Re: Can't open display -- SOLVED

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Paul Howarth wrote:
William Hooper wrote:

Paul Howarth wrote:
[snip]

Perhaps a -Y flag is required.
I'm not sure what "trusted X11 forwarding" means.


There's a brief mention of it in "man ssh_config". It's not normally
needed for the vast majority of apps



My experience is the complete opposite. Red Hat has even issued an Errata for RHEL 4 making trusted forwarding the default. I believe the only apps I have personally seen that work with untrusted forwarding are things like
xeyes and xterm (as long as you don't want to copy and paste).

Take a look at this comment from Mike Harris:

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=137685#c15


Interesting; just this morning I was remotely administering a SuSE box running yast2 over an ssh -X connection, last night I used rdesktop over one and I've definitely run firefox over one in the past. I wasn't doing much (any?) copying and pasting though.

D'oh!

Reading further up the list of comments in the bug report above, I see that the default configuration in the errata packages (which I have of course) is to enable trusted forwarding by default, so ssh -X and ssh -Y behave the same. So when I *thought* I was using untrusted mode by using ssh -X, I was in fact using trusted mode anyway.

Apologies for any confusion caused...

Paul.


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