Rexec Class
Properties Methods Events Config Settings Errors
The remote exec (rexec) class is used to execute commands on a remote UNIX machine using the rexec mechanism.
Syntax
ipworks.rexec()
Remarks
The rexec class allows remote execution of commands on UNIX hosts, or any other system with the rexec interface. Using the class is simple. The destination is specified by the RemoteHost property, and the login information is given by the RemoteUser and RemotePassword properties. You can call the Execute method with the Command to execute as a parameter. You also can set the Command property to the command that you would like to execute for identical results. Further input can be supplied to the command by assigning data to the Text parameter of the Send method or by using the Stdin property.
The output of the command is returned through the Stdout event. If an error happens on the protocol level, the error message can be found in the ErrorMessage property. Errors that occur during command execution (the stderr stream) are given by the Stderr event.
Note: To be able to successfully use the class, the remote host must be set up to allow for execution of commands via rexec from the machine the class runs on.
Property List
The following is the full list of the properties of the class with short descriptions. Click on the links for further details.
BytesSent | This property includes the number of bytes actually sent after an assignment to Stdin. |
Connected | This shows whether the class is connected. |
EOF | If this property is True, the connection has closed, and no buffered data are available. |
EOL | This property is used to break the stdout data stream into chunks separated by its value. |
ErrEOL | This property is used to break the stderr data stream into chunks separated by its value. |
ErrorMessage | This property includes the error message that is returned when any of the steps before command execution fail. |
Firewall | A set of properties related to firewall access. |
LocalHost | The name of the local host or user-assigned IP interface through which connections are initiated or accepted. |
LocalPort | This property includes the Transmission Control Protocol (TCP) port in the local host where the class binds. |
RemoteHost | This property includes the address of the remote host. Domain names are resolved to IP addresses. |
RemotePassword | This property includes the password of the user on the remote host. |
RemotePort | This property includes the remote exec (rexec) service port (default is 512). |
RemoteUser | This property includes the Id of the user on the remote host. |
Stderr | This property returns the standard error (stderr) output from the remote application. |
Stdout | This property provides the standard output (stdout) from the remote application. |
Timeout | A timeout for the class. |
Method List
The following is the full list of the methods of the class with short descriptions. Click on the links for further details.
Config | Sets or retrieves a configuration setting. |
Connect | This method connects to the remote host without performing any action. |
Disconnect | This method disconnects from the RemoteHost . |
DoEvents | Processes events from the internal message queue. |
Execute | This method executes a Command on the remote host. |
Interrupt | Interrupt the current method. |
Reset | This method resets the class. |
Send | This method sends standard input to the program executing on the remote host. |
SendCommand | This method sends the specified command to the server. |
SendStdinBytes | This method sends binary data to the remote host. |
SendStdinText | This method sends text to the remote host. |
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.
Connected | This event is fired immediately after a connection completes (or fails). |
ConnectionStatus | This event is fired to indicate changes in the connection state. |
Disconnected | This event is fired when a connection is closed. |
Error | Information about errors during data delivery. |
Stderr | This event is fired when data (complete lines) come in through stderr. |
Stdout | This event is fired when data (complete lines) come in through stdout. |
Config Settings
The following is a list of config settings for the class with short descriptions. Click on the links for further details.
