Bug#1108150: fail2ban: /etc/fail2ban/filter.d/sshd.conf uses old _SYSTEMD_UNIT=sshd.service instead of the new _SYSTEMD_UNIT=ssh.service

[Colin Watson]

On Sat, Jun 21, 2025 at 06:22:56PM +0200, Robert Dahlem wrote:
fail2ban comes configured with:
   journalmatch = _SYSTEMD_UNIT=sshd.service + _COMM=sshd
in /etc/fail2ban/filter.d/sshd.conf
The systemd unit for SSH has been renamed to ssh.service for quite 
some time now and the line should read:
   journalmatch = _SYSTEMD_UNIT=ssh.service + _COMM=sshd

This is a duplicate of #1078208, already fixed in trixie but apparently 
not yet in bookworm.

--
Colin Watson (he/him)                              [cjwat...@debian.org]