On Wed, Aug 27, 2008 at 10:31 AM, P. Larry Nelson <[EMAIL PROTECTED]> wrote: > We've run into a problem with ssh X11 forwarding, apparently since > the 8/23/2008 yum update of openssh packages. > > In the very recent past we were able to 'ssh -X' from an SL 4.6 host > to another SL 4.6 system, and from there do an 'ssh -X' to a third > SL 4.6 system and have X11 traffic pipe its way back to the original > host with no problems. > > Now, in the last few days, we find that the 'ssh -X' from first host > to second works fine, but then an 'ssh -X' to the third results in: > > Warning: untrusted X11 forwarding setup failed: xauth key data not generated > Warning: No xauth data; using fake authentication data for X11 forwarding. > > And firing up any X11 app on the third host fails with: > > X11 connection rejected because of wrong authentication. > X connection to localhost:12.0 broken (explicit kill or server shutdown). >
This actually sounds like the security fix is working. Does ssh -X -Y do what you want? Say hi to Andy at roadkill for me :). > I've started googling for this, but thought I'd throw it out in case > others are experiencing the same problem or maybe Troy/Connie have a > thought or fix. > > Thanks! > - Larry > -- > P. Larry Nelson (217-244-9855) | Systems/Network Administrator > 461 Loomis Lab | High Energy Physics Group > 1110 W. Green St., Urbana, IL | Physics Dept., Univ. of Ill. > MailTo:[EMAIL PROTECTED] | http://www.roadkill.com/lnelson/ > ------------------------------------------------------------------- > "Information without accountability is just noise." - P.L. Nelson > -- Stephen J Smoogen. -- BSD/GNU/Linux How far that little candle throws his beams! So shines a good deed in a naughty world. = Shakespeare. "The Merchant of Venice"