EnableStderr | Enables or disables secondary (stderr) stream. |
MaxStderr | Maximum storage available for the stderr buffer. |
MaxStdout | Maximum storage available for the stdout buffer. |
StderrPort | The local port from which the remote system sends the stderr stream. |
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. |
LogSSLPackets | Controls whether SSL packets are logged when using the internal security API. |
OpenSSLCADir | The path to a directory containing CA certificates. |
OpenSSLCAFile | Name of the file containing the list of CA's trusted by your application. |
OpenSSLCipherList | A string that controls the ciphers to be used by SSL. |
OpenSSLPrngSeedData | The data to seed the pseudo random number generator (PRNG). |
ReuseSSLSession | Determines if the SSL session is reused. |
SSLAcceptAnyServerCert | Whether to trust any certificate presented by the server. |
SSLCACerts | A newline separated list of CA certificate to use during SSL client authentication. |
SSLCipherStrength | The minimum cipher strength used for bulk encryption. |
SSLEnabledCipherSuites | The cipher suite to be used in an SSL negotiation. |
SSLEnabledProtocols | Used to enable/disable the supported security protocols. |
SSLEnableRenegotiation | Whether the renegotiation_info SSL extension is supported. |
SSLIncludeCertChain | Whether the entire certificate chain is included in the SSLServerAuthentication event. |
SSLKeyLogFile | The location of a file where per-session secrets are written for debugging purposes. |
SSLNegotiatedCipher | Returns the negotiated ciphersuite. |
SSLNegotiatedCipherStrength | Returns the negotiated ciphersuite strength. |
SSLNegotiatedCipherSuite | Returns the negotiated ciphersuite. |
SSLNegotiatedKeyExchange | Returns the negotiated key exchange algorithm. |
SSLNegotiatedKeyExchangeStrength | Returns the negotiated key exchange algorithm strength. |
SSLNegotiatedVersion | Returns the negotiated protocol version. |
SSLSecurityFlags | Flags that control certificate verification. |
SSLServerCACerts | A newline separated list of CA certificate to use during SSL server certificate validation. |
TLS12SignatureAlgorithms | Defines the allowed TLS 1.2 signature algorithms when SSLProvider is set to Internal. |
TLS12SupportedGroups | The supported groups for ECC. |
TLS13KeyShareGroups | The groups for which to pregenerate key shares. |
TLS13SignatureAlgorithms | The allowed certificate signature algorithms. |
TLS13SupportedGroups | The supported groups for (EC)DHE key exchange. |
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. |
UseInternalSecurityAPI | Tells the class whether or not to use the system security libraries or an internal implementation. |
Rexec.BytesSent Property
This property includes the number of bytes actually sent after an assignment to Stdin.
Syntax
getBytesSent(): number;
Default Value
0
Remarks
The BytesSent property shows how many bytes were sent after the last assignment to Stdin. Please check the Stdin property for more information.
This property is read-only and not available at design time.
Rexec.Connected Property
This shows whether the class is connected.
Syntax
isConnected(): boolean;
Default Value
FALSE
Remarks
This property is used to determine whether or not the class is connected to the remote host.
Note: It is recommended to use the Connect or Disconnect method instead of setting this property.
This property is not available at design time.
Rexec.EOF Property
If this property is True, the connection has closed, and no buffered data are available.
Syntax
isEOF(): boolean;
Default Value
TRUE
Remarks
This property is read-only.
Rexec.EOL Property
This property is used to break the stdout data stream into chunks separated by its value.
Syntax
getEOL(): Uint8Array; setEOL(EOL: Uint8Array): void;
Default Value
"ASCII code 10 (newline)"
Remarks
The EOL property is used to define boundaries in the Stdout stream using the value of the property.
This property is not available at design time.
Rexec.ErrEOL Property
This property is used to break the stderr data stream into chunks separated by its value.
Syntax
getErrEOL(): Uint8Array; setErrEOL(errEOL: Uint8Array): void;
Default Value
"ASCII code 10 (newline)"
Remarks
The ErrEOL property is used to define boundaries in the Stderr stream using the value of the property.
This property is not available at design time.
Rexec.ErrorMessage Property
This property includes the error message that is returned when any of the steps before command execution fail.
Syntax
getErrorMessage(): string;
Default Value
""
Remarks
This error message is returned on a separate connection associated with error messages.
This property is read-only.
Rexec.Firewall Property
A set of properties related to firewall access.
Syntax
getFirewall(): Firewall; setFirewall(firewall: Firewall): void;
Default Value
Remarks
This is a Firewall type property which contains fields describing the firewall through which the class will attempt to connect.
Rexec.LocalHost Property
The name of the local host or user-assigned IP interface through which connections are initiated or accepted.
Syntax
getLocalHost(): string; setLocalHost(localHost: string): void;
Default Value
""
Remarks
The LocalHost 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 LocalHost 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: LocalHost is not persistent. You must always set it in code, and never in the property window.
Rexec.LocalPort Property
This property includes the Transmission Control Protocol (TCP) port in the local host where the class binds.
Syntax
getLocalPort(): number; setLocalPort(localPort: number): void;
Default Value
0
Remarks
The LocalPort property must be set before a connection is attempted. This property instructs the class to bind to a specific port (or communication endpoint) in the local machine.
Setting it to zero (the default) enables the class to choose a port at random. The chosen port will be shown by the LocalPort property after the connection is established.
LocalPort cannot be changed once a connection is made. Any attempt to set the LocalPort property when a connection is active will generate an error.
