deny of x sessions

Alain G. Fabry alainfabry at
Thu Nov 16 12:58:06 PST 2006

With ssh it works, both with -Y and -X, but I need this to work also with regular telnet.


On Thu, Nov 16, 2006 at 11:53:18AM -0800, Garrett Cooper wrote:
> Alain G. Fabry wrote:
> >Hey,
> >
> >I've just installed KDE 4.5.3 on a FreeBSD 6.1 system.
> >
> >I'm having problem getting an x-window from another PC when I'm connected 
> >to that PC via telnet (with ssh -X .... everything works fine)
> >
> >When I telnet to the other machine and export/setenv my DISPLAY 
> >environment towards the display I'm telnetting from, I get the following 
> >error.
> >
> >xterm Xt error: Can't open display:
> >
> >I've already tried to change the kdmrc by removing the -nolisten tcp or 
> >commenting out
> >
> >ServerArgsLocal=-nolisten tcp
> >
> >but this does not seem to work either....when I reboot, it even undoes all 
> >the changes I've made to the file (as root)
> >
> >Anybody can give me some advise on what I need to do to accept incoming 
> >x11 requests.
> >
> >x11 packets are received (seen by a tcpdump) but it just does not want to 
> >work.
> >
> >Just for you info, I did not forget the xhost +
> >
> >Thanks in advance.
> Try ssh -Y instead of ssh -X. ssh -X was deprecated some time ago due to 
> security concerns I believe over trusted hosts and X11 forwarding 
> (Google that particular flag because there are a lot of discussion items 
> out there about this).
> -Garrett
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