SSHAuth Class
Properties Methods Events Config Settings Errors
The SSHAuth class provides a simple way to authenticate a user against an SSH server.
Syntax
class ipworksauth.SSHAuth
Remarks
The SSHAuth class offers a simply way to authenticate a user against an SSH server.
To begin specify the ssh_host, user, and password. Next call authenticate to authenticate the user.
The class supports multiple authentication methods including public key authentication, keyboard interactive authentication, password authentication, and more. Set auth_mode to the desired authentication mechanism before calling authenticate.
Property List
The following is the full list of the properties of the class with short descriptions. Click on the links for further details.
auth_mode | The authentication method to be used the class when calling Authenticate . |
firewall_auto_detect | This property tells the class whether or not to automatically detect and use firewall system settings, if available. |
firewall_type | This property determines the type of firewall to connect through. |
firewall_host | This property contains the name or IP address of firewall (optional). |
firewall_password | This property contains a password if authentication is to be used when connecting through the firewall. |
firewall_port | This property contains the transmission control protocol (TCP) port for the firewall Host . |
firewall_user | This property contains a user name if authentication is to be used connecting through a firewall. |
local_host | The name of the local host or user-assigned IP interface through which connections are initiated or accepted. |
local_port | The TCP port in the local host where the class binds. |
password | The password for SSH password-based authentication. |
ssh_accept_server_host_key_encoded | This is the certificate (PEM/base64 encoded). |
ssh_cert_encoded | This is the certificate (PEM/base64 encoded). |
ssh_cert_store | This is the name of the certificate store for the client certificate. |
ssh_cert_store_password | If the type of certificate store requires a password, this property is used to specify the password needed to open the certificate store. |
ssh_cert_store_type | This is the type of certificate store for this certificate. |
ssh_cert_subject | This is the subject of the certificate used for client authentication. |
ssh_encryption_algorithms | A comma-separated list containing all allowable encryption algorithms. |
ssh_host | The address of the SSH host. |
ssh_port | The port on the SSH server where the SSH service is running; by default, 22. |
timeout | A timeout for the class. |
user | The username for SSH authentication. |
Method List
The following is the full list of the methods of the class with short descriptions. Click on the links for further details.
authenticate | Authenticates the user. |
config | Sets or retrieves a configuration setting. |
do_events | Processes events from the internal message queue. |
interrupt | Interrupt the current method. |
reset | Resets the class. |
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_connected | This event is fired immediately after a connection completes (or fails). |
on_connection_status | This event is fired to indicate changes in the connection state. |
on_disconnected | This event is fired when a connection is closed. |
on_error | Information about errors during data delivery. |
on_log | Fires once for each log message. |
on_ssh_custom_auth | Fired when the class is doing custom authentication. |
on_ssh_keyboard_interactive | Fired when the class receives a request for user input from the server. |
on_ssh_server_authentication | Fired after the server presents its public key to the client. |
on_ssh_status | Shows the progress of the secure connection. |
Config Settings
The following is a list of config settings for the class with short descriptions. Click on the links for further details.
SSHCompressionAlgorithms | A comma-separated list containing all allowable compression algorithms. |
ClientSSHVersionString | The SSH version string used by the class. |
EnablePageantAuth | Whether to use a key stored in Pageant to perform client authentication. |
KerberosDelegation | If true, asks for credentials with delegation enabled during authentication. |
KerberosRealm | The fully qualified domain name of the Kerberos Realm to use for GSSAPI authentication. |
KerberosSPN | The Kerberos Service Principal Name of the SSH host. |
KeyRenegotiationThreshold | Sets the threshold for the SSH Key Renegotiation. |
LogLevel | Specifies the level of detail that is logged. |
MaxPacketSize | The maximum packet size of the channel, in bytes. |
MaxWindowSize | The maximum window size allowed for the channel, in bytes. |
PasswordPrompt | The text of the password prompt used in keyboard-interactive authentication. |
PreferredDHGroupBits | The size (in bits) of the preferred modulus (p) to request from the server. |
RecordLength | The length of received data records. |
ServerSSHVersionString | The remote host's SSH version string. |
SignedSSHCert | The CA signed client public key used when authenticating. |
SSHAcceptAnyServerHostKey | If set the class will accept any key presented by the server. |
SSHAcceptServerCAKey | The CA public key that signed the server's host key. |
SSHAcceptServerHostKeyFingerPrint | The fingerprint of the server key to accept. |
SSHFingerprintHashAlgorithm | The algorithm used to calculate the fingerprint. |
SSHFingerprintMD5 | The server hostkey's MD5 fingerprint. |
SSHFingerprintSHA1 | The server hostkey's SHA1 fingerprint. |
SSHFingerprintSHA256 | The server hostkey's SHA256 fingerprint. |
SSHKeepAliveCountMax | The maximum number of keep alive packets to send without a response. |
SSHKeepAliveInterval | The interval between keep alive packets. |
SSHKeyExchangeAlgorithms | Specifies the supported key exchange algorithms. |
SSHKeyRenegotiate | Causes the class to renegotiate the SSH keys. |
SSHMacAlgorithms | Specifies the supported Mac algorithms. |
SSHPubKeyAuthSigAlgorithms | Specifies the enabled signature algorithms that may be used when attempting public key authentication. |
SSHPublicKeyAlgorithms | Specifies the supported public key algorithms for the server's public key. |
SSHVersionPattern | The pattern used to match the remote host's version string. |
TryAllAvailableAuthMethods | If set to true, the class will try all available authentication methods. |