Note: Use this property with caution. If you supply a value, it must be an available port on the system, or an error will be returned. Furthermore, the class always attempts to bind to a secure (sub 1000) port when the value of LocalPort is the default (zero). If you supply your own value, ensure that the remote system is configured to allow that particular value.
This property is not available at design time.
Rexec.RemoteHost Property
This property includes the address of the remote host. Domain names are resolved to IP addresses.
Syntax
getRemoteHost(): string; setRemoteHost(remoteHost: string): void;
Default Value
""
Remarks
This property specifies the IP address (IP number in dotted internet format) or the domain name of the remote host. It is set before a connection is attempted and cannot be changed once a connection is established.
If this property is set to a domain name, a DNS request is initiated, and upon successful termination of the request, this property is set to the corresponding address. If the search is not successful, an error is returned.
If the class is configured to use a SOCKS firewall, the value assigned to this property may be preceded with an "*". If this is the case, the host name is passed to the firewall unresolved and the firewall performs the DNS resolution.
Example. Connecting:
TCPClientControl.RemoteHost = "MyHostNameOrIP"
TCPClientControl.RemotePort = 777
TCPClientControl.Connected = true
Rexec.RemotePassword Property
This property includes the password of the user on the remote host.
Syntax
getRemotePassword(): string; setRemotePassword(remotePassword: string): void;
Default Value
""
Remarks
This must be the password of a user in the remote host for whom remote execution of commands is permitted.
Rexec.RemotePort Property
This property includes the remote exec (rexec) service port (default is 512).
Syntax
getRemotePort(): number; setRemotePort(remotePort: number): void;
Default Value
512
Remarks
The RemotePort property specifies the rexec service port on the remote host.
A valid port number (a value between 1 and 65535) is required for the connection to take place. This property must be set before command execution is attempted.
This property is not available at design time.
Rexec.RemoteUser Property
This property includes the Id of the user on the remote host.
Syntax
getRemoteUser(): string; setRemoteUser(remoteUser: string): void;
Default Value
""
Remarks
This must be the Id of a user in the remote host for whom remote execution of commands is permitted.
Rexec.Stderr Property
This property returns the standard error (stderr) output from the remote application.
Syntax
getStderr(): Uint8Array;
Default Value
""
Remarks
This property is set to an empty string before each new request.
This property is read-only and not available at design time.
Rexec.Stdout Property
This property provides the standard output (stdout) from the remote application.
Syntax
getStdout(): Uint8Array;
Default Value
""
Remarks
The property is set to an empty string before each new request.
This property is read-only and not available at design time.
Rexec.Timeout Property
A timeout for the class.
Syntax
getTimeout(): number; setTimeout(timeout: number): void;
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 DoEvents 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 .
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.
Rexec.config Method
Sets or retrieves a configuration setting.
Syntax
async rexec.config(configurationString : string): Promise<string>
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.
Rexec.connect Method
This method connects to the remote host without performing any action.
Syntax
async rexec.connect(): Promise<void>
Remarks
This method establishes a connection with the remote host specified by URL, but it does not send a request. In most cases, it is recommended to use the appropriate method, such as Get or Post, which will both establish a connection and send a request.
This method may be useful in cases in which it is desirable to establish a connection without performing any operation (e.g., when testing connectivity).
Rexec.disconnect Method
This method disconnects from the RemoteHost .
Syntax
async rexec.disconnect(): Promise<void>
Remarks
It normally is not necessary to call this method unless you wish to interrupt the remote program or the remote program is waiting for standard input to end before terminating.
Rexec.doEvents Method
Processes events from the internal message queue.
Syntax
async rexec.doEvents(): Promise<void>
Remarks
When DoEvents is called, the class processes any available events. If no events are available, it waits for a preset period of time, and then returns.
Rexec.execute Method
This method executes a Command on the remote host.
Syntax
async rexec.execute(command : string): Promise<void>
Remarks
Calling this method is equivalent to setting the Command property to Command.
Example. Execute a Command:
RexecControl.Execute("cd /home/username/; ls -al; cd/; ls")
Rexec.interrupt Method
Interrupt the current method.
Syntax
async rexec.interrupt(): Promise<void>
Remarks
If there is no method in progress, Interrupt simply returns, doing nothing.
Rexec.reset Method
This method resets the class.
Syntax
async rexec.reset(): Promise<void>
Remarks
This method will reset the class's properties to their default values.
Rexec.send Method
This method sends standard input to the program executing on the remote host.
