Re: connection to "<hostname>:0.0" refused by server when runningvia XDMCP

[Igor Pechtchanski <pechtcha at cs dot nyu dot edu>]

On Wed, 26 Oct 2005, Reinhard Müller wrote:

> Hello, all,
>
> I use cygwin/x to make my Windows PC a X Windows terminal: I connect to
> my GNU/Linux machine via XDMCP. Everything works fine as long as I don't
> want to change the user.
>
> However, when I try to execute a program as a different user, I get the
> following error message:
>
> $ su sabine xterm
> Xlib: connection to "dhcp0.europe.localnet:0.0" refused by server
> Xlib: No protocol specified
>
> xterm Xt error: Can't open display: dhcp0.europe.localnet:0.0
>
> (dhcp0.europe.localnet is the name of the Windows PC where cygwin/x
> runs)
>
> Any hint about how to fix this is highly appreciated.

You'll need to allow connections from localhost: try "xhost + localhost"
from the original user.
	Igor
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