WaitForChannelClose | Whether to wait for channels to be closed before disconnected. |
WaitForServerDisconnect | Whether to wait for the server to close the connection. |
ConnectionTimeout | Sets a separate timeout value for establishing a connection. |
FirewallAutoDetect | Tells the class whether or not to automatically detect and use firewall system settings, if available. |
FirewallHost | Name or IP address of firewall (optional). |
FirewallPassword | Password to be used if authentication is to be used when connecting through the firewall. |
FirewallPort | The TCP port for the FirewallHost;. |
FirewallType | Determines the type of firewall to connect through. |
FirewallUser | A user name if authentication is to be used connecting through a firewall. |
KeepAliveInterval | The retry interval, in milliseconds, to be used when a TCP keep-alive packet is sent and no response is received. |
KeepAliveTime | The inactivity time in milliseconds before a TCP keep-alive packet is sent. |
Linger | When set to True, connections are terminated gracefully. |
LingerTime | Time in seconds to have the connection linger. |
LocalHost | The name of the local host through which connections are initiated or accepted. |
LocalPort | The port in the local host where the class binds. |
MaxLineLength | The maximum amount of data to accumulate when no EOL is found. |
MaxTransferRate | The transfer rate limit in bytes per second. |
ProxyExceptionsList | A semicolon separated list of hosts and IPs to bypass when using a proxy. |
TCPKeepAlive | Determines whether or not the keep alive socket option is enabled. |
TcpNoDelay | Whether or not to delay when sending packets. |
UseIPv6 | Whether to use IPv6. |
AbsoluteTimeout | Determines whether timeouts are inactivity timeouts or absolute timeouts. |
FirewallData | Used to send extra data to the firewall. |
InBufferSize | The size in bytes of the incoming queue of the socket. |
OutBufferSize | The size in bytes of the outgoing queue of the socket. |
BuildInfo | Information about the product's build. |
CodePage | The system code page used for Unicode to Multibyte translations. |
LicenseInfo | Information about the current license. |
MaskSensitive | Whether sensitive data is masked in log messages. |
ProcessIdleEvents | Whether the class uses its internal event loop to process events when the main thread is idle. |
SelectWaitMillis | The length of time in milliseconds the class will wait when DoEvents is called if there are no events to process. |
UseFIPSCompliantAPI | Tells the class whether or not to use FIPS certified APIs. |
UseInternalSecurityAPI | Tells the class whether or not to use the system security libraries or an internal implementation. |
auth_mode Property
The authentication method to be used the class when calling Authenticate .
Syntax
def get_auth_mode() -> int: ... def set_auth_mode(value: int) -> None: ...
auth_mode = property(get_auth_mode, set_auth_mode)
Default Value
2
Remarks
The SSH Authentication specification (RFC 4252) specifies multiple methods by which a user can be authenticated by an SSH server. When a call is made to authenticate, the class will connect to the SSH server and establish the security layer. After the connection has been secured, the client will send an authentication request to the ssh_host containing the user. The server will respond containing a list of methods by which that user may be authenticated.
The class will attempt to authenticate the user by one of those methods based on the value of auth_mode and other property values supplied by the user. Currently, the class supports the following authentication methods:
amNone (0) | No authentication will be performed. The current user value is ignored, and the connection will be logged in as anonymous. |
amMultiFactor (1) | This allows the class to attempt a multi-step authentication process. The class will send authentication data to the server based on the list of methods allowed for the current user and the authentication property values supplied. The class will continue to send authentication data until the server acknowledges authentication success. If the server rejects an authentication step, the class fails with an error. |
amPassword (2) | The class will use the values of user and password to authenticate the user. |
amPublicKey (3) | The class will use the values of user and the ssh_cert* properties to authenticate the user. the ssh_cert* properties must have a private key available for this authentication method to succeed. |
amKeyboardInteractive (4) | At the time of authentication, the class will fire the on_ssh_keyboard_interactive event containing instructions on how to complete the authentication step. (NOTE: amKeyboardInteractive is not supported in SSHTunnel). |
amGSSAPIWithMic (5) | This allows the class to attempt Kerberos authentication using the GSSAPI-WITH-MIC scheme. The client will try Kerberos authentication using the value of user (single sign-on), or if password is specified as well, it will try Kerberos authentication with alternate credentials. This is currently supported only in the .NET client. |
amCustom (6) | This allows the class caller to take over the authentication process completely. When amCustom is set, the class will fire the on_ssh_custom_auth event as necessary to complete the authentication process. |
Example (User/Password Auth):
Control.SSHAuthMode = SshauthSSHAuthModes.amPassword
Control.SSHUser = "username"
Control.SSHPassword = "password"
Control.SSHLogon("server", 22)
Example (Public Key Auth):
Control.SSHAuthMode = SshauthSSHAuthModes.amPublicKey
Control.SSHUser = "username"
Control.SSHCertStoreType = SSHCertStoreTypes.cstPFXFile;
Control.SSHCertStore = "cert.pfx";
Control.SSHCertStorePassword = "certpassword";
Control.SSHCertSubject = "*";
Control.SSHLogon("server", 22)
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 as follows:
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 transmission control protocol (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 transmission control protocol (TCP) port for the firewall firewall_host. See the description of the firewall_host property for details.
Note: 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.
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.
local_port Property
The TCP port in the local host where the class binds.
