FYI: ssh X forward behavior

Leonard den Ottolander leonard at den.ottolander.nl
Mon Jul 26 13:37:23 UTC 2004


Hi Warren,

> > [warren at metzingen warren]$ gaim
> > The program 'gaim' received an X Window System error.
> > This probably reflects a bug in the program.
> > The error was 'BadWindow (invalid Window parameter)'.

> From: Etan Reisner
> ssh changed some of it's options "recently" so that -X no longer
> forwards X the way it used to. ssh -X forwards in some sort of 'safe'
> mode which doesn't allow apps to do certain things they might want to
> do. Try ssh -Y which "[e]nables trusted X11 forwarding" according to the
> manpage.

See also https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=125838 .
Any more like these in bugzilla that are not filed under openssh?

> The man page of ssh says to be cautious of the -X option, and does not 
> mention any caution next to the -Y option.  Perhaps that could use some 
> clarification upstream, and we should mention this change of behavior in 
> FC's release notes?

Yes, please do put this in the release notes.

Leonard.

-- 
mount -t life -o ro /dev/dna /genetic/research






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