Package: fail2ban Version: 0.10.2-1 Severity: normal Dear Maintainer,
After upgrading fail2ban, it no longer starts. The error message is: fail2ban Failed during configuration: Bad value substitution: option 'mode' in section 'Definition' contains an interpolation key 'ddos' which is not a valid option name. Raw value: '%(ddos)s' The problem is in /etc/fail2ban/filter.d/sshd-ddos.conf -- System Information: Debian Release: buster/sid APT prefers stable APT policy: (990, 'stable'), (500, 'oldstable'), (300, 'unstable') Architecture: amd64 (x86_64) Kernel: Linux 4.15.0-rc7+ (SMP w/4 CPU cores) Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968), LANGUAGE=en_AU:en (charmap=ANSI_X3.4-1968) Shell: /bin/sh linked to /bin/dash Init: sysvinit (via /sbin/init) Versions of packages fail2ban depends on: ii lsb-base 9.20161125 ii python3 3.6.4-1 Versions of packages fail2ban recommends: ii iptables 1.6.0+snapshot20161117-6 ii python 2.7.13-2 pn python3-pyinotify <none> pn python3-systemd <none> ii whois 5.3.0 Versions of packages fail2ban suggests: ii bsd-mailx [mailx] 8.1.2-0.20160123cvs-4 pn monit <none> ii rsyslog [system-log-daemon] 8.32.0-1 pn sqlite3 <none> -- no debconf information