Syntax
def get_local_port() -> int: ... def set_local_port(value: int) -> None: ...
local_port = property(get_local_port, set_local_port)
Default Value
0
Remarks
This property 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 property to 0 (default) enables the system to choose an open port at random. The chosen port will be returned by the local_port property after the connection is established.
local_port cannot be changed once a connection is made. Any attempt to set this property when a connection is active will generate an error.
This property is useful when trying to connect to services that require a trusted port in the client side.
password Property
The password for SSH password-based authentication.
Syntax
def get_password() -> str: ... def set_password(value: str) -> None: ...
password = property(get_password, set_password)
Default Value
""
Remarks
Password specifies the password which is used to authenticate the client to the SSH server.
ssh_accept_server_host_key_encoded Property
This is the certificate (PEM/base64 encoded).
Syntax
def get_ssh_accept_server_host_key_encoded() -> bytes: ... def set_ssh_accept_server_host_key_encoded(value: bytes) -> None: ...
ssh_accept_server_host_key_encoded = property(get_ssh_accept_server_host_key_encoded, set_ssh_accept_server_host_key_encoded)
Default Value
""
Remarks
This is the certificate (PEM/base64 encoded). This property is used to assign a specific certificate. The ssh_accept_server_host_key_store and ssh_accept_server_host_key_subject properties also may be used to specify a certificate.
When ssh_accept_server_host_key_encoded is set, a search is initiated in the current ssh_accept_server_host_key_store for the private key of the certificate. If the key is found, ssh_accept_server_host_key_subject is updated to reflect the full subject of the selected certificate; otherwise, ssh_accept_server_host_key_subject is set to an empty string.
ssh_cert_encoded Property
This is the certificate (PEM/base64 encoded).
Syntax
def get_ssh_cert_encoded() -> bytes: ... def set_ssh_cert_encoded(value: bytes) -> None: ...
ssh_cert_encoded = property(get_ssh_cert_encoded, set_ssh_cert_encoded)
Default Value
""
Remarks
This is the certificate (PEM/base64 encoded). This property is used to assign a specific certificate. The ssh_cert_store and ssh_cert_subject properties also may be used to specify a certificate.
When ssh_cert_encoded is set, a search is initiated in the current ssh_cert_store for the private key of the certificate. If the key is found, ssh_cert_subject is updated to reflect the full subject of the selected certificate; otherwise, ssh_cert_subject is set to an empty string.
ssh_cert_store Property
This is the name of the certificate store for the client certificate.
Syntax
def get_ssh_cert_store() -> bytes: ... def set_ssh_cert_store(value: bytes) -> None: ...
ssh_cert_store = property(get_ssh_cert_store, set_ssh_cert_store)
Default Value
"MY"
Remarks
This is the name of the certificate store for the client certificate.
The ssh_cert_store_type property denotes the type of the certificate store specified by ssh_cert_store. If the store is password protected, specify the password in ssh_cert_store_password.
ssh_cert_store is used in conjunction with the ssh_cert_subject property to specify client certificates. If ssh_cert_store has a value, and ssh_cert_subject or ssh_cert_encoded is set, a search for a certificate is initiated. Please see the ssh_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:
MY | A certificate store holding personal certificates with their associated private keys. |
CA | Certifying authority certificates. |
ROOT | Root 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).
ssh_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_ssh_cert_store_password() -> str: ... def set_ssh_cert_store_password(value: str) -> None: ...
ssh_cert_store_password = property(get_ssh_cert_store_password, set_ssh_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.
ssh_cert_store_type Property
This is the type of certificate store for this certificate.
Syntax
def get_ssh_cert_store_type() -> int: ... def set_ssh_cert_store_type(value: int) -> None: ...
ssh_cert_store_type = property(get_ssh_cert_store_type, set_ssh_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). |
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. |
23 (cstPKCS11) | 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 cstPKCS11, 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 ssh_cert_store and set ssh_cert_store_password to the PIN. Code Example: SSH Authentication with Security Key
|
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. |
ssh_cert_subject Property
This is the subject of the certificate used for client authentication.
Syntax
def get_ssh_cert_subject() -> str: ... def set_ssh_cert_subject(value: str) -> None: ...
ssh_cert_subject = property(get_ssh_cert_subject, set_ssh_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.
Field | Meaning |
CN | Common Name. This is commonly a host name like www.server.com. |
O | Organization |
OU | Organizational Unit |
L | Locality |
S | State |
C | Country |
E | Email Address |
If a field value contains a comma it must be quoted.
ssh_encryption_algorithms Property
A comma-separated list containing all allowable encryption algorithms.
Syntax
def get_ssh_encryption_algorithms() -> str: ... def set_ssh_encryption_algorithms(value: str) -> None: ...
ssh_encryption_algorithms = property(get_ssh_encryption_algorithms, set_ssh_encryption_algorithms)
Default Value
"aes256-ctr,aes192-ctr,aes128-ctr,aes256-cbc,aes192-cbc,aes128-cbc,3des-ctr,3des-cbc,blowfish-cbc,arcfour256,arcfour128,arcfour,cast128-cbc,aes256-gcm@openssh.com,aes128-gcm@openssh.com,chacha20-poly1305@openssh.com"
Remarks
During the SSH handshake, this list will be used to negotiate the encryption algorithm to be used between the client and server. This list is used for both directions: client to server and server to client. When negotiating algorithms, each side sends a list of all algorithms it supports or allows. The algorithm chosen for each direction is the first algorithm to appear in the sender's list that the receiver supports, so it is important to list multiple algorithms in preferential order. If no algorithm can be agreed upon, the class will raise an error and the connection will be aborted.
