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/usr/local/bin/fail2ban_banned_db: not found
REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER:
- iRedMail version (check /etc/iredmail-release): 1.7.4 MARIADB edition
- Deployed with iRedMail Easy or the downloadable installer? downloadable installer
- Linux/BSD distribution name and version: Ubuntu 24.04
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? no
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
2025-09-26T08:39:55.694763+02:00 mail fail2ban.utils[149746]: ERROR 75406d83d500 -- stderr: '2025-09-26T08:09:02.453172+02:00 mail sshd[147740]: Invalid user client from xx.xx.xx.xx port 29252: 2: /usr/local/bin/fail2ban_banned_db: not found'
Wrong path to the shell.
# head /usr/local/bin/fail2ban_banned_db
#!/usr/local/bin/bash
# Author: Zhang Huangbin <[email protected]>
# Puprpose:
# - Store banned IP address in SQL db while it's banned by Fail2ban.
# - Remove unbanned IP address from SQL db while it's unbanned by Fail2ban.
# - Unban IP addresses which have column `remove=1`.
# Usage:
#
# *) Store a banned IP address:
