SysLog Class

Properties   Methods   Events   Config Settings   Errors  

The Syslog class is used to send and receive network system log packets.

Syntax

class ipworks.SysLog

Remarks

The Syslog class implements a lightweight BSD syslog client as specified in RFC 3164 (User Datagram Protocol [UDP]), RFC 5425 (Secure Sockets Layer/Transport Layer Security [SSL/TLS]), and RFC 6587 (Transmission Control Protocol [TCP]). The class is used to send and receive BSD system network logging packets.

The first step in using the Syslog class is to set local_host and local_port to the interface and port on which the host will be receiving syslog packets, and then call the activate method. For each packet, the class will parse the headers and message and fire a on_packet_in event.

Property List

---

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

Method List

---

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

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.

Config Settings

---

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

active Property

This property indicates whether the class is active.

Syntax

def get_active() -> bool: ...

active = property(get_active, None)

Default Value

FALSE

Remarks

This property indicates whether the class is currently active and can send or receive data. Use the activate and deactivate methods to control whether the class is active.

This property is read-only.

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

This 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 multihomed hosts (machines with more than one IP interface) setting LocalHost to the IP address of an interface will make the class initiate connections (or accept in the case of server classs) only through that interface. It is recommended to provide an IP address rather than a hostname when setting this property to ensure the desired interface is used.

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 multihomed 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

This property indicates the port in the local host where Syslog 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

514

Remarks

The local_port property must be set before Syslog is activated. It instructs the class to bind to a specific port (or communication endpoint) in the local machine.

Setting it to 0 enables the Transmission Control Protocol (TCP)/IP stack to choose a port at random. The chosen port will be shown by the local_port property after the connection is established.

local_port cannot be changed once the class is active. Any attempt to set the local_port property when the class is active will generate an error.

The local_port property is useful when trying to connect to services that require a trusted port in the client side.

remote_host Property

This property sets a specific host for outgoing log packets.

Syntax

def get_remote_host() -> str: ...
def set_remote_host(value: str) -> None: ...

remote_host = property(get_remote_host, set_remote_host)

Default Value

"255.255.255.255"

Remarks

When a call is made to the send_packet method, the class will send it to whatever value is in remote_host. The default value is the broadcast address, "255.255.255.255".

remote_port Property

This property sets a specific port for outgoing log packets.

Syntax

def get_remote_port() -> int: ...
def set_remote_port(value: int) -> None: ...

remote_port = property(get_remote_port, set_remote_port)

Default Value

514

Remarks

When a call is made to the send_packet method, the class will send to remote_host on remote_port. The default value is 514, the standard port as defined in the BSD syslog RFC 3164.

ssl_accept_server_cert_effective_date Property

The date on which this certificate becomes valid.

Syntax

def get_ssl_accept_server_cert_effective_date() -> str: ...

ssl_accept_server_cert_effective_date = property(get_ssl_accept_server_cert_effective_date, None)

Default Value

""

Remarks

The date on which this certificate becomes valid. Before this date, it is not valid. The date is localized to the system's time zone. The following example illustrates the format of an encoded date:

23-Jan-2000 15:00:00.

This property is read-only.

ssl_accept_server_cert_expiration_date Property

The date on which the certificate expires.

Syntax

def get_ssl_accept_server_cert_expiration_date() -> str: ...

ssl_accept_server_cert_expiration_date = property(get_ssl_accept_server_cert_expiration_date, None)

Default Value

""

Remarks

The date on which the certificate expires. After this date, the certificate will no longer be valid. The date is localized to the system's time zone. The following example illustrates the format of an encoded date:

23-Jan-2001 15:00:00.

This property is read-only.

ssl_accept_server_cert_extended_key_usage Property

A comma-delimited list of extended key usage identifiers.

Syntax

def get_ssl_accept_server_cert_extended_key_usage() -> str: ...

ssl_accept_server_cert_extended_key_usage = property(get_ssl_accept_server_cert_extended_key_usage, None)

Default Value

""

Remarks

A comma-delimited list of extended key usage identifiers. These are the same as ASN.1 object identifiers (OIDs).

This property is read-only.

ssl_accept_server_cert_fingerprint Property

The hex-encoded, 16-byte MD5 fingerprint of the certificate.

Syntax

def get_ssl_accept_server_cert_fingerprint() -> str: ...

ssl_accept_server_cert_fingerprint = property(get_ssl_accept_server_cert_fingerprint, None)

Default Value

""

Remarks

The hex-encoded, 16-byte MD5 fingerprint of the certificate. This property is primarily used for keys which do not have a corresponding X.509 public certificate, such as PEM keys that only contain a private key. It is commonly used for SSH keys.

The following example illustrates the format: bc:2a:72:af:fe:58:17:43:7a:5f:ba:5a:7c:90:f7:02

This property is read-only.

ssl_accept_server_cert_fingerprint_sha1 Property

The hex-encoded, 20-byte SHA-1 fingerprint of the certificate.

Syntax

def get_ssl_accept_server_cert_fingerprint_sha1() -> str: ...

ssl_accept_server_cert_fingerprint_sha1 = property(get_ssl_accept_server_cert_fingerprint_sha1, None)

Default Value

""

Remarks

The hex-encoded, 20-byte SHA-1 fingerprint of the certificate. This property is primarily used for keys which do not have a corresponding X.509 public certificate, such as PEM keys that only contain a private key. It is commonly used for SSH keys.

The following example illustrates the format: 30:7b:fa:38:65:83:ff:da:b4:4e:07:3f:17:b8:a4:ed:80:be:ff:84

This property is read-only.

ssl_accept_server_cert_fingerprint_sha256 Property

The hex-encoded, 32-byte SHA-256 fingerprint of the certificate.

Syntax

def get_ssl_accept_server_cert_fingerprint_sha256() -> str: ...

ssl_accept_server_cert_fingerprint_sha256 = property(get_ssl_accept_server_cert_fingerprint_sha256, None)

Default Value

""

Remarks

The hex-encoded, 32-byte SHA-256 fingerprint of the certificate. This property is primarily used for keys which do not have a corresponding X.509 public certificate, such as PEM keys that only contain a private key. It is commonly used for SSH keys.

