HOWTOs

Configuration

Integrate fail2ban with WordPress: Spam Log Plugin
German Howto
How To Español
Ipcop How To
System: fail2ban and iptables from The Art of Web
Using fail2ban to Block Brute Force Attacks by Marius Ducea
Fail2ban: an enemy of script-kiddies by Yaroslav Halchenko
HOWTO fail2ban explains how to install and use Fail2ban on Gentoo.
HOWTO fail2ban with qpopper - configure qpopper pop3 services with fail2ban
fail2ban with SquirrelMail - instructions and links
fail2ban with OpenSuse 10.3 - step by step instructions on using fail2ban with OpenSuse with courier email services, etc.
HOWTO fail2ban and sendmail - sendmail on a Debian system; also see Sendmail
HOWTO - Geographically localize the banned IPs
HOWTO fail2ban with Mod_Security 2.5 - configure fail2ban to use Mod_Security 2.5 logs
HOWTO fail2ban and lighttpd - FastCGI's ALERT filter.d config
HOWTO fail2ban and PHP remote script injection via GET/POST variables using allow_url_fopen and such - Fail2ban filter to match "GET /script.php?variable=http://evil.com/evil.txt?" attacks.
Fail2ban monitoring Fail2ban - explains how to block really persistent attackers.
Fail2Ban Unbanning Single - a decent document for unbanning using IPTables, worked well when tested.
HOWTO ban apache proxy requests - Fail2ban filter to ban bots/scripts that automatically try to use your apache server as a proxy