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Server: nginx/1.29.3
System: Linux mail.sarafai.ru 6.1.0-40-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.153-1 (2025-09-20) x86_64
User: www-data (33)
PHP: 7.4.33
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File: //etc/fail2ban/filter.d/apache-pass.conf
# Fail2Ban Apache pass filter
# This filter is for access.log, NOT for error.log
#
# The knocking request must have a referer.

[Definition]

failregex = ^<HOST> - \w+ \[\] "GET <knocking_url> HTTP/1\.[01]" 200 \d+ ".*" "[^-].*"$

ignoreregex =

datepattern = ^[^\[]*\[({DATE})
              {^LN-BEG}

[Init]

knocking_url = /knocking/

# Author: Viktor Szépe