The following example illustrates the format: 6a:80:5c:33:a9:43:ea:b0:96:12:8a:64:96:30:ef:4a:8a:96:86:ce:f4:c7:be:10:24:8e:2b:60:9e:f3:59:53

This property is read-only.

ssl_accept_server_cert_issuer Property

The issuer of the certificate.

Syntax

def get_ssl_accept_server_cert_issuer() -> str: ...

ssl_accept_server_cert_issuer = property(get_ssl_accept_server_cert_issuer, None)

Default Value

""

Remarks

The issuer of the certificate. This property contains a string representation of the name of the issuing authority for the certificate.

This property is read-only.

ssl_accept_server_cert_private_key Property

The private key of the certificate (if available).

Syntax

def get_ssl_accept_server_cert_private_key() -> str: ...

ssl_accept_server_cert_private_key = property(get_ssl_accept_server_cert_private_key, None)

Default Value

""

Remarks

The private key of the certificate (if available). The key is provided as PEM/Base64-encoded data.

Note: The ssl_accept_server_cert_private_key may be available but not exportable. In this case, ssl_accept_server_cert_private_key returns an empty string.

This property is read-only.

ssl_accept_server_cert_private_key_available Property

Whether a PrivateKey is available for the selected certificate.

Syntax

def get_ssl_accept_server_cert_private_key_available() -> bool: ...

ssl_accept_server_cert_private_key_available = property(get_ssl_accept_server_cert_private_key_available, None)

Default Value

FALSE

Remarks

Whether a ssl_accept_server_cert_private_key is available for the selected certificate. If ssl_accept_server_cert_private_key_available is True, the certificate may be used for authentication purposes (e.g., server authentication).

This property is read-only.

ssl_accept_server_cert_private_key_container Property

The name of the PrivateKey container for the certificate (if available).

Syntax

def get_ssl_accept_server_cert_private_key_container() -> str: ...

ssl_accept_server_cert_private_key_container = property(get_ssl_accept_server_cert_private_key_container, None)

Default Value

""

Remarks

The name of the ssl_accept_server_cert_private_key container for the certificate (if available). This functionality is available only on Windows platforms.

This property is read-only.

ssl_accept_server_cert_public_key Property

The public key of the certificate.

Syntax

def get_ssl_accept_server_cert_public_key() -> str: ...

ssl_accept_server_cert_public_key = property(get_ssl_accept_server_cert_public_key, None)

Default Value

""

Remarks

The public key of the certificate. The key is provided as PEM/Base64-encoded data.

This property is read-only.

ssl_accept_server_cert_public_key_algorithm Property

The textual description of the certificate's public key algorithm.

Syntax

def get_ssl_accept_server_cert_public_key_algorithm() -> str: ...

ssl_accept_server_cert_public_key_algorithm = property(get_ssl_accept_server_cert_public_key_algorithm, None)

Default Value

""

Remarks

The textual description of the certificate's public key algorithm. The property contains either the name of the algorithm (e.g., "RSA" or "RSA_DH") or an object identifier (OID) string representing the algorithm.

This property is read-only.

ssl_accept_server_cert_public_key_length Property

The length of the certificate's public key (in bits).

Syntax

def get_ssl_accept_server_cert_public_key_length() -> int: ...

ssl_accept_server_cert_public_key_length = property(get_ssl_accept_server_cert_public_key_length, None)

Default Value

0

Remarks

The length of the certificate's public key (in bits). Common values are 512, 1024, and 2048.

This property is read-only.

ssl_accept_server_cert_serial_number Property

The serial number of the certificate encoded as a string.

Syntax

def get_ssl_accept_server_cert_serial_number() -> str: ...

ssl_accept_server_cert_serial_number = property(get_ssl_accept_server_cert_serial_number, None)

Default Value

""

Remarks

The serial number of the certificate encoded as a string. The number is encoded as a series of hexadecimal digits, with each pair representing a byte of the serial number.

This property is read-only.

ssl_accept_server_cert_signature_algorithm Property

The text description of the certificate's signature algorithm.

Syntax

def get_ssl_accept_server_cert_signature_algorithm() -> str: ...

ssl_accept_server_cert_signature_algorithm = property(get_ssl_accept_server_cert_signature_algorithm, None)

Default Value

""

Remarks

The text description of the certificate's signature algorithm. The property contains either the name of the algorithm (e.g., "RSA" or "RSA_MD5RSA") or an object identifier (OID) string representing the algorithm.

This property is read-only.

ssl_accept_server_cert_store Property

The name of the certificate store for the client certificate.

Syntax

def get_ssl_accept_server_cert_store() -> bytes: ...
def set_ssl_accept_server_cert_store(value: bytes) -> None: ...

ssl_accept_server_cert_store = property(get_ssl_accept_server_cert_store, set_ssl_accept_server_cert_store)

Default Value

"MY"

Remarks

The name of the certificate store for the client certificate.

The ssl_accept_server_cert_store_type property denotes the type of the certificate store specified by ssl_accept_server_cert_store. If the store is password-protected, specify the password in ssl_accept_server_cert_store_password.

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

Designations of certificate stores are platform dependent.

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

When the certificate store type is cstPFXFile, this property must be set to the name of the file. When the type is cstPFXBlob, the property must be set to the binary contents of a PFX file (i.e., PKCS#12 certificate store).

ssl_accept_server_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_accept_server_cert_store_password() -> str: ...
def set_ssl_accept_server_cert_store_password(value: str) -> None: ...

ssl_accept_server_cert_store_password = property(get_ssl_accept_server_cert_store_password, set_ssl_accept_server_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_accept_server_cert_store_type Property

The type of certificate store for this certificate.

