All recipes

Basics

• Fail2ban bantime, findtime & maxretry Explained (with Examples) 3 min →
• How to Set Up jail.local in Fail2ban (the Right Way) 3 min →
• How to Switch Fail2ban to nftables (banaction) 3 min →
• How to Test a Fail2ban Filter Before Enabling It (fail2ban-regex) 3 min →
• How to Unban an IP in Fail2ban (and See Who's Banned) 2 min →
• How to Whitelist Your IP in Fail2ban (ignoreip) 2 min →

SSH

• How to Protect SSH with Fail2ban (sshd jail) 3 min →
• Fail2ban for SSH on systemd journald (no /var/log/auth.log) 3 min →

Nginx

• Block Bad Bots & 404 Scanners with Fail2ban (nginx-botsearch) 3 min →
• Fail2ban Jail for Nginx HTTP Basic Auth (nginx-http-auth) 2 min →
• Rate-limit Abusers with Fail2ban + Nginx limit_req (nginx-limit-req) 3 min →

Apache

• Fail2ban Jails for Apache: Auth & Bad Bots 3 min →

Mail

• Fail2ban for Postfix & Dovecot (stop SMTP/IMAP brute force) 3 min →

Apps

• Fail2ban for WordPress Login & XML-RPC (custom filter) 4 min →

Advanced

• Fail2ban recidive: Ban Repeat Offenders for Much Longer 3 min →