At least one supported algorithm must appear in this list. The following encryption algorithms are supported by the class:
aes256-ctr | 256-bit AES encryption in CTR mode |
aes256-cbc | 256-bit AES encryption in CBC mode |
aes192-ctr | 192-bit AES encryption in CTR mode |
aes192-cbc | 192-bit AES encryption in CBC mode |
aes128-ctr | 128-bit AES encryption in CTR mode |
aes128-cbc | 128-bit AES encryption in CBC mode |
3des-ctr | 192-bit (3-key) triple DES encryption in CTR mode |
3des-cbc | 192-bit (3-key) triple DES encryption in CBC mode |
cast128-cbc | CAST-128 encryption |
blowfish-cbc | Blowfish encryption |
arcfour | ARC4 encryption |
arcfour128 | 128-bit ARC4 encryption |
arcfour256 | 256-bit ARC4 encryption |
aes256-gcm@openssh.com | 256-bit AES encryption in GCM mode. |
aes128-gcm@openssh.com | 128-bit AES encryption in GCM mode. |
chacha20-poly1305@openssh.com | ChaCha20 with Poly1305-AES encryption. |
ssh_host Property
The address of the SSH host.
Syntax
def get_ssh_host() -> str: ... def set_ssh_host(value: str) -> None: ...
ssh_host = property(get_ssh_host, set_ssh_host)
Default Value
""
Remarks
The ssh_host property specifies the IP address (IP number in dotted internet format) or Domain Name of the remote host. It is set before a connection is attempted and cannot be changed once a connection is established.
If the ssh_host property is set to a Domain Name, a DNS request is initiated, and upon successful termination of the request, the ssh_host property is set to the corresponding address. If the search is not successful, an error is returned.
The ssh_host must be the same host that will be assumed for SSH as for the remote service being connected to.
ssh_port Property
The port on the SSH server where the SSH service is running; by default, 22.
Syntax
def get_ssh_port() -> int: ... def set_ssh_port(value: int) -> None: ...
ssh_port = property(get_ssh_port, set_ssh_port)
Default Value
22
Remarks
The ssh_port specifies a service port on the SSH host to connect to.
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.
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.
user Property
The username for SSH authentication.
Syntax
def get_user() -> str: ... def set_user(value: str) -> None: ...
user = property(get_user, set_user)
Default Value
""
Remarks
User specifies the username which is used to authenticate the client to the SSH server. This property is required.
Example (User/Password Auth):
Control.SSHAuthMode = SshauthSSHAuthModes.amPassword
Control.SSHUser = "username"
Control.SSHPassword = "password"
Control.SSHLogon("server", 22)
Example (Public Key Auth):
Control.SSHAuthMode = SshauthSSHAuthModes.amPublicKey
Control.SSHUser = "username"
Control.SSHCertStoreType = SSHCertStoreTypes.cstPFXFile;
Control.SSHCertStore = "cert.pfx";
Control.SSHCertStorePassword = "certpassword";
Control.SSHCertSubject = "*";
Control.SSHLogon("server", 22)
authenticate Method
Authenticates the user.
Syntax
def authenticate() -> None: ...
Remarks
This method authenticates the user against the ssh_host. If authentication succeeds this method returns without error. If authentication fails, or an error is encountered, the class fails with an error.
The following common properties are applicable when calling this method:
- user (required)
- password (required for password authentication)
- ssh_cert (required for public key authentication)
- ssh_host (required)
- ssh_port
- auth_mode
- ssh_encryption_algorithms
Keyboard interactive authentication is handled through the on_ssh_keyboard_interactive event.
config Method
Sets or retrieves a configuration setting.
Syntax
def config(configuration_string: str) -> str: ...
Remarks
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 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.
do_events Method
Processes events from the internal message queue.
Syntax
def do_events() -> None: ...
Remarks
When 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.
interrupt Method
Interrupt the current method.
Syntax
def interrupt() -> None: ...
Remarks
If there is no method in progress, interrupt simply returns, doing nothing.
reset Method
Resets the class.
Syntax
def reset() -> None: ...
Remarks
When called, the class will reset all of its properties to their default values.
on_connected Event
This event is fired immediately after a connection completes (or fails).
Syntax
class SSHAuthConnectedEventParams(object): @property def status_code() -> int: ... @property def description() -> str: ... # In class SSHAuth: @property def on_connected() -> Callable[[SSHAuthConnectedEventParams], None]: ... @on_connected.setter def on_connected(event_hook: Callable[[SSHAuthConnectedEventParams], 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 Transmission Control Protocol (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
This event is fired to indicate changes in the connection state.
Syntax
class SSHAuthConnectionStatusEventParams(object): @property def connection_event() -> str: ... @property def status_code() -> int: ... @property def description() -> str: ... # In class SSHAuth: @property def on_connection_status() -> Callable[[SSHAuthConnectionStatusEventParams], None]: ... @on_connection_status.setter def on_connection_status(event_hook: Callable[[SSHAuthConnectionStatusEventParams], None]) -> None: ...
Remarks
The on_connection_status event is fired when the connection state changes: for example, completion of a firewall or proxy connection or completion of a security handshake.
The ConnectionEvent parameter indicates the type of connection event. Values may include the following:
Firewall connection complete. | |
Secure Sockets Layer (SSL) or S/Shell handshake complete (where applicable). | |
Remote host connection complete. | |
Remote host disconnected. | |
SSL or S/Shell connection broken. | |
Firewall host disconnected. |
on_disconnected Event
This event is fired when a connection is closed.
