Question about remote X authorizations

[Marcus Frischherz]

Zitat von Alexander Gottwald <alexander.gottwald@s1999.tu-chemnitz.de>:

> On Thu, 24 Mar 2005, Marcus Frischherz wrote:
> [... problems with X11 forwarding..]
> 
> Actually it should. Maybe there is still a problem with DNS. Check
> /tmp/XWin.log for 
> AUDIT messages. Does the IP address there match the ip address of serverB?

there is no message in /tmp/XWin.log when I do this
> 
> running "xhost serverB" is nearly equivalent of putting it in /etc/X0.hosts.
> Does this 
> fix the problem?
>
well... I tried this as well, if I am correct, I have to do this on serverA? It
had no effect. However, I am confused about the whole X11 authorization
concept.  I am not sure whether the problem lies within the client or serverB
or serverA. Anyway, on the cygwin shell (I start xwin from a local cygwin
shell) I cannot do a xhost, I am told, that unable to open display "", and when
I set the DISPLAY variable to client:0.0 the error message becomes: 
AUDIT: client rejected from (local IP address)
Xlib: connection to client:0.0 refused by server
Xlib: No protocol specified

> BTW: Because of low network security of X11 I strongly advise using ssh with
> X11Forwarding
> for all remote xprograms. 
> 

I know. However, I am not the one to install the servers, and they are all
within one company LAN.

regards,

Marcus

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