Syntax
async rexec.send(text : Uint8Array): Promise<void>
Remarks
Calling this method is equivalent to setting the Stdin property to Text.
Rexec.sendCommand Method
This method sends the specified command to the server.
Syntax
async rexec.sendCommand(command : string): Promise<void>
Remarks
This method sends the Command to the RemoteHost. There is no need to append an end-of-line character to the command.
Rexec.sendStdinBytes Method
This method sends binary data to the remote host.
Syntax
async rexec.sendStdinBytes(data : Uint8Array): Promise<void>
Remarks
This method sends the specified binary data to the remote host. The data provided are used as input for the process on the remote host. To send text, use the SendStdinText method instead.
If you are sending data to the remote host faster than it can process it, or faster than the network bandwidth allows, the outgoing queue might fill up. When this happens the class .
Rexec.sendStdinText Method
This method sends text to the remote host.
Syntax
async rexec.sendStdinText(text : string): Promise<void>
Remarks
This method sends the specified text to the remote host. The text provided is used as an input for the process on the remote host. To send binary data, use the SendStdinBytes method instead.
If you are sending data to the remote host faster than it can process it, or faster than the network bandwidth allows, the outgoing queue might fill up. When this happens the class .
Rexec.Connected Event
This event is fired immediately after a connection completes (or fails).
Syntax
rexec.on('Connected', listener: (e: {readonly statusCode: number, readonly description: string}) => void )
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.
Rexec.ConnectionStatus Event
This event is fired to indicate changes in the connection state.
Syntax
rexec.on('ConnectionStatus', listener: (e: {readonly connectionEvent: string, readonly statusCode: number, readonly description: string}) => void )
Remarks
The ConnectionStatus 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. |
Rexec.Disconnected Event
This event is fired when a connection is closed.
Syntax
rexec.on('Disconnected', listener: (e: {readonly statusCode: number, readonly description: string}) => void )
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.
Rexec.Error Event
Information about errors during data delivery.
Syntax
rexec.on('Error', listener: (e: {readonly errorCode: number, readonly description: string}) => void )
Remarks
The Error event is fired in case of exceptional conditions during message processing. Normally the class .
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.
Rexec.Stderr Event
This event is fired when data (complete lines) come in through stderr.
Syntax
rexec.on('Stderr', listener: (e: {readonly text: string, readonly textB: Uint8Array, readonly EOL: boolean}) => void )
Remarks
The Stderr event is fired every time the process on the remote host outputs a line in its error output. The incoming data are provided through the Text parameter.
EOL indicates whether or not the ErrEOL string was found on the end of Text. If the ErrEOL string was found, then EOL is True; otherwise, it is False.
When the error stream is closed by the server, a string containing only one NULL character is delivered through this event.
Rexec.Stdout Event
This event is fired when data (complete lines) come in through stdout.
Syntax
rexec.on('Stdout', listener: (e: {readonly text: string, readonly textB: Uint8Array, readonly EOL: boolean}) => void )
Remarks
The Stdout event is fired every time the process on the remote host outputs a line in its standard output. The incoming data are provided through the Text parameter.
EOL indicates whether or not the EOL string was found on the end of Text. If the EOL string was found, then EOL is True; otherwise, it is False.
Firewall Type
This is the firewall the class will connect through.
Remarks
When connecting through a firewall, this type is used to specify different properties of the firewall, such as the firewall and the .
Fields
AutoDetect boolean |
This property tells the class whether or not to automatically detect and use firewall system settings, if available.
|
FirewallType FirewallTypes |
This property determines the type of firewall to connect through. The applicable values are as follows: |
Host string |
This property contains the name or IP address of firewall (optional). If a 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 . |
Password string |
This property contains a password if authentication is to be used when connecting through the firewall. If is specified, the and properties are used to connect and authenticate to the given firewall. If the authentication fails, the class . |
Port number |
This property contains the transmission control protocol (TCP) port for the firewall . See the description of the property for details. Note: This property is set automatically when is set to a valid value. See the description of the property for details. |
User string |
This property contains a user name if authentication is to be used connecting through a firewall. If the is specified, this property and properties are used to connect and authenticate to the given Firewall. If the authentication fails, the class . |
Constructors
public Firewall();
Config Settings (class ipworks.rexec)
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.Rexec/Rshell Config Settings | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
EnableStderr:
Enables or disables secondary (stderr) stream.Some systems (most notably certain versions of Linux) do not support
the secondary stderr stream of rexec/rshell. For these systems, you must
turn stderr off. Any stderr output will then be provided through stdout.