Syntax
class SSHAuthDisconnectedEventParams(object): @property def status_code() -> int: ... @property def description() -> str: ... # In class SSHAuth: @property def on_disconnected() -> Callable[[SSHAuthDisconnectedEventParams], None]: ... @on_disconnected.setter def on_disconnected(event_hook: Callable[[SSHAuthDisconnectedEventParams], 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 Transmission Control Protocol (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 SSHAuthErrorEventParams(object): @property def error_code() -> int: ... @property def description() -> str: ... # In class SSHAuth: @property def on_error() -> Callable[[SSHAuthErrorEventParams], None]: ... @on_error.setter def on_error(event_hook: Callable[[SSHAuthErrorEventParams], 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_log Event
Fires once for each log message.
Syntax
class SSHAuthLogEventParams(object): @property def log_level() -> int: ... @property def message() -> str: ... @property def log_type() -> str: ... # In class SSHAuth: @property def on_log() -> Callable[[SSHAuthLogEventParams], None]: ... @on_log.setter def on_log(event_hook: Callable[[SSHAuthLogEventParams], None]) -> None: ...
Remarks
This event fires once for each log messages generated by the class. The verbosity is controlled by the LogLevel setting.
LogLevel indicates the detail level of the message. Possible values are:
0 (None) | No messages are logged. |
1 (Info - Default) | Informational events such as SSH handshake messages are logged. |
2 (Verbose) | Detailed data such as individual packet information is logged. |
3 (Debug) | Debug data including all relevant sent and received bytes are logged. |
Message is the log message.
LogType is reserved for future use.
on_ssh_custom_auth Event
Fired when the class is doing custom authentication.
Syntax
class SSHAuthSSHCustomAuthEventParams(object): @property def packet() -> str: ... @packet.setter def packet(value) -> None: ... # In class SSHAuth: @property def on_ssh_custom_auth() -> Callable[[SSHAuthSSHCustomAuthEventParams], None]: ... @on_ssh_custom_auth.setter def on_ssh_custom_auth(event_hook: Callable[[SSHAuthSSHCustomAuthEventParams], None]) -> None: ...
Remarks
on_ssh_custom_auth is fired during the user authentication stage of the SSH logon process if ssh_auth_mode is set to amCustom. Packet contains the raw last SSH packet sent by the server, in HEX-encoded format.
The client should create a new raw SSH packet to send to the server and set Packet to the HEX-encoded representation of the packet to send.
In all cases, Packet will start with the message type field.
To read the incoming packet call decode_packet and then use the get_ssh_param and get_ssh_param_bytes methods. To create a packet use the set_ssh_param method and then call encode_packet to obtain a HEX-encoded value and assign this to the Packet parameter.
on_ssh_keyboard_interactive Event
Fired when the class receives a request for user input from the server.
Syntax
class SSHAuthSSHKeyboardInteractiveEventParams(object): @property def name() -> str: ... @property def instructions() -> str: ... @property def prompt() -> str: ... @property def response() -> str: ... @response.setter def response(value) -> None: ... @property def echo_response() -> bool: ... # In class SSHAuth: @property def on_ssh_keyboard_interactive() -> Callable[[SSHAuthSSHKeyboardInteractiveEventParams], None]: ... @on_ssh_keyboard_interactive.setter def on_ssh_keyboard_interactive(event_hook: Callable[[SSHAuthSSHKeyboardInteractiveEventParams], None]) -> None: ...
Remarks
on_ssh_keyboard_interactive is fired during the user authentication stage of the SSH logon process. During authentication, the class will request a list of available authentication methods for the ssh_user. For example, if the ssh_host responds with "keyboard-interactive", the class will fire this event to allow the client application to set the password.
During authentication, the SSH server may respond with a request for the user's authentication information. Name is a server-provided value associated with the authentication method such as "CRYPTOCard Authentication". Instructions will contain specific instructions, also supplied by the server, for how the user should respond.
Along with these values, the server will also send at least one input Prompt to be displayed to and filled out by the user. Response should be set to the user's input, and will be sent back in the user authentication information response. EchoResponse is a server recommendation for whether or not the user's response should be echoed back during input.
Note: the server may send several prompts in a single packet. The class will fire the on_ssh_keyboard_interactive event once for each prompt.
on_ssh_server_authentication Event
Fired after the server presents its public key to the client.
Syntax
class SSHAuthSSHServerAuthenticationEventParams(object): @property def host_key() -> bytes: ... @property def fingerprint() -> str: ... @property def key_algorithm() -> str: ... @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 SSHAuth: @property def on_ssh_server_authentication() -> Callable[[SSHAuthSSHServerAuthenticationEventParams], None]: ... @on_ssh_server_authentication.setter def on_ssh_server_authentication(event_hook: Callable[[SSHAuthSSHServerAuthenticationEventParams], None]) -> None: ...
Remarks
This event is where the client can decide whether to continue with the connection process or not. If the public key is known to be a valid key for the SSH server, Accept should be set to True within the event. Otherwise, the server will not be authenticated and the connection will be broken.
Accept will be True only if either HostKey or Fingerprint is identical to the value of ssh_accept_server_host_key.
Accept may be set to True manually to accept the server host key.
Note that SSH's security inherently relies on client verification of the host key. Ignoring the host key and always setting Accept to true is strongly discouraged, and could cause potentially serious security vulnerabilities in your application. It is recommended that clients maintain a list of known keys for each server and check HostKey against this list each time a connection is attempted.
Host Key contains the full binary text of the key, in the same format used internally by SSH.
