How to find out why Fail2ban blocked a user
Fail2ban doesn’t have logging to show you that a which “user” gets blocked. The reason is Fail2ban is a low level utility that works across
/var/log/messages
SNMP Troubleshooting
SNMP Troubleshooting Tips SNMP logs events to /var/log/messages The key to solving SNMP issues is to examine that log file. Also check /etc/hosts.deny it could