Syntax

def get_ssl_accept_server_cert_store_type() -> int: ...
def set_ssl_accept_server_cert_store_type(value: int) -> None: ...

ssl_accept_server_cert_store_type = property(get_ssl_accept_server_cert_store_type, set_ssl_accept_server_cert_store_type)

Default Value

0

Remarks

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:

ssl_accept_server_cert_subject_alt_names Property

Comma-separated lists of alternative subject names for the certificate.

Syntax

def get_ssl_accept_server_cert_subject_alt_names() -> str: ...

ssl_accept_server_cert_subject_alt_names = property(get_ssl_accept_server_cert_subject_alt_names, None)

Default Value

""

Remarks

Comma-separated lists of alternative subject names for the certificate.

This property is read-only.

ssl_accept_server_cert_thumbprint_md5 Property

The MD5 hash of the certificate.

Syntax

def get_ssl_accept_server_cert_thumbprint_md5() -> str: ...

ssl_accept_server_cert_thumbprint_md5 = property(get_ssl_accept_server_cert_thumbprint_md5, None)

Default Value

""

Remarks

The MD5 hash of the certificate. It is primarily used for X.509 certificates. If the hash does not already exist, it is automatically computed.

This property is read-only.

ssl_accept_server_cert_thumbprint_sha1 Property

The SHA-1 hash of the certificate.

Syntax

def get_ssl_accept_server_cert_thumbprint_sha1() -> str: ...

ssl_accept_server_cert_thumbprint_sha1 = property(get_ssl_accept_server_cert_thumbprint_sha1, None)

Default Value

""

Remarks

The SHA-1 hash of the certificate. It is primarily used for X.509 certificates. If the hash does not already exist, it is automatically computed.

This property is read-only.

ssl_accept_server_cert_thumbprint_sha256 Property

The SHA-256 hash of the certificate.

Syntax

def get_ssl_accept_server_cert_thumbprint_sha256() -> str: ...

ssl_accept_server_cert_thumbprint_sha256 = property(get_ssl_accept_server_cert_thumbprint_sha256, None)

Default Value

""

Remarks

The SHA-256 hash of the certificate. It is primarily used for X.509 certificates. If the hash does not already exist, it is automatically computed.

This property is read-only.

ssl_accept_server_cert_usage Property

The text description of UsageFlags .

Syntax

def get_ssl_accept_server_cert_usage() -> str: ...

ssl_accept_server_cert_usage = property(get_ssl_accept_server_cert_usage, None)

Default Value

""

Remarks

The text description of ssl_accept_server_cert_usage_flags.

This value will be one or more of the following strings and will be separated by commas:

• Digital Signature
• Non-Repudiation
• Key Encipherment
• Data Encipherment
• Key Agreement
• Certificate Signing
• CRL Signing
• Encipher Only

If the provider is OpenSSL, the value is a comma-separated list of X.509 certificate extension names.

This property is read-only.

ssl_accept_server_cert_usage_flags Property

The flags that show intended use for the certificate.

Syntax

def get_ssl_accept_server_cert_usage_flags() -> int: ...

ssl_accept_server_cert_usage_flags = property(get_ssl_accept_server_cert_usage_flags, None)

Default Value

0

Remarks

The flags that show intended use for the certificate. The value of ssl_accept_server_cert_usage_flags is a combination of the following flags:

Please see the ssl_accept_server_cert_usage property for a text representation of ssl_accept_server_cert_usage_flags.

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

This property is read-only.

ssl_accept_server_cert_version Property

The certificate's version number.

Syntax

def get_ssl_accept_server_cert_version() -> str: ...

ssl_accept_server_cert_version = property(get_ssl_accept_server_cert_version, None)

Default Value

""

Remarks

The certificate's version number. The possible values are the strings "V1", "V2", and "V3".

This property is read-only.

ssl_accept_server_cert_subject Property

The subject of the certificate used for client authentication.

Syntax

def get_ssl_accept_server_cert_subject() -> str: ...
def set_ssl_accept_server_cert_subject(value: str) -> None: ...

ssl_accept_server_cert_subject = property(get_ssl_accept_server_cert_subject, set_ssl_accept_server_cert_subject)

Default Value

""

Remarks

The subject of the certificate used for client authentication.

This property must be set after all other certificate properties are set. When this property is set, a search is performed in the current certificate store to locate a certificate with a 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 as follows:

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

ssl_accept_server_cert_encoded Property

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

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_authenticate_clients Property

If set to True, the server asks the client(s) for a certificate.

Syntax

def get_ssl_authenticate_clients() -> bool: ...
def set_ssl_authenticate_clients(value: bool) -> None: ...

ssl_authenticate_clients = property(get_ssl_authenticate_clients, set_ssl_authenticate_clients)

Default Value

FALSE

Remarks

This property is used in conjunction with the on_ssl_client_authentication event. Please refer to the documentation of the on_ssl_client_authentication event for details.

ssl_cert_effective_date Property

The date on which this certificate becomes valid.

Syntax

def get_ssl_cert_effective_date() -> str: ...

ssl_cert_effective_date = property(get_ssl_cert_effective_date, None)

Default Value

""

Remarks

The date on which this certificate becomes valid. Before this date, it is not valid. The date is localized to the system's time zone. The following example illustrates the format of an encoded date:

23-Jan-2000 15:00:00.

This property is read-only.

ssl_cert_expiration_date Property

The date on which the certificate expires.

Syntax

def get_ssl_cert_expiration_date() -> str: ...

ssl_cert_expiration_date = property(get_ssl_cert_expiration_date, None)

Default Value

""

Remarks

The date on which the certificate expires. After this date, the certificate will no longer be valid. The date is localized to the system's time zone. The following example illustrates the format of an encoded date:

23-Jan-2001 15:00:00.

This property is read-only.

ssl_cert_extended_key_usage Property

A comma-delimited list of extended key usage identifiers.