Fingerprint holds the SHA-256 hash of HostKey in the hex-encoded form: 0a:1b:2c:3d. To configure the hash algorithm used to calculate this value see SSHFingerprintHashAlgorithm.
KeyAlgorithm identifies the host key algorithm. Supported values are:
- ssh-rsa
- ssh-dss
- rsa-sha2-256
- rsa-sha2-512
- x509v3-sign-rsa
- x509v3-sign-dss
- ecdsa-sha2-nistp256
- ecdsa-sha2-nistp384
- ecdsa-sha2-nistp521
CertSubject is the subject of the certificate. This is only applicable when KeyAlgorithm is "x509v3-sign-rsa" or "x509v3-sign-dss".
CertIssuer is the issuer of the certificate. This is only applicable when KeyAlgorithm is "x509v3-sign-rsa" or "x509v3-sign-dss".
Status is reserved for future use.
on_ssh_status Event
Shows the progress of the secure connection.
Syntax
class SSHAuthSSHStatusEventParams(object): @property def message() -> str: ... # In class SSHAuth: @property def on_ssh_status() -> Callable[[SSHAuthSSHStatusEventParams], None]: ... @on_ssh_status.setter def on_ssh_status(event_hook: Callable[[SSHAuthSSHStatusEventParams], None]) -> None: ...
Remarks
The event is fired for informational and logging purposes only. Used to track the progress of the connection.
SSHAuth Config Settings
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.SSHAuth Config Settings | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SSHCompressionAlgorithms:
A comma-separated list containing all allowable compression algorithms.During the SSH handshake, this list will be used to negotiate the compression
algorithm to be used between the client and server.
This list is used for both directions: client to server and server to client.
When negotiating algorithms, each side sends a list of all algorithms it
supports or allows. The algorithm chosen for each direction is the first
algorithm to appear in the sender's list that the receiver supports, so it is
important to list multiple algorithms in preferential order. If no algorithm
can be agreed upon, the class will raise an error and the connection
will be aborted.
At least one supported algorithm must appear in this list. The following compression algorithms are supported by the class:
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SSHClient Config Settings | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ClientSSHVersionString: The SSH version string used by the class.This configuration setting specifies the SSH version string used by the class. The default value is "SSH-2.0-IPWorks SSH Client 2022". | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
EnablePageantAuth:
Whether to use a key stored in Pageant to perform client authentication.This setting controls whether Pageant authentication is disabled, enabled, or required. When enabled or required, the class attempts to communicate with PuTTY's ssh-agent, called "Pageant", over shared memory to perform public key authentication. Possible values and the corresponding behavior is described below:
Example enabling Pageant:
Note: This functionality is only available on Windows. |
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KerberosDelegation: If true, asks for credentials with delegation enabled during authentication.The default value is "True". If set to "False", the client will not ask for credentials delegation support during authentication. Note that even if the client asks for delegation, the server/KDC might not grant it and authentication will still succeed. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
KerberosRealm: The fully qualified domain name of the Kerberos Realm to use for GSSAPI authentication.This property may be set to the fully qualified (DNS) name of the kerberos realm (or Windows Active Directory domain name) to use during GSSAPI authentication. This can be used to force authentication with a given realm if the client and server machines are not part of the same domain. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
KerberosSPN: The Kerberos Service Principal Name of the SSH host.This property can be set to specify the Service Principal Name (SPN) associated with the SSH service on the remote host. This will usually be in the form "host/fqdn.of.sshhost[@REALM]". If not specified, the class will assume the SPN is based on the value of the ssh_host property and the kerberos realm used for authentication. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
KeyRenegotiationThreshold:
Sets the threshold for the SSH Key Renegotiation.This property allows you to specify the threshold, in the number of bytes, for the SSH Key Renegotiation.
The default value for this property is set to 1 GB.
Example (for setting the threshold to 500 MB):
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LogLevel:
Specifies the level of detail that is logged.This setting controls the level of detail that is logged through the on_log event. Possible values are:
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MaxPacketSize: The maximum packet size of the channel, in bytes.This setting specifies the maximum size of an individual data packet, in bytes, that can be sent to the sender. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
MaxWindowSize: The maximum window size allowed for the channel, in bytes.This setting specifies how many bytes of channel data can be sent to the sender of this message without adjusting the window. Note that this value may be changed during the connection, but the window size can only be increased, not decreased. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PasswordPrompt:
The text of the password prompt used in keyboard-interactive authentication.This setting optionally specifies a pattern to be matched to the prompt received from the server
during keyboard-interactive authentication. If a matching prompt is detected the class
automatically responds to the prompt with the password specified by ssh_password.
This provides an easy way to automatically reply to prompts with the password if one is presented by the server. The password will be auto-filled in the Response parameter of the on_ssh_keyboard_interactive event in the case of a match. The following special characters are supported for pattern matching:
If these characters need to be used as a literal in a pattern, then they must be escaped by surrounding them with brackets []. Note: "]" and "-" do not need to be escaped. See below for the escape sequences:
For example, to match the value [Something].txt, specify the pattern [[]Something].txt. |
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PreferredDHGroupBits: The size (in bits) of the preferred modulus (p) to request from the server.This may be when using the diffie-hellman-group-exchange-sha1 or diffie-hellman-group-exchange-sha256 key exchange algorithms to control the preferred size, in bits, of the modulus (p) prime number to request from the server. Acceptable values are between 1024 and 8192. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
RecordLength:
The length of received data records.If set to a positive value, this setting defines the length of data records to be received. The class will accumulate data
until RecordLength is reached and only then fire the on_data_in event with data of length RecordLength.