The default value for this configuration setting is True. |
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MaxStderr: Maximum storage available for the stderr buffer.This configuration setting indicates the maximum amount of characters that the class will store in the Stderr property. The default value is -1, which indicates there is no maximum. A value of zero (0) will disable accumulation of stderr in the Stderr property, although the Stderr event will still continue to fire. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
MaxStdout: Maximum storage available for the stdout buffer.This configuration setting indicates the maximum amount of characters that the class will store in the Stdout property. The default value is -1, which indicates there is no maximum. A value of zero (0) will disable accumulation of stdout in the Stdout property, although the Stdout event will still continue to fire. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
StderrPort:
The local port from which the remote system sends the stderr stream.The default value is zero, which instructs the class to use a
random port. Use this property with caution. If you supply a value,
it must be an available port on the system or an error will be returned.
Some systems do not support secondary stderr streams. Please refer to the EnableStderr configuration setting for more information. |
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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 .
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 .
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 LocalHost 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 LocalHost 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 LocalPort after the connection is established. LocalPort 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 DataIn 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 DataIn 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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SSL Config Settings | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LogSSLPackets:
Controls whether SSL packets are logged when using the internal security API.When SSLProvider is set to Internal, this setting controls whether SSL packets should be logged. By default, this setting is False, as it is only useful for debugging purposes.
When enabled, SSL packet logs are output using the SSLStatus event, which will fire each time an SSL packet is sent or received. Enabling this setting has no effect if SSLProvider is set to Platform. |
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OpenSSLCADir:
The path to a directory containing CA certificates.This functionality is available only when the provider is OpenSSL.
The path set by this property should point to a directory containing CA certificates in PEM format. The files each contain one CA certificate. The files are looked up by the CA subject name hash value, which must hence be available. If more than one CA certificate with the same name hash value exist, the extension must be different (e.g. 9d66eef0.0, 9d66eef0.1 etc). OpenSSL recommends to use the c_rehash utility to create the necessary links. Please refer to the OpenSSL man page SSL_CTX_load_verify_locations(3) for details. |
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OpenSSLCAFile:
Name of the file containing the list of CA's trusted by your application.This functionality is available only when the provider is OpenSSL.
The file set by this property should contain a list of CA certificates in PEM format. The file can contain several CA certificates identified by -----BEGIN CERTIFICATE----- ... (CA certificate in base64 encoding) ... -----END CERTIFICATE----- sequences. Before, between, and after the certificates text is allowed which can be used e.g. for descriptions of the certificates. Please refer to the OpenSSL man page SSL_CTX_load_verify_locations(3) for details. |
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OpenSSLCipherList:
A string that controls the ciphers to be used by SSL.This functionality is available only when the provider is OpenSSL.
The format of this string is described in the OpenSSL man page ciphers(1) section "CIPHER LIST FORMAT". Please refer to it for details. The default string "DEFAULT" is determined at compile time and is normally equivalent to "ALL:!ADH:RC4+RSA:+SSLv2:@STRENGTH". |
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OpenSSLPrngSeedData:
The data to seed the pseudo random number generator (PRNG).This functionality is available only when the provider is OpenSSL.
By default OpenSSL uses the device file "/dev/urandom" to seed the PRNG and setting OpenSSLPrngSeedData is not required. If set, the string specified is used to seed the PRNG. |
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ReuseSSLSession:
Determines if the SSL session is reused.
If set to true, the class will reuse the context if and only if the following criteria are met:
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SSLAcceptAnyServerCert: Whether to trust any certificate presented by the server.This setting disables all certificate verification when set to True. This configuration setting must be enabled to trust a self-signed certificate. It is not recommended to enable this configuration setting in a production environment. The default value is False. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SSLCACerts:
A newline separated list of CA certificate to use during SSL client authentication.This setting specifies one or more CA certificates to be included in the request when performing
SSL client authentication. Some servers require the entire chain, including CA certificates, to be presented
when performing SSL client authentication. The value of this setting is a newline (CrLf) separated list of certificates. For instance:
-----BEGIN CERTIFICATE----- MIIEKzCCAxOgAwIBAgIRANTET4LIkxdH6P+CFIiHvTowDQYJKoZIhvcNAQELBQAw ... eWHV5OW1K53o/atv59sOiW5K3crjFhsBOd5Q+cJJnU+SWinPKtANXMht+EDvYY2w F0I1XhM+pKj7FjDr+XNj -----END CERTIFICATE----- \r \n -----BEGIN CERTIFICATE----- MIIEFjCCAv6gAwIBAgIQetu1SMxpnENAnnOz1P+PtTANBgkqhkiG9w0BAQUFADBp .. d8q23djXZbVYiIfE9ebr4g3152BlVCHZ2GyPdjhIuLeH21VbT/dyEHHA -----END CERTIFICATE----- |
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SSLCipherStrength:
The minimum cipher strength used for bulk encryption.
