From Bugzilla Helper: User-Agent: Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0) Description of problem: after upgrading openssh to openssh-server-2.9p2-9.i386.rpm, X forwarding no longer functions properly. I had to uninstall and reinstall openssh- server-2.9p2-5.i386.rpm to use X forwarding Version-Release number of selected component (if applicable):openssh- server-2.9p2-9.i386.rpm How reproducible: Always Steps to Reproduce: 1.ssh user@upgradedsshservermachine 2.open any x application.: bash>xeyes& 3. Actual Results: invalid mit magic cookie Expected Results: seamless xforward through secure tunnel Additional info:
When you log in on the server, what are the XAUTHORITY and DISPLAY environment variables set to? What output do you get if you run ssh with the "-v" option when logging in?
ssh X11 forwarding works for me ok. I'd say this bug is a transient issue of some sort or local config problem.
By default on new openssh in sshd_config X11UseLocalhost set to yes. So, then app want connect - it try connect to $hostname (usually to real ip on ethernet/etc...), but sshd bind to localhost:7xxx port.