This allows data to be received as records of known length. This value can be changed at any time, including within the on_data_in event.
The default value is 0, meaning this setting is not used. |
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ServerSSHVersionString: The remote host's SSH version string.This will return the remote host's SSH version string, which can help when identifying problematic servers. This configuration setting is read-only. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SignedSSHCert:
The CA signed client public key used when authenticating.When authenticating via public key authentication this setting may be set to the CA signed client's public key.
This is useful when the server has been configured to trust client keys signed by a particular CA. For instance:
component.Config("SignedSSHCert=ssh-rsa-cert-v01@openssh.com AAAAB3NzaC1yc2EAAAADAQABAAAB...");
The algorithm such as ssh-rsa-cert-v01@openssh.com in the above string is used as part of the authentication process. To use a different algorithm simply change this value. For instance all of the following are acceptable with the same signed public key:
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SSHAcceptAnyServerHostKey: If set the class will accept any key presented by the server.The default value is "False". Set this to "True" to accept any key presented by the server. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SSHAcceptServerCAKey:
The CA public key that signed the server's host key.If the server's host key was signed by a CA, this setting may be used to specify the CA's public key. If specified
the class will trust any server's host key that was signed by the CA. For instance:
component.Config("SSHAcceptServerCAKey=ssh-rsa AAAAB3NzaC1yc2EAAAADAQAB...");
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SSHAcceptServerHostKeyFingerPrint:
The fingerprint of the server key to accept.This may be set to a comma-delimited collection of 16-byte MD5 fingerprints that should be accepted as the host's key. You may supply it by HEX
encoding the values in the form "0a:1b:2c:3d". Example:
SSHClient.Config("SSHAcceptServerHostKeyFingerprint=0a:1b:2c:3d");
If the server's fingerprint matches one of the values supplied, the class will accept the host key.
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SSHFingerprintHashAlgorithm:
The algorithm used to calculate the fingerprint.This configuration setting controls which hash algorithm is used to calculate the hostkey's fingerprint, displayed when on_ssh_server_authentication fires.
Valid values are:
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SSHFingerprintMD5: The server hostkey's MD5 fingerprint.This setting may be queried in on_ssh_server_authentication to get the server hostkey's MD5 fingerprint. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SSHFingerprintSHA1: The server hostkey's SHA1 fingerprint.This setting may be queried in on_ssh_server_authentication to get the server hostkey's SHA1 fingerprint. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SSHFingerprintSHA256: The server hostkey's SHA256 fingerprint.This setting may be queried in on_ssh_server_authentication to get the server hostkey's SHA256 fingerprint. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SSHKeepAliveCountMax: The maximum number of keep alive packets to send without a response.This setting specifies the maximum number of keep alive packets to send when no response is received. Normally a response to a keep alive packet is received right away. If no response is received the class will continue to send keep alive packets until SSHKeepAliveCountMax is reached. If this is reached the class will assume the connection is broken and disconnect. The default value is 5. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SSHKeepAliveInterval:
The interval between keep alive packets.This setting specifies the number of seconds between keep alive packets. If set to a positive value
the class will send a SSH keep alive packet after KeepAliveInterval seconds of inactivity.
This setting only takes effect when there is no activity, if any data is sent or received over the connection
it will reset the timer.
The default value is 0 meaning no keep alives will be sent. Note: The SSHREVERSETUNNEL class uses a default value of 30. |
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SSHKeyExchangeAlgorithms:
Specifies the supported key exchange algorithms.This may be used to specify the list of supported Key Exchange algorithms used during SSH negotiation. The value should contain
a comma separated list of algorithms. Supported algorithms are:
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SSHKeyRenegotiate:
Causes the component to renegotiate the SSH keys.Once this setting is set the component will renegotiate the SSH keys with the remote host.
Example:
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SSHMacAlgorithms:
Specifies the supported Mac algorithms.This may be used to specify an alternate list of supported Mac algorithms used during SSH negotiation. This also specifies the order in which the Mac algorithms are preferred.
The value should contain a comma separated list of algorithms. Supported algorithms are:
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SSHPubKeyAuthSigAlgorithms:
Specifies the enabled signature algorithms that may be used when attempting public key authentication.This setting specifies a list of signature algorithms that may be used when authenticating
to the server using public key authentication. This applies only when public key authentication
is performed by the client.
The setting should be a comma separated list of algorithms. At runtime the class will evaluate the specified algorithms and if the algorithm is applicable to the certificate specified in ssh_cert it will be used. If the algorithm is not applicable the class will evaluate the next algorithm. Possible values are:
The default value in Windows is ssh-rsa,rsa-sha2-256,rsa-sha2-512,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519. rsa-sha2-256 and rsa-sha2-512 notes The class will query the server for supported algorithms when connecting. If the server indicates support for rsa-sha2-256 or rsa-sha2-512 and the algorithm is present in the list defined by this setting (as in the default value), that algorithm will be used instead of ssh-rsa even when ssh-rsa appears first in the list. For the rsa-sha2-256 and rsa-sha2-512 algorithms to be automatically preferred the server must support the ext-info-c mechanism. In practice, older servers do not support this and in that case ssh-rsa will be used since it appears first in the list. Newer servers do support this mechanism and in that case rsa-sha2-256 or rsa-sha2-512 will be used even though it appears after ssh-rsa. This behavior has been carefully designed to provide maximum compatibility while automatically using more secure algorithms when connecting to servers which support them. |
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SSHPublicKeyAlgorithms:
Specifies the supported public key algorithms for the server's public key.
