Comment 0 for bug 2055114

Was working in 22.04, but after upgrading to 24.04 I get this:

× fail2ban.service - Fail2Ban Service
     Loaded: loaded (/etc/systemd/system/fail2ban.service; enabled; preset: enabled)
     Active: failed (Result: exit-code) since Sun 2024-02-25 02:27:29 PST; 1 day 18h ago
   Duration: 2.330s
       Docs: man:fail2ban(1)
    Process: 1130 ExecStartPre=/bin/mkdir -p /run/fail2ban (code=exited, status=0/SUCCESS)
    Process: 1133 ExecStart=/usr/local/bin/fail2ban-server -xf start (code=exited, status=255/EXCEPTION)
   Main PID: 1133 (code=exited, status=255/EXCEPTION)
        CPU: 660ms

Feb 25 02:27:26 mx1 systemd[1]: Starting fail2ban.service - Fail2Ban Service...
Feb 25 02:27:26 mx1 systemd[1]: Started fail2ban.service - Fail2Ban Service.
Feb 25 02:27:28 mx1 fail2ban-server[1133]: 2024-02-25 02:27:28,952 fail2ban [1133]: ERROR No module named 'asynchat'
Feb 25 02:27:29 mx1 systemd[1]: fail2ban.service: Main process exited, code=exited, status=255/EXCEPTION
Feb 25 02:27:29 mx1 systemd[1]: fail2ban.service: Failed with result 'exit-code'.

grep fail2ban syslog
2024-02-25T02:25:17.813593-08:00 mx1 systemd[1]: Stopping fail2ban.service - Fail2Ban Service...
2024-02-25T02:27:26.625640-08:00 mx1 systemd[1]: Starting fail2ban.service - Fail2Ban Service...
2024-02-25T02:27:26.678572-08:00 mx1 systemd[1]: Started fail2ban.service - Fail2Ban Service.
2024-02-25T02:27:28.954548-08:00 mx1 fail2ban-server[1133]: 2024-02-25 02:27:28,952 fail2ban [1133]: ERROR No module named 'asynchat'
2024-02-25T02:27:29.004733-08:00 mx1 systemd[1]: fail2ban.service: Main process exited, code=exited, status=255/EXCEPTION
2024-02-25T02:27:29.004834-08:00 mx1 systemd[1]: fail2ban.service: Failed with result 'exit-code'.

Seems 24.04 is missing a python 3.12 module 'asynchat'.

This leaves my systems vulnerable to brute-force password guessing attacks.

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: fail2ban 1.0.2-3
Uname: Linux 6.7.6 x86_64
ApportVersion: 2.28.0-0ubuntu1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: MATE
Date: Mon Feb 26 20:33:12 2024
InstallationDate: Installed on 2017-08-14 (2388 days ago)
InstallationMedia: Ubuntu-MATE 17.04 "Zesty Zapus" - Release amd64 (20170412)
PackageArchitecture: all
SourcePackage: fail2ban
UpgradeStatus: Upgraded to noble on 2024-01-23 (35 days ago)