fail2ban/config/filter.d/php-url-fopen.conf

# Fail2Ban configuration file
#
# Author: Arturo 'Buanzo' Busleiman <buanzo@buanzo.com.ar>
# Version 2
# fixes the failregex so REFERERS that contain =http:// don't get blocked
# (mentioned by "fasuto" (no real email provided... blog comment) in this entry:
# http://blogs.buanzo.com.ar/2009/04/fail2ban-filter-for-php-injection-attacks.html#comment-1489
#

[Definition]

# Option:  failregex
# Notes.:  regex to match this kind of request:
#
# 66.185.212.172 - - [26/Mar/2009:08:44:20 -0500] "GET /index.php?n=http://eatmyfood.hostinginfive.com/pizza.htm? HTTP/1.1" 200 114 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)"
#
failregex = ^<HOST> -.*"(GET|POST).*\?.*\=http\:\/\/.* HTTP\/.*$

# Option:  ignoreregex
# Notes.:  regex to ignore. If this regex matches, the line is ignored.
# Values:  TEXT
#
ignoreregex =