Syntax

def get_ssl_cert_extended_key_usage() -> str: ...

ssl_cert_extended_key_usage = property(get_ssl_cert_extended_key_usage, None)

Default Value

""

Remarks

A comma-delimited list of extended key usage identifiers. These are the same as ASN.1 object identifiers (OIDs).

This property is read-only.

ssl_cert_fingerprint Property

The hex-encoded, 16-byte MD5 fingerprint of the certificate.

Syntax

def get_ssl_cert_fingerprint() -> str: ...

ssl_cert_fingerprint = property(get_ssl_cert_fingerprint, None)

Default Value

""

Remarks

The hex-encoded, 16-byte MD5 fingerprint of the certificate. This property is primarily used for keys which do not have a corresponding X.509 public certificate, such as PEM keys that only contain a private key. It is commonly used for SSH keys.

The following example illustrates the format: bc:2a:72:af:fe:58:17:43:7a:5f:ba:5a:7c:90:f7:02

This property is read-only.

ssl_cert_fingerprint_sha1 Property

The hex-encoded, 20-byte SHA-1 fingerprint of the certificate.

Syntax

def get_ssl_cert_fingerprint_sha1() -> str: ...

ssl_cert_fingerprint_sha1 = property(get_ssl_cert_fingerprint_sha1, None)

Default Value

""

Remarks

The hex-encoded, 20-byte SHA-1 fingerprint of the certificate. This property is primarily used for keys which do not have a corresponding X.509 public certificate, such as PEM keys that only contain a private key. It is commonly used for SSH keys.

The following example illustrates the format: 30:7b:fa:38:65:83:ff:da:b4:4e:07:3f:17:b8:a4:ed:80:be:ff:84

This property is read-only.

ssl_cert_fingerprint_sha256 Property

The hex-encoded, 32-byte SHA-256 fingerprint of the certificate.

Syntax

def get_ssl_cert_fingerprint_sha256() -> str: ...

ssl_cert_fingerprint_sha256 = property(get_ssl_cert_fingerprint_sha256, None)

Default Value

""

Remarks

The hex-encoded, 32-byte SHA-256 fingerprint of the certificate. This property is primarily used for keys which do not have a corresponding X.509 public certificate, such as PEM keys that only contain a private key. It is commonly used for SSH keys.

The following example illustrates the format: 6a:80:5c:33:a9:43:ea:b0:96:12:8a:64:96:30:ef:4a:8a:96:86:ce:f4:c7:be:10:24:8e:2b:60:9e:f3:59:53

This property is read-only.

ssl_cert_issuer Property

The issuer of the certificate.

Syntax

def get_ssl_cert_issuer() -> str: ...

ssl_cert_issuer = property(get_ssl_cert_issuer, None)

Default Value

""

Remarks

The issuer of the certificate. This property contains a string representation of the name of the issuing authority for the certificate.

This property is read-only.

ssl_cert_private_key Property

The private key of the certificate (if available).

Syntax

def get_ssl_cert_private_key() -> str: ...

ssl_cert_private_key = property(get_ssl_cert_private_key, None)

Default Value

""

Remarks

The private key of the certificate (if available). The key is provided as PEM/Base64-encoded data.

Note: The ssl_cert_private_key may be available but not exportable. In this case, ssl_cert_private_key returns an empty string.

This property is read-only.

ssl_cert_private_key_available Property

Whether a PrivateKey is available for the selected certificate.

Syntax

def get_ssl_cert_private_key_available() -> bool: ...

ssl_cert_private_key_available = property(get_ssl_cert_private_key_available, None)

Default Value

FALSE

Remarks

Whether a ssl_cert_private_key is available for the selected certificate. If ssl_cert_private_key_available is True, the certificate may be used for authentication purposes (e.g., server authentication).

This property is read-only.

ssl_cert_private_key_container Property

The name of the PrivateKey container for the certificate (if available).

Syntax

def get_ssl_cert_private_key_container() -> str: ...

ssl_cert_private_key_container = property(get_ssl_cert_private_key_container, None)

Default Value

""

Remarks

The name of the ssl_cert_private_key container for the certificate (if available). This functionality is available only on Windows platforms.

This property is read-only.

ssl_cert_public_key Property

The public key of the certificate.

Syntax

def get_ssl_cert_public_key() -> str: ...

ssl_cert_public_key = property(get_ssl_cert_public_key, None)

Default Value

""

Remarks

The public key of the certificate. The key is provided as PEM/Base64-encoded data.

This property is read-only.

ssl_cert_public_key_algorithm Property

The textual description of the certificate's public key algorithm.

Syntax

def get_ssl_cert_public_key_algorithm() -> str: ...

ssl_cert_public_key_algorithm = property(get_ssl_cert_public_key_algorithm, None)

Default Value

""

Remarks

The textual description of the certificate's public key algorithm. The property contains either the name of the algorithm (e.g., "RSA" or "RSA_DH") or an object identifier (OID) string representing the algorithm.

This property is read-only.

ssl_cert_public_key_length Property

The length of the certificate's public key (in bits).

Syntax

def get_ssl_cert_public_key_length() -> int: ...

ssl_cert_public_key_length = property(get_ssl_cert_public_key_length, None)

Default Value

0

Remarks

The length of the certificate's public key (in bits). Common values are 512, 1024, and 2048.

This property is read-only.

ssl_cert_serial_number Property

The serial number of the certificate encoded as a string.

Syntax

def get_ssl_cert_serial_number() -> str: ...

ssl_cert_serial_number = property(get_ssl_cert_serial_number, None)

Default Value

""

Remarks

The serial number of the certificate encoded as a string. The number is encoded as a series of hexadecimal digits, with each pair representing a byte of the serial number.

This property is read-only.

ssl_cert_signature_algorithm Property

The text description of the certificate's signature algorithm.

Syntax

def get_ssl_cert_signature_algorithm() -> str: ...

ssl_cert_signature_algorithm = property(get_ssl_cert_signature_algorithm, None)

Default Value

""

Remarks

The text description of the certificate's signature algorithm. The property contains either the name of the algorithm (e.g., "RSA" or "RSA_MD5RSA") or an object identifier (OID) string representing the algorithm.

