Xauthority (maybe)

[gboyce at badbelly.com (Gregory Boyce)]

On Tue, 2005-02-15 at 18:39 +0000, dan moylan wrote:
>i have two computers operating on a local net (a netgear
>wireless router) one my main server with all my files, and
>the other a satellite, both running FC2.  if i ssh into
>the server from the satellite, using my standard user
>account, and then try to launch an X application, i get
>the following message:
>
>X11 connection rejected because of wrong authentication.
>X connection to localhost:10.0 broken (explicit kill or server shutdown).

Have you tried just running X over ssh instead?

"ssh -X $HOST" (I often add a -C to compress the data transferred)

If you then launch the program, it should run with a less complex setup.
On top of that you get your information encrypted automatically.