> I'm was trying to use x-windows over a telefone line (using ppp). My
> linux-box using ip-masq for going on the local network. Every services
> works (telnet, ping ,ftp,xdm .....) but when i wanna start an x-windows
> session. No x-windows will appear on my screen. (I use exceed on PC).
> What is happening. Can anybody help me ??
>
The X clients (like netscape, etc.) need to be able to connect to your
computer (the X server.) Running X programs on your linux box should be
ok (so long as the DISPLAY environment variable is set or the -display
argument is passed to the program.) Running X programs from outside the
firewall will not work because the connections cannot go back
through the masquerade. unless...
What I did was to use plug-gw to redirect the different X ports on my
firewall to different clients. ":0" (port 6000) was the linux box, ":1"
(port 6001) was my windows computer, etc. This requires adding a line
like this to /etc/inetd.conf:
X1 stream tcp nowait nobody /usr/sbin/plug-gw plug-gw X1
and a line like this to /etc/services:
X1 6001/tcp
Then, assuming your firewall computer is aaa.bbb.ccc.ddd and your windows
computer is eee.fff.ggg.hhh, then you could do the following:
>From your firewall:
xterm -display eee.fff.ggg.hhh:0
>From outside your firewall:
xterm -display aaa.bbb.ccc.ddd:1
-Mike
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