This property is read-only.

ssl_cert_store Property

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

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

When the certificate store type is cstPFXFile, this property must be set to the name of the file. When the type is cstPFXBlob, the property must be set to the binary contents of a PFX file (i.e., PKCS#12 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

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

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:

ssl_cert_subject_alt_names Property

Comma-separated lists of alternative subject names for the certificate.

Syntax

def get_ssl_cert_subject_alt_names() -> str: ...

ssl_cert_subject_alt_names = property(get_ssl_cert_subject_alt_names, None)

Default Value

""

Remarks

Comma-separated lists of alternative subject names for the certificate.

This property is read-only.

ssl_cert_thumbprint_md5 Property

The MD5 hash of the certificate.

Syntax

def get_ssl_cert_thumbprint_md5() -> str: ...

ssl_cert_thumbprint_md5 = property(get_ssl_cert_thumbprint_md5, None)

Default Value

""

Remarks

The MD5 hash of the certificate. It is primarily used for X.509 certificates. If the hash does not already exist, it is automatically computed.

This property is read-only.

ssl_cert_thumbprint_sha1 Property

The SHA-1 hash of the certificate.

Syntax

def get_ssl_cert_thumbprint_sha1() -> str: ...

ssl_cert_thumbprint_sha1 = property(get_ssl_cert_thumbprint_sha1, None)

Default Value

""

Remarks

The SHA-1 hash of the certificate. It is primarily used for X.509 certificates. If the hash does not already exist, it is automatically computed.

This property is read-only.

ssl_cert_thumbprint_sha256 Property

The SHA-256 hash of the certificate.

Syntax

def get_ssl_cert_thumbprint_sha256() -> str: ...

ssl_cert_thumbprint_sha256 = property(get_ssl_cert_thumbprint_sha256, None)

Default Value

""

Remarks

The SHA-256 hash of the certificate. It is primarily used for X.509 certificates. If the hash does not already exist, it is automatically computed.

This property is read-only.

ssl_cert_usage Property

The text description of UsageFlags .

Syntax

def get_ssl_cert_usage() -> str: ...

ssl_cert_usage = property(get_ssl_cert_usage, None)

Default Value

""

Remarks

The text description of ssl_cert_usage_flags.

This value will be one or more of the following strings and will be separated by commas:

• Digital Signature
• Non-Repudiation
• Key Encipherment
• Data Encipherment
• Key Agreement
• Certificate Signing
• CRL Signing
• Encipher Only

If the provider is OpenSSL, the value is a comma-separated list of X.509 certificate extension names.

This property is read-only.

ssl_cert_usage_flags Property

The flags that show intended use for the certificate.

Syntax

def get_ssl_cert_usage_flags() -> int: ...

ssl_cert_usage_flags = property(get_ssl_cert_usage_flags, None)

Default Value

0

Remarks

The flags that show intended use for the certificate. The value of ssl_cert_usage_flags is a combination of the following flags:

Please see the ssl_cert_usage property for a text representation of ssl_cert_usage_flags.

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

This property is read-only.

ssl_cert_version Property

The certificate's version number.

Syntax

def get_ssl_cert_version() -> str: ...

ssl_cert_version = property(get_ssl_cert_version, None)

Default Value

""

Remarks

The certificate's version number. The possible values are the strings "V1", "V2", and "V3".

This property is read-only.

ssl_cert_subject Property

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

The subject of the certificate used for client authentication.

This property must be set after all other certificate properties are set. When this property is set, a search is performed in the current certificate store to locate a certificate with a 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 as follows:

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

ssl_cert_encoded Property

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

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_enabled Property

This property indicates whether Secure Sockets Layer/Transport Layer Security (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.

Note: TLS/SSL can be used only when use_tcp is True.

ssl_server_cert_effective_date Property

The date on which this certificate becomes valid.

Syntax

def get_ssl_server_cert_effective_date() -> str: ...

ssl_server_cert_effective_date = property(get_ssl_server_cert_effective_date, None)

Default Value

""

Remarks

The date on which this certificate becomes valid. Before this date, it is not valid. The date is localized to the system's time zone. The following example illustrates the format of an encoded date:

23-Jan-2000 15:00:00.

This property is read-only.

ssl_server_cert_expiration_date Property

The date on which the certificate expires.

Syntax

def get_ssl_server_cert_expiration_date() -> str: ...

ssl_server_cert_expiration_date = property(get_ssl_server_cert_expiration_date, None)

Default Value

""

Remarks

The date on which the certificate expires. After this date, the certificate will no longer be valid. The date is localized to the system's time zone. The following example illustrates the format of an encoded date:

23-Jan-2001 15:00:00.

This property is read-only.

ssl_server_cert_extended_key_usage Property

A comma-delimited list of extended key usage identifiers.

Syntax

def get_ssl_server_cert_extended_key_usage() -> str: ...

ssl_server_cert_extended_key_usage = property(get_ssl_server_cert_extended_key_usage, None)

Default Value

""

Remarks

A comma-delimited list of extended key usage identifiers. These are the same as ASN.1 object identifiers (OIDs).

This property is read-only.

ssl_server_cert_fingerprint Property

The hex-encoded, 16-byte MD5 fingerprint of the certificate.

Syntax

def get_ssl_server_cert_fingerprint() -> str: ...

ssl_server_cert_fingerprint = property(get_ssl_server_cert_fingerprint, None)

Default Value

""

Remarks

The hex-encoded, 16-byte MD5 fingerprint of the certificate. This property is primarily used for keys which do not have a corresponding X.509 public certificate, such as PEM keys that only contain a private key. It is commonly used for SSH keys.

The following example illustrates the format: bc:2a:72:af:fe:58:17:43:7a:5f:ba:5a:7c:90:f7:02

This property is read-only.

ssl_server_cert_fingerprint_sha1 Property

The hex-encoded, 20-byte SHA-1 fingerprint of the certificate.

