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About This Document >>     Installing SSH Tectia Server (M) >>     Using SSH Tectia Server (M) >>     Troubleshooting SSH Tectia Server (M) >>     Configuration >>     Authentication >>     Application Tunneling >>         Incoming and Outgoing Tunnels >>         Tunneling FTP >>         Tunneling X11         Dynamic Tunneling     Sample Files >>     Man Pages     Log Messages >>

Tunneling X11

To enable X11 forwarding, perform the following tasks:

1. Make sure that the SSH Tectia Server (M) software was compiled with X forwarding support. The binary packages contain runtime X detection in SSH Tectia Server and Client.
2. Ensure that xauth is in the path of the user running ./configure. Also, make sure that you have the following line in your /etc/ssh2/sshd2_config file:

   AllowX11Forwarding yes

   X11 forwarding also needs to be enabled in the client by setting the following line in the ssh2_config file:

   ForwardX11 yes

   These options are on by default.
3. Log into the remote system and type xclock &. This starts an X clock program that can be used for testing the forwarding connection. If the X clock window is displayed properly, you have X11 forwarding working.

Note: Do not set the DISPLAY variable on the client. You will most likely disable encryption. (X connections forwarded through Secure Shell use a special local display setting.)