This minimum cipher strength largely dependent on the security modules installed
on the system. If the cipher strength specified is not supported,
an error will be returned when connections are initiated.
Please note that this setting contains the minimum cipher strength requested from the security library. The actual cipher strength used for the connection is shown by the SSLStatus event. Use this setting with caution. Requesting a lower cipher strength than necessary could potentially cause serious security vulnerabilities in your application. When the provider is OpenSSL, SSLCipherStrength is currently not supported. This functionality is instead made available through the OpenSSLCipherList config setting. |
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SSLEnabledCipherSuites:
The cipher suite to be used in an SSL negotiation.The enabled cipher suites to be used in SSL negotiation.
By default, the enabled cipher suites will include all available ciphers ("*"). The special value "*" means that the class will pick all of the supported cipher suites. If SSLEnabledCipherSuites is set to any other value, only the specified cipher suites will be considered. Multiple cipher suites are separated by semicolons. Example values when SSLProvider is set to Platform:
obj.config("SSLEnabledCipherSuites=*");
obj.config("SSLEnabledCipherSuites=TLS_DHE_DSS_WITH_AES_128_CBC_SHA");
obj.config("SSLEnabledCipherSuites=TLS_DHE_DSS_WITH_AES_128_CBC_SHA;TLS_DH_ANON_WITH_AES_128_CBC_SHA");
Possible values when SSLProvider is set to Internal include:
When TLS 1.3 is negotiated (see SSLEnabledProtocols) only the following cipher suites are supported:
SSLEnabledCipherSuites is used together with SSLCipherStrength. |
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SSLEnabledProtocols:
Used to enable/disable the supported security protocols.Used to enable/disable the supported security protocols.
Not all supported protocols are enabled by default (the value of this setting is 4032). If you want more granular control over the enabled protocols, you can set this property to the binary 'OR' of one or more of the following values:
SSLEnabledProtocols - TLS 1.3 Notes In the JavaScript edition the platform implementation is used when TLS 1.3 is enabled and SSLEnabledCipherSuites and other similar SSL configuration settings are not supported. |
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SSLEnableRenegotiation:
Whether the renegotiation_info SSL extension is supported.This setting specifies whether the renegotiation_info SSL extension will be used in the request when using the internal security API.
This setting is true by default, but can be set to false to disable the extension.
This setting is only applicable when SSLProvider is set to Internal. |
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SSLIncludeCertChain:
Whether the entire certificate chain is included in the SSLServerAuthentication event.This setting specifies whether the Encoded parameter of the SSLServerAuthentication event contains
the full certificate chain. By default this value is False and only the leaf certificate will be present
in the Encoded parameter of the SSLServerAuthentication event.
If set to True all certificates returned by the server will be present in the Encoded parameter of the SSLServerAuthentication event. This includes the leaf certificate, any intermediate certificate, and the root certificate. |
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SSLKeyLogFile:
The location of a file where per-session secrets are written for debugging purposes.This setting optionally specifies the full path to a file on disk where per-session secrets are stored for debugging purposes.
When set, the class will save the session secrets in the same format as the SSLKEYLOGFILE environment variable functionality used by most major browsers and tools such as Chrome, Firefox, and cURL. This file can then be used in tools such as Wireshark to decrypt TLS traffice for debugging purposes. When writing to this file the class will only append, it will not overwrite previous values. Note: This setting is only applicable when SSLProvider is set to Internal. |
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SSLNegotiatedCipher:
Returns the negotiated ciphersuite.Returns the ciphersuite negotiated during the SSL handshake.
Note: For server components (e.g. TCPServer) this is a per-connection setting accessed by passing the ConnectionId. For example:
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SSLNegotiatedCipherStrength:
Returns the negotiated ciphersuite strength.Returns the strength of the ciphersuite negotiated during the SSL handshake.
