Bug#1069236: openssh-server: X over ssh fails with "cannot open display"

Package: openssh-server
Version: 1:9.7p1-4
Severity: important
X-Debbugs-Cc: [email protected]

On four Sid machines here X over ssh fails with "cannot open display".

Resolved the issue by editing /etc/ssh/sshd_config and changing

#AddressFamily any

to

AddressFamily inet

and restarting sshd.



-- System Information:
Debian Release: trixie/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.7.9-amd64 (SMP w/16 CPU threads; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages openssh-server depends on:
ii  adduser                    3.137
ii  debconf [debconf-2.0]      1.5.86
ii  init-system-helpers        1.66
ii  libaudit1                  1:3.1.2-2.1
ii  libc6                      2.37-17
ii  libcom-err2                1.47.0-2.4
ii  libcrypt1                  1:4.4.36-4
ii  libgssapi-krb5-2           1.20.1-6+b1
ii  libkrb5-3                  1.20.1-6+b1
ii  libpam-modules             1.5.3-7
ii  libpam-runtime             1.5.3-7
ii  libpam0g                   1.5.3-7
ii  libselinux1                3.5-2+b2
ii  libssl3t64                 3.2.1-3
ii  libwrap0                   7.6.q-33
ii  openssh-client             1:9.7p1-4
ii  openssh-sftp-server        1:9.7p1-4
ii  procps                     2:4.0.4-4
ii  runit-helper               2.16.2
ii  sysvinit-utils [lsb-base]  3.09-1
ii  ucf                        3.0043+nmu1
ii  zlib1g                     1:1.3.dfsg-3.1

Versions of packages openssh-server recommends:
ii  libpam-systemd [logind]  255.4-1+b1
ii  ncurses-term             6.4+20240414-1
ii  xauth                    1:1.1.2-1

Versions of packages openssh-server suggests:
pn  molly-guard   <none>
pn  monkeysphere  <none>
ii  ssh-askpass   1:1.2.4.1-16+b1
pn  ufw           <none>

-- debconf information excluded