On Thu, 9 Nov 2023, Greg Wooledge wrote: > On Thu, Nov 09, 2023 at 03:01:29PM +0000, fxkl4...@protonmail.com wrote: >> i upgraded from bullseye to bookworm with no problems >> when i try ssh with -X/-Y to the bookworm machine x11 forwarding fails >> >> debug1: Requesting X11 forwarding with authentication spoofing. >> debug1: Sending environment. >> debug1: Sending env LANG = en_US.UTF-8 >> debug1: Sending env LC_ALL = en_US.UTF-8 >> X11 forwarding request failed on channel 0 >> >> the .Xauthority file is not updated >> is there new security or configuration > > On the server, run: > > grep X11 /etc/ssh/sshd_config > > That should tell you whether X11Forwarding and its related options have > been disabled. >
$ grep X11 /etc/ssh/sshd_config X11Forwarding yes