Syntax

def get_ssl_server_cert_fingerprint_sha1() -> str: ...

ssl_server_cert_fingerprint_sha1 = property(get_ssl_server_cert_fingerprint_sha1, None)

Default Value

""

Remarks

The hex-encoded, 20-byte SHA-1 fingerprint of the certificate. This property is primarily used for keys which do not have a corresponding X.509 public certificate, such as PEM keys that only contain a private key. It is commonly used for SSH keys.

The following example illustrates the format: 30:7b:fa:38:65:83:ff:da:b4:4e:07:3f:17:b8:a4:ed:80:be:ff:84

This property is read-only.

ssl_server_cert_fingerprint_sha256 Property

The hex-encoded, 32-byte SHA-256 fingerprint of the certificate.

Syntax

def get_ssl_server_cert_fingerprint_sha256() -> str: ...

ssl_server_cert_fingerprint_sha256 = property(get_ssl_server_cert_fingerprint_sha256, None)

Default Value

""

Remarks

The hex-encoded, 32-byte SHA-256 fingerprint of the certificate. This property is primarily used for keys which do not have a corresponding X.509 public certificate, such as PEM keys that only contain a private key. It is commonly used for SSH keys.

The following example illustrates the format: 6a:80:5c:33:a9:43:ea:b0:96:12:8a:64:96:30:ef:4a:8a:96:86:ce:f4:c7:be:10:24:8e:2b:60:9e:f3:59:53

This property is read-only.

ssl_server_cert_issuer Property

The issuer of the certificate.

Syntax

def get_ssl_server_cert_issuer() -> str: ...

ssl_server_cert_issuer = property(get_ssl_server_cert_issuer, None)

Default Value

""

Remarks

The issuer of the certificate. This property contains a string representation of the name of the issuing authority for the certificate.

This property is read-only.

ssl_server_cert_private_key Property

The private key of the certificate (if available).

Syntax

def get_ssl_server_cert_private_key() -> str: ...

ssl_server_cert_private_key = property(get_ssl_server_cert_private_key, None)

Default Value

""

Remarks

The private key of the certificate (if available). The key is provided as PEM/Base64-encoded data.

Note: The ssl_server_cert_private_key may be available but not exportable. In this case, ssl_server_cert_private_key returns an empty string.

This property is read-only.

ssl_server_cert_private_key_available Property

Whether a PrivateKey is available for the selected certificate.

Syntax

def get_ssl_server_cert_private_key_available() -> bool: ...

ssl_server_cert_private_key_available = property(get_ssl_server_cert_private_key_available, None)

Default Value

FALSE

Remarks

Whether a ssl_server_cert_private_key is available for the selected certificate. If ssl_server_cert_private_key_available is True, the certificate may be used for authentication purposes (e.g., server authentication).

This property is read-only.

ssl_server_cert_private_key_container Property

The name of the PrivateKey container for the certificate (if available).

Syntax

def get_ssl_server_cert_private_key_container() -> str: ...

ssl_server_cert_private_key_container = property(get_ssl_server_cert_private_key_container, None)

Default Value

""

Remarks

The name of the ssl_server_cert_private_key container for the certificate (if available). This functionality is available only on Windows platforms.

This property is read-only.

ssl_server_cert_public_key Property

The public key of the certificate.

Syntax

def get_ssl_server_cert_public_key() -> str: ...

ssl_server_cert_public_key = property(get_ssl_server_cert_public_key, None)

Default Value

""

Remarks

The public key of the certificate. The key is provided as PEM/Base64-encoded data.

This property is read-only.

ssl_server_cert_public_key_algorithm Property

The textual description of the certificate's public key algorithm.

Syntax

def get_ssl_server_cert_public_key_algorithm() -> str: ...

ssl_server_cert_public_key_algorithm = property(get_ssl_server_cert_public_key_algorithm, None)

Default Value

""

Remarks

The textual description of the certificate's public key algorithm. The property contains either the name of the algorithm (e.g., "RSA" or "RSA_DH") or an object identifier (OID) string representing the algorithm.

This property is read-only.

ssl_server_cert_public_key_length Property

The length of the certificate's public key (in bits).

Syntax

def get_ssl_server_cert_public_key_length() -> int: ...

ssl_server_cert_public_key_length = property(get_ssl_server_cert_public_key_length, None)

Default Value

0

Remarks

The length of the certificate's public key (in bits). Common values are 512, 1024, and 2048.

This property is read-only.

ssl_server_cert_serial_number Property

The serial number of the certificate encoded as a string.

Syntax

def get_ssl_server_cert_serial_number() -> str: ...

ssl_server_cert_serial_number = property(get_ssl_server_cert_serial_number, None)

Default Value

""

Remarks

The serial number of the certificate encoded as a string. The number is encoded as a series of hexadecimal digits, with each pair representing a byte of the serial number.

This property is read-only.

ssl_server_cert_signature_algorithm Property

The text description of the certificate's signature algorithm.

Syntax

def get_ssl_server_cert_signature_algorithm() -> str: ...

ssl_server_cert_signature_algorithm = property(get_ssl_server_cert_signature_algorithm, None)

Default Value

""

Remarks

The text description of the certificate's signature algorithm. The property contains either the name of the algorithm (e.g., "RSA" or "RSA_MD5RSA") or an object identifier (OID) string representing the algorithm.

This property is read-only.

ssl_server_cert_store Property

The name of the certificate store for the client certificate.

Syntax

def get_ssl_server_cert_store() -> bytes: ...

ssl_server_cert_store = property(get_ssl_server_cert_store, None)

Default Value

"MY"

Remarks

The name of the certificate store for the client certificate.

The ssl_server_cert_store_type property denotes the type of the certificate store specified by ssl_server_cert_store. If the store is password-protected, specify the password in ssl_server_cert_store_password.

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

Designations of certificate stores are platform dependent.

