Connection
/ Port Forwarding / Remote/X11
The Port Forwarding/Remote/X11 category of the Session Options dialog allows you to configure secure connections through an SSH SSH is an acronym for the Secure Shell protocol. A communications protocol used to encrypt network traffic between a client and a server. server A computer program that provides services to other computer programs (called clients). Often the computer on which a server program runs is also called a server. The term host is often used as a synonym for server. to an application that resides on the SSH client A computer or application that uses services provided by a server. -side, and to enable the forwarding of X11 packets.
Remotely forwarded connections
Name
Displays the unique identifying name for the connection.
Remote Address
Displays the port number on the remote machine that is used for this connection.
Local Host
Displays the hostname or IP address of the local machine and the local port number.
To create a new port-forwarded connection, click on the Add... button to open a blank Remote Port Forwarding Properties dialog. To modify an existing connection, select that connection and click on the Edit... button to open that connection's Remote Port Forwarding Properties dialog. To remove an existing connection, select that connection and click on the Delete button.
X11 forwarding
Forward X11 packets
Check this option to allow the forwarding of X Windows packets through the SSH SSH is an acronym for the Secure Shell protocol. A communications protocol used to encrypt network traffic between a client and a server. session A session is a set of options that are assigned to a connection to a remote machine. These settings and options are saved under a session name and allow the user to have different preferences for different hosts. , which makes possible the encryption The process of converting a data transmission into a secret format that cannot easily be read by unauthorized individuals. See also: decryption. of the data between the client A computer or application that uses services provided by a server. and server A computer program that provides services to other computer programs (called clients). Often the computer on which a server program runs is also called a server. The term host is often used as a synonym for server.
Note: SecureCRT is not an X Server. The Forward X11 packets option allows SecureCRT to accept X11 data from the remote machine and forwards it to the X server running on the local machine. The local X Server must be running before any X11 sessions can be displayed. If you are using Xhost authority access on the local X11 server, you will need to add the localhost or loopback address 127.0.0.1 to your server's Xhost list.
Enforce X11 authentication
Check this box to instruct SecureCRT to enforce X11 authentication.
Note: It may be helpful to disable this option when switching to a different user before launching an X application. If this option is enabled and the secondary user's .Xauthority file does not match the initial user's file, access to the X server will be denied.