Note: For server components (e.g.TCPServer) this is a per-connection setting accessed by passing the ConnectionId. For example:
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SSLNegotiatedCipherSuite:
Returns the negotiated ciphersuite.Returns the ciphersuite negotiated during the SSL handshake represented as a single string.
Note: For server components (e.g. TCPServer) this is a per-connection setting accessed by passing the ConnectionId. For example:
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SSLNegotiatedKeyExchange:
Returns the negotiated key exchange algorithm.Returns the key exchange algorithm negotiated during the SSL handshake.
Note: For server components (e.g. TCPServer) this is a per-connection setting accessed by passing the ConnectionId. For example:
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SSLNegotiatedKeyExchangeStrength:
Returns the negotiated key exchange algorithm strength.Returns the strenghth of the key exchange algorithm negotiated during the SSL handshake.
Note: For server components (e.g. TCPServer) this is a per-connection setting accessed by passing the ConnectionId. For example:
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SSLNegotiatedVersion:
Returns the negotiated protocol version.Returns the protocol version negotiated during the SSL handshake.
Note: For server components (e.g. TCPServer) this is a per-connection setting accessed by passing the ConnectionId. For example:
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SSLSecurityFlags:
Flags that control certificate verification.The following flags are defined (specified in hexadecimal
notation). They can be or-ed together to exclude multiple
conditions:
This functionality is currently not available when the provider is OpenSSL. |
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SSLServerCACerts:
A newline separated list of CA certificate to use during SSL server certificate validation.This setting optionally specifies one or more CA certificates to be used when verifying the server certificate. When verifying the server's certificate the certificates trusted by the system will be used as part of the verification process. If the server's CA certificates are not installed to the trusted system store, they may be specified here so they are included when performing the verification process. This setting should only be set if the server's CA certificates are not already trusted on the system and cannot be installed to the trusted system store.
The value of this setting is a newline (CrLf) separated list of certificates. For instance: -----BEGIN CERTIFICATE----- MIIEKzCCAxOgAwIBAgIRANTET4LIkxdH6P+CFIiHvTowDQYJKoZIhvcNAQELBQAw ... eWHV5OW1K53o/atv59sOiW5K3crjFhsBOd5Q+cJJnU+SWinPKtANXMht+EDvYY2w F0I1XhM+pKj7FjDr+XNj -----END CERTIFICATE----- \r \n -----BEGIN CERTIFICATE----- MIIEFjCCAv6gAwIBAgIQetu1SMxpnENAnnOz1P+PtTANBgkqhkiG9w0BAQUFADBp .. d8q23djXZbVYiIfE9ebr4g3152BlVCHZ2GyPdjhIuLeH21VbT/dyEHHA -----END CERTIFICATE----- |
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TLS12SignatureAlgorithms:
Defines the allowed TLS 1.2 signature algorithms when SSLProvider is set to Internal.This setting specifies the allowed server certificate signature algorithms when SSLProvider is set to Internal and SSLEnabledProtocols is set to allow TLS 1.2.
When specified the class will verify that the server certificate signature algorithm is among the values specified in this setting. If the server certificate signature algorithm is unsupported the class . The format of this value is a comma separated list of hash-signature combinations. For instance:
In order to not restrict the server's certificate signature algorithm, specify an empty string as the value for this setting, which will cause the signature_algorithms TLS 1.2 extension to not be sent. |
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TLS12SupportedGroups:
The supported groups for ECC.This setting specifies a comma separated list of named groups used in TLS 1.2 for ECC.
The default value is ecdhe_secp256r1,ecdhe_secp384r1,ecdhe_secp521r1. When using TLS 1.2 and SSLProvider is set to Internal, the values refer to the supported groups for ECC. The following values are supported:
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TLS13KeyShareGroups:
The groups for which to pregenerate key shares.This setting specifies a comma separated list of named groups used in TLS 1.3 for key exchange.
The groups specified here will have key share data pregenerated locally before establishing a connection.
This can prevent an additional round trip during the handshake if the group is supported by the server.