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

When the certificate store type is cstPFXFile, this property must be set to the name of the file. When the type is cstPFXBlob, the property must be set to the binary contents of a PFX file (i.e., PKCS#12 certificate store).

This property is read-only.

ssl_server_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_server_cert_store_password() -> str: ...

ssl_server_cert_store_password = property(get_ssl_server_cert_store_password, None)

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.

This property is read-only.

ssl_server_cert_store_type Property

The type of certificate store for this certificate.

Syntax

def get_ssl_server_cert_store_type() -> int: ...

ssl_server_cert_store_type = property(get_ssl_server_cert_store_type, None)

Default Value

0

Remarks

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:

This property is read-only.

ssl_server_cert_subject_alt_names Property

Comma-separated lists of alternative subject names for the certificate.

Syntax

def get_ssl_server_cert_subject_alt_names() -> str: ...

ssl_server_cert_subject_alt_names = property(get_ssl_server_cert_subject_alt_names, None)

Default Value

""

Remarks

Comma-separated lists of alternative subject names for the certificate.

This property is read-only.

ssl_server_cert_thumbprint_md5 Property

The MD5 hash of the certificate.

Syntax

def get_ssl_server_cert_thumbprint_md5() -> str: ...

ssl_server_cert_thumbprint_md5 = property(get_ssl_server_cert_thumbprint_md5, None)

Default Value

""

Remarks

The MD5 hash of the certificate. It is primarily used for X.509 certificates. If the hash does not already exist, it is automatically computed.

This property is read-only.

ssl_server_cert_thumbprint_sha1 Property

The SHA-1 hash of the certificate.

Syntax

def get_ssl_server_cert_thumbprint_sha1() -> str: ...

ssl_server_cert_thumbprint_sha1 = property(get_ssl_server_cert_thumbprint_sha1, None)

Default Value

""

Remarks

The SHA-1 hash of the certificate. It is primarily used for X.509 certificates. If the hash does not already exist, it is automatically computed.

This property is read-only.

ssl_server_cert_thumbprint_sha256 Property

The SHA-256 hash of the certificate.

Syntax

def get_ssl_server_cert_thumbprint_sha256() -> str: ...

ssl_server_cert_thumbprint_sha256 = property(get_ssl_server_cert_thumbprint_sha256, None)

Default Value

""

Remarks

The SHA-256 hash of the certificate. It is primarily used for X.509 certificates. If the hash does not already exist, it is automatically computed.

This property is read-only.

ssl_server_cert_usage Property

The text description of UsageFlags .

Syntax

def get_ssl_server_cert_usage() -> str: ...

ssl_server_cert_usage = property(get_ssl_server_cert_usage, None)

Default Value

""

Remarks

The text description of ssl_server_cert_usage_flags.

This value will be one or more of the following strings and will be separated by commas:

• Digital Signature
• Non-Repudiation
• Key Encipherment
• Data Encipherment
• Key Agreement
• Certificate Signing
• CRL Signing
• Encipher Only

If the provider is OpenSSL, the value is a comma-separated list of X.509 certificate extension names.

This property is read-only.

ssl_server_cert_usage_flags Property

The flags that show intended use for the certificate.

Syntax

def get_ssl_server_cert_usage_flags() -> int: ...

ssl_server_cert_usage_flags = property(get_ssl_server_cert_usage_flags, None)

Default Value

0

Remarks

The flags that show intended use for the certificate. The value of ssl_server_cert_usage_flags is a combination of the following flags:

Please see the ssl_server_cert_usage property for a text representation of ssl_server_cert_usage_flags.

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

This property is read-only.

ssl_server_cert_version Property

The certificate's version number.

Syntax

def get_ssl_server_cert_version() -> str: ...

ssl_server_cert_version = property(get_ssl_server_cert_version, None)

Default Value

""

Remarks

The certificate's version number. The possible values are the strings "V1", "V2", and "V3".

This property is read-only.

ssl_server_cert_subject Property

The subject of the certificate used for client authentication.

Syntax

def get_ssl_server_cert_subject() -> str: ...

ssl_server_cert_subject = property(get_ssl_server_cert_subject, None)

Default Value

""

Remarks

The subject of the certificate used for client authentication.

This property must be set after all other certificate properties are set. When this property is set, a search is performed in the current certificate store to locate a certificate with a 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 as follows:

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

This property is read-only.

ssl_server_cert_encoded Property

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

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.

use_tcp Property

This property specifies whether Transmission Control Protocol (TCP) is used.

Syntax

def get_use_tcp() -> bool: ...
def set_use_tcp(value: bool) -> None: ...

use_tcp = property(get_use_tcp, set_use_tcp)

Default Value

FALSE

Remarks

This property specifies whether TCP is used. By default, this property is False and UDP is used. When set to True, TCP will be used as the underlying protocol.

When set to True, the following additional settings are also applicable:

• ssl_authenticate_clients
• ssl_enabled
• ssl_accept_server_cert
• ssl_cert
• ssl_server_cert
• TCPMessageDelimiter

activate Method

This method enables sending and receiving of data.

Syntax

def activate() -> None: ...

Remarks

This method enables sending and receiving of data. When called, the class will create a communication endpoint (socket) that can be used for sending and receiving User Datagram Protocol (UDP) messages. This method must be called before using the class to send and receive data.

If the UseConnection configuration setting is set to True, then a local association (connection) to the remote host is also created.

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.

deactivate Method

This method disables sending and receive of data.

Syntax

def deactivate() -> None: ...

Remarks

This method disables sending and receiving of data. When called, the class will destroy the existing socket and disable data communications.

do_events Method

This 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.

reset Method

This method will reset the class.

Syntax

def reset() -> None: ...

Remarks

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

resolve_remote_host Method

This method resolves the hostname in RemoteHost to an IP address.

Syntax

def resolve_remote_host() -> None: ...

Remarks

This method resolves the hostname specified by remote_host to an IP address. The resolved value is available in the remote_host property after this method returns.

