X Forwarding with telnet
Dege, Robert C.
robert.dege at ngc.com
Mon Oct 31 15:33:55 UTC 2005
Cecilio,
Thanks for the info. The modification to gdm.conf did the trick!
-Rob
> -----Original Message-----
> From: redhat-list-bounces at redhat.com
> [mailto:redhat-list-bounces at redhat.com] On Behalf Of Cecilio Marín
> Sent: Monday, October 31, 2005 3:17 AM
> To: General Red Hat Linux discussion list
> Subject: Re: X Forwarding with telnet
>
> On versions 3, default X server was XFree86, on versions 4 is
> X.org. By default on versions 4, X config files differs
> something, p. ex., not allow remote tcp conections (used by
> telnet forwarding). If allows it, you can see port 6000/tcp
> open in your host:
>
> fuser -n tcp -v 6000
>
> Also, you can see "-nolisten tcp" on X daemon string: ps -def | grep X
>
>
> 2 possible solutions: Open port 6000, or ssh forwarding.
>
> - How open port 6000/tcp? If use gdm (don't know in kdm):
> Edit /etc/gdm/gdm.conf and puts parameter "DisallowTCP=false"
> Telnet forwarding must work restarting X system.
>
> - ssh forwarding: whith command
>
> ssh <host> -X -C
>
> Probe it (local user and remote user must be the same?). The
> -X parameter means 'Tunnel Forwarding', and -C is for compression.
>
>
> Good luck!
> Cecilio M.
>
>
> Dege, Robert C. escribió:
>
> >I'm running RHEL 4, and am unable to forward X apps to my
> local display
> >when I telnet to a remote machine.
> >
> >I have correctly set the DISPLAY correctly on the remote
> machine, and
> >also ran xhost +, but am still unable to run any remote X apps on my
> >display.
> >
> >Is there some local config file that I need to modify to
> allow this? I
> >have iptables stop, and SELinux is not running.
> >
> >Thanks.
> >
> >-Rob
> >
>
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