Fail2Ban

Overview

Fail2Ban provides intrusion prevention with 13 active jails.

Field	Value
Service	fail2ban.service
Jails	13

Active Jails

Jail	Service Protected
sshd	SSH brute-force
postfix	SMTP auth failures
dovecot	IMAP/POP3 auth failures
sasl	SASL auth failures
nginx-http-auth	Web auth failures
pam-generic	PAM auth failures
yunohost	portal login
yunohost-portal	Portal login
vaultwarden	Vaultwarden login
kanboard	Kanboard login
ntfy	ntfy API abuse
httpsh	HTTPShell abuse
recidive	Repeat offender ban escalation

Recidive Protection

The recidive jail catches IPs that have been banned multiple times across other jails, applying longer bans.