This setting specifies the allowed public key algorithms for the server's public key. This list controls only the public key
algorithm used when authenticating the server's public key. This list has no bearing on the public key algorithms
that can be used by the client when performing public key authentication to the server. The default value is ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,rsa-sha2-256,rsa-sha2-512,ssh-rsa,ssh-dss,x509v3-sign-rsa,x509v3-sign-dss.
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SSHVersionPattern:
The pattern used to match the remote host's version string.This configuration setting specifies the pattern used to accept or deny the remote host's SSH version string. It takes a comma-delimited list of patterns to match. The default value is "*SSH-1.99-*,*SSH-2.0-*" and will accept connections from SSH 1.99 and 2.0 hosts. As an example, the below value would accept connections for SSH 1.99, 2.0, and 2.99 hosts.
*SSH-1.99-*,*SSH-2.0-*,*SSH-2.99-* |
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TryAllAvailableAuthMethods: If set to true, the class will try all available authentication methods.The default value is False. When set to True, the class will try to authenticate using all methods that it has credentials for and the server supports. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
WaitForChannelClose:
Whether to wait for channels to be closed before disconnected.This setting controls whether the class will wait for a server response to the SSH_MSG_CHANNEL_CLOSE when disconnecting. When the class disconnects it will first attempt to close all open channels by sending a SSH_MSG_CHANNEL_CLOSE for each channel. This setting controls whether the class will wait for a server response after sending the messages.
When True (default) the class will wait for a response to the channel close message until the responses have been received, the server closes the connection, or timeout seconds is reached. When False the class will still send the channel close messages but will not wait for a response and will proceed to close the connection. |
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WaitForServerDisconnect:
Whether to wait for the server to close the connection.This setting controls whether to wait for the server to close the connection when ssh_logoff is called.
When set to True the class will initiate the disconnection sequence by sending SSH_MSG_DISCONNECT but will not close the connection, and instead will wait for the server to close the connection. Setting this to True may be beneficial in circumstances where many connections are being established, to avoid port exhaustion when sockets are in a TIME_WAIT state. Allowing the server to close the connection avoids the TIME_WAIT state of socket on the client machine. When set to False (default) the client will close the connection. It is recommended to use this value unless there is a specific need to change it. |
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TCPClient Config 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 configuration 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. |
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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. |
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FirewallPort:
The TCP port for the FirewallHost;.The FirewallPort is set automatically when FirewallType is set to a valid value.
Note: This configuration setting is provided for use by classs that do not directly expose Firewall properties. |
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FirewallType:
Determines the type of firewall to connect through.The appropriate values are as follows:
Note: This setting is provided for use by classs that do not directly expose Firewall properties. |
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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. |
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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 acknowledgment is received from the remote host, the keep-alive packet
will be sent again. This configuration 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. |
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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 Transmission Control Protocol (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), two scenarios determine how long the connection will linger. In the first, if LingerTime is 0 (default), the system will attempt to send pending data for a connection until the default IP timeout expires. In the second scenario, if 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 are 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 (e.g., by a client acknowledgment), setting this property to False might be the appropriate course of action. |
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LingerTime: Time in seconds to have the connection linger. LingerTime is the time, in seconds, the socket connection will linger. This value is 0 by default, which means it will use the default IP 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). |
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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. |
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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. |
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MaxTransferRate: The transfer rate limit in bytes per second.This configuration 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 configuration 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 |
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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. |
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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. |
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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:
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Socket Config 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. |
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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. |
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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. |
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Base Config 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:
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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:
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MaskSensitive:
Whether sensitive data is masked in log messages.In certain circumstances it may be beneficial to mask sensitive data, like passwords, in log messages. Set this to True to mask sensitive data. The default is False.
This setting only works on these classes: AS3Receiver, AS3Sender, Atom, Client(3DS), FTP, FTPServer, IMAP, OFTPClient, SSHClient, SCP, Server(3DS), Sexec, SFTP, SFTPServer, SSHServer, TCPClient, TCPServer. |
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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. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
UseFIPSCompliantAPI:
Tells the class whether or not to use FIPS certified APIs.When set to True, the class will utilize the underlying operating system's certified APIs. Java editions, regardless of OS, utilize Bouncy Castle FIPS, while all the other Windows editions make use of Microsoft security libraries.
FIPS mode can be enabled by setting the UseFIPSCompliantAPI configuration setting to True. This is a static setting which applies to all instances of all classes of the toolkit within the process. It is recommended to enable or disable this setting once before the component has been used to establish a connection. Enabling FIPS while an instance of the component is active and connected may result in unexpected behavior. For more details please see the FIPS 140-2 Compliance article. Note: This setting is only applicable on Windows. Note: Enabling FIPS-compliance requires a special license; please contact sales@nsoftware.com for details. |
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UseInternalSecurityAPI:
Tells the class whether or not to use the system security libraries or an internal implementation.
When set to False, the class will use the system security libraries by default to perform cryptographic functions where applicable.
Setting this setting to True tells the class to use the internal implementation instead of using the system security libraries. On Windows, this setting is set to False by default. On Linux/macOS, this setting is set to True by default. To use the system security libraries for Linux, OpenSSL support must be enabled. For more information on how to enable OpenSSL, please refer to the OpenSSL Notes section. |
SSHAuth Errors
The class may also return one of the following error codes, which are inherited from other classes.
TCPClient 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 You cannot change the 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. |
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). |