in reply to: 5.1p1 and X11 forwarding failing http://lists.mindrot.org/pipermail/openssh-unix-dev/2009-February/027183.html I have the impression that SSH is running xauth with a filename in a temporary directory that does not exist: local:~ $ ssh -vv user at remote ... debug2: x11_get_proto: /usr/bin/xauth -f /tmp/ssh-VskgWb3776/xauthfile generate :0 MIT-MAGIC-COOKIE-1 untrusted timeout 1200 2>/dev/null ... remote:~ $ /usr/bin/xauth -f /tmp/ssh-VskgWb3776/xauthfile generate :0 MIT-MAGIC-COOKIE-1 untrusted timeout 1200 /usr/bin/xauth:? error in locking authority file /tmp/ssh-VskgWb3776/xauthfile remote:~ $ mkdir /tmp/ssh-VskgWb3776 remote:~ $ /usr/bin/xauth -f /tmp/ssh-VskgWb3776/xauthfile generate :0 MIT-MAGIC-COOKIE-1 untrusted timeout 1200 /usr/bin/xauth:? creating new authority file /tmp/ssh-VskgWb3776/xauthfile _________________________________________________________________ Windows Live Hotmail: Your friends can get your Facebook updates, right from Hotmail?. http://www.microsoft.com/middleeast/windows/windowslive/see-it-in-action/social-network-basics.aspx?ocid=PID23461::T:WLMTAGL:ON:WL:en-xm:SI_SB_4:092009