The default value is set to balance common supported groups and the computational resources required to generate key shares. As a result only some groups are included by default in this setting. Note: All supported groups can always be used during the handshake even if not listed here, but if a group is used which is not present in this list it will incur an additional round trip and time to generate the key share for that group. In most cases this setting does not need to be modified. This should only be modified if there is a specific reason to do so. The default value is ecdhe_x25519,ecdhe_secp256r1,ecdhe_secp384r1,ffdhe_2048,ffdhe_3072 The values are ordered from most preferred to least preferred. The following values are supported:
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TLS13SignatureAlgorithms:
The allowed certificate signature algorithms.This setting holds a comma separated list of allowed signature algorithms. Possible values are:
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TLS13SupportedGroups:
The supported groups for (EC)DHE key exchange.This setting specifies a comma separated list of named groups used in TLS 1.3 for key exchange.
This setting should only be modified if there is a specific reason to do so.
The default value is ecdhe_x25519,ecdhe_x448,ecdhe_secp256r1,ecdhe_secp384r1,ecdhe_secp521r1,ffdhe_2048,ffdhe_3072,ffdhe_4096,ffdhe_6144,ffdhe_8192 The values are ordered from most preferred to least preferred. The following values are supported:
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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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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. This setting is set to false by default on all platforms. |
Trappable Errors (class ipworks.rexec)
RExec Errors
118 Firewall error. Error message includes a detailed description. |
TCPClient Errors
100 You cannot change the RemotePort at this time. A connection is in progress. | |
101 You cannot change the RemoteHost (Server) at this time. A connection is in progress. | |
102 The RemoteHost 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 LocalPort at this time. A connection is in progress. | |
107 You cannot change the LocalHost at this time. A connection is in progress. | |
112 You cannot change MaxLineLength at this time. A connection is in progress. | |
116 RemotePort 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. |
SSL Errors
270 Cannot load specified security library. | |
271 Cannot open certificate store. | |
272 Cannot find specified certificate. | |
273 Cannot acquire security credentials. | |
274 Cannot find certificate chain. | |
275 Cannot verify certificate chain. | |
276 Error during handshake. | |
280 Error verifying certificate. | |
281 Could not find client certificate. | |
282 Could not find server certificate. | |
283 Error encrypting data. | |
284 Error decrypting data. |
TCP/IP Errors
10004 [10004] Interrupted system call. | |
10009 [10009] Bad file number. | |
10013 [10013] Access denied. | |
10014 [10014] Bad address. | |
10022 [10022] Invalid argument. | |
10024 [10024] Too many open files. | |
10035 [10035] Operation would block. | |
10036 [10036] Operation now in progress. | |
10037 [10037] Operation already in progress. | |
10038 [10038] Socket operation on non-socket. | |
10039 [10039] Destination address required. | |
10040 [10040] Message too long. | |
10041 [10041] Protocol wrong type for socket. | |
10042 [10042] Bad protocol option. | |
10043 [10043] Protocol not supported. | |
10044 [10044] Socket type not supported. | |
10045 [10045] Operation not supported on socket. | |
10046 [10046] Protocol family not supported. | |
10047 [10047] Address family not supported by protocol family. | |
10048 [10048] Address already in use. | |
10049 [10049] Can't assign requested address. | |
10050 [10050] Network is down. | |
10051 [10051] Network is unreachable. | |
10052 [10052] Net dropped connection or reset. | |
10053 [10053] Software caused connection abort. | |
10054 [10054] Connection reset by peer. | |
10055 [10055] No buffer space available. | |
10056 [10056] Socket is already connected. | |
10057 [10057] Socket is not connected. | |
10058 [10058] Can't send after socket shutdown. | |
10059 [10059] Too many references, can't splice. | |
10060 [10060] Connection timed out. | |
10061 [10061] Connection refused. | |
10062 [10062] Too many levels of symbolic links. | |
10063 [10063] File name too long. | |
10064 [10064] Host is down. | |
10065 [10065] No route to host. | |
10066 [10066] Directory not empty | |
10067 [10067] Too many processes. | |
10068 [10068] Too many users. | |
10069 [10069] Disc Quota Exceeded. | |
10070 [10070] Stale NFS file handle. | |
10071 [10071] Too many levels of remote in path. | |
10091 [10091] Network subsystem is unavailable. | |
10092 [10092] WINSOCK DLL Version out of range. | |
10093 [10093] Winsock not loaded yet. | |
11001 [11001] Host not found. | |
11002 [11002] Non-authoritative 'Host not found' (try again or check DNS setup). | |
11003 [11003] Non-recoverable errors: FORMERR, REFUSED, NOTIMP. | |
11004 [11004] Valid name, no data record (check DNS setup). |