X11 Forwarding is a special case of TCP/IP port forwarding. X11
protocol is used by PC X server software and connection is
established from the remote host to the local PC; the opposite of
other client programs such as email or telnet. By using the X11
forwarding option, you do not have to configure complex port
forwarding rules required to run X11 applications over a secure
To use X11 forwarding service, you should configure both
Xshell and the remote ssh server.
Select a session to enable its X11 forwarding service.
From the toolbar, click Properties.
From Category, select Connection.
For Protocol, select SSH.
From Category, Select SSH, and then Tunneling.
Select Forward X11 connections to.
If Xmanager® is installed, select Xmanager. If you are using a
different PC X server, select X DISPLAY, and then enter the
appropriate X DISPLAY information.
Click OK. Note: The X display location is the
display name of the PC X server. For Xmanager, Xshell
is able to find it automatically. For other PC X server programs,
you need to configure it manually. In most cases, "localhost:0.0"
will be fine. For more information on X11 forwarding feature, see