.
116   remote_port cannot be zero. Please specify a valid service port number.
117   Cannot change UseConnection option while the class is Active.
135   Operation would block.
201   Timeout.
211   Action impossible in control's present state.
212   Action impossible while not connected.
213   Action impossible while listening.
301   Timeout.
302   Could not open file.
434   Unable to convert string to selected CodePage
1105   Already connecting. If you want to reconnect, close the current connection first.
1117   You need to connect first.
1119   You cannot change the LocalHost at this time. A connection is in progress.
1120   Connection dropped by remote host.

SSL Errors

270   Cannot load specified security library.
271   Cannot open certificate store.
272   Cannot find specified certificate.
273   Cannot acquire security credentials.
274   Cannot find certificate chain.
275   Cannot verify certificate chain.
276   Error during handshake.
280   Error verifying certificate.
281   Could not find client certificate.
282   Could not find server certificate.
283   Error encrypting data.
284   Error decrypting data.

TCP/IP Errors

10004   [10004] Interrupted system call.
10009   [10009] Bad file number.
10013   [10013] Access denied.
10014   [10014] Bad address.
10022   [10022] Invalid argument.
10024   [10024] Too many open files.
10035   [10035] Operation would block.
10036   [10036] Operation now in progress.
10037   [10037] Operation already in progress.
10038   [10038] Socket operation on non-socket.
10039   [10039] Destination address required.
10040   [10040] Message too long.
10041   [10041] Protocol wrong type for socket.
10042   [10042] Bad protocol option.
10043   [10043] Protocol not supported.
10044   [10044] Socket type not supported.
10045   [10045] Operation not supported on socket.
10046   [10046] Protocol family not supported.
10047   [10047] Address family not supported by protocol family.
10048   [10048] Address already in use.
10049   [10049] Can't assign requested address.
10050   [10050] Network is down.
10051   [10051] Network is unreachable.
10052   [10052] Net dropped connection or reset.
10053   [10053] Software caused connection abort.
10054   [10054] Connection reset by peer.
10055   [10055] No buffer space available.
10056   [10056] Socket is already connected.
10057   [10057] Socket is not connected.
10058   [10058] Can't send after socket shutdown.
10059   [10059] Too many references, can't splice.
10060   [10060] Connection timed out.
10061   [10061] Connection refused.
10062   [10062] Too many levels of symbolic links.
10063   [10063] File name too long.
10064   [10064] Host is down.
10065   [10065] No route to host.
10066   [10066] Directory not empty
10067   [10067] Too many processes.
10068   [10068] Too many users.
10069   [10069] Disc Quota Exceeded.
10070   [10070] Stale NFS file handle.
10071   [10071] Too many levels of remote in path.
10091   [10091] Network subsystem is unavailable.
10092   [10092] WINSOCK DLL Version out of range.
10093   [10093] Winsock not loaded yet.
11001   [11001] Host not found.
11002   [11002] Non-authoritative 'Host not found' (try again or check DNS setup).
11003   [11003] Non-recoverable errors: FORMERR, REFUSED, NOTIMP.
11004   [11004] Valid name, no data record (check DNS setup).

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IPWorks 2022 Python Edition - Version 22.0 [Build 8171]