In most cases, calling this method is not necessary; the class will resolve the hostname automatically when needed. If DelayHostResolution is True, this method may be called to manually resolve remote_host, if desired.

send_packet Method

This method sends a log packet to RemoteHost .

Syntax

def send_packet(facility: int, severity: int, message: str) -> None: ...

Remarks

System log packets are composed of three main sections, each of which can be broken down into two smaller pieces.

The first section is the PRI, which contains the originating Facility and Severity of the Message. Facility is a value from 0 to 23, with each value being a different part of the system:

Severity is a value from 0 to 7 using the following convention:

The second section contains a timestamp and hostname, both of which are automatically generated by the class. The third section is the Message.

on_connected Event

This event is fired immediately after a connection completes (or fails).

Syntax

class SysLogConnectedEventParams(object):
  @property
  def remote_address() -> str: ...

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

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

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

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

Remarks

This event fires after a connection completes or fails.

StatusCode is the value returned by the system Transmission Control Protocol (TCP)/IP stack. This will be 0 if the connection was successful.

Description contains a human readable description of the status. This will be OK if the connection was successful.

RemoteAddress is the IP address of the remote host.

RemotePort is the port on the remote host.

on_connection_status Event

This event is fired to indicate changes in a connection state.

Syntax

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

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

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

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

Remarks

The on_connection_status event is fired when the connection state changes: for example, upon 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:

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.

on_disconnected Event

This event is fired when a connection is closed.

Syntax

class SysLogDisconnectedEventParams(object):
  @property
  def remote_address() -> str: ...

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

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

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

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

Remarks

This event fires when a connection is closed.

StatusCode is the value returned by the system Transmission Control Protocol (TCP)/IP stack. This will be 0 if the connection was successful.

Description contains a human readable description of the status. This will be OK if the connection was successful.

RemoteAddress is the IP address of the remote host.

RemotePort is the port on the remote host.

on_error Event

Fired when information is available about errors during data delivery.

Syntax

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

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

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

Remarks

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

The ErrorCode parameter contains an error code, and the Description parameter 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_packet_in Event

This event fires whenever a system log packet is received.

Syntax

class SysLogPacketInEventParams(object):
  @property
  def facility_code() -> int: ...

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

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

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

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

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

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

  @property
  def conforms() -> bool: ...

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

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

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

# In class SysLog:
@property
def on_packet_in() -> Callable[[SysLogPacketInEventParams], None]: ...
@on_packet_in.setter
def on_packet_in(event_hook: Callable[[SysLogPacketInEventParams], None]) -> None: ...

Remarks

System log packets are composed of three main sections, each of which can be broken down into two smaller pieces.

The first section is the PRI, which contains the originating FacilityCode and SeverityCode of the Message. FacilityCode is a value from 0 to 23, with each value being a different part of the system. Facility is a string representation of FacilityCode based on the following convention:

SeverityCode is a value from 0 to 7. Severity is a string representation of SeverityCode using the following convention:

The second section contains the Timestamp and Hostname. Timestamp is a string that should conform to the standard structure "MMM DD, HH:MM:SS". The class will search for the Timestamp and verify that it conforms. If it conforms, the class will set Hostname, otherwise, everything after the PRI will be placed in Message.

If Conforms is True, then the original syslog packet conforms to the syslog RFC and Timestamp, Hostname, and Message will all have valid values. Otherwise, you should parse the contents of Packet to verify the fields manually.

SourceAddress and SourcePort are the address and port from which Packet was sent. This can be an intermediate syslog server that is simply forwarding packets from the original host.

on_ssl_client_authentication Event

This is event fired when the client presents its credentials to the server.

Syntax

class SysLogSSLClientAuthenticationEventParams(object):
  @property
  def remote_address() -> str: ...

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

  @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 SysLog:
@property
def on_ssl_client_authentication() -> Callable[[SysLogSSLClientAuthenticationEventParams], None]: ...
@on_ssl_client_authentication.setter
def on_ssl_client_authentication(event_hook: Callable[[SysLogSSLClientAuthenticationEventParams], None]) -> None: ...

Remarks

This event fires when a client connects to the class and presents a certificate for authentication. 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 or not to continue.

When Accept is False, Status shows why the verification failed (otherwise, Status contains the string "OK").

RemoteAddress is the IP address of the connecting client.

RemotePort is the source port of the connecting client.

CertEncoded is the base64-encoded certificate presented by the client.

CertSubject is the subject of the certificate presented by the client.

CertIssuer is the subject of the issuer of the certificate presented by the client.

Status is the status of the certificate.

Accept defines whether the certificate is accepted.

on_ssl_server_authentication Event

This event fires when connecting to the server.

Syntax

class SysLogSSLServerAuthenticationEventParams(object):
  @property
  def remote_address() -> str: ...

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

  @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 SysLog:
@property
def on_ssl_server_authentication() -> Callable[[SysLogSSLServerAuthenticationEventParams], None]: ...
@on_ssl_server_authentication.setter
def on_ssl_server_authentication(event_hook: Callable[[SysLogSSLServerAuthenticationEventParams], None]) -> None: ...

Remarks

During this event, the client can decide whether or not to continue with the connection process. 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 or not to continue.

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.

RemoteAddress is the IP address of the server.

RemotePort is the source port of the server.

CertEncoded is the base64-encoded certificate presented by the server.

CertSubject is the subject of the certificate presented by the server.

CertIssuer is the subject of the issuer of the certificate presented by the server.

Status is the status of the certificate.

Accept defines whether the certificate is accepted.

on_ssl_status Event

This event shows the progress of the secure connection.

Syntax

class SysLogSSLStatusEventParams(object):
  @property
  def remote_address() -> str: ...

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

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

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

Remarks

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

RemoteAddress is the IP address of the remote machine.

RemotePort is the port of the remote machine.

Message is the log message.

SysLog 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.

Syslog Config Settings

UDP Config Settings

Socket Config Settings

Base Config Settings

SysLog Errors

SysLog Errors

UDP Errors

SSL Errors

TCP/IP Errors