Исправление jura12, (текущая версия) :
а фильтр /etc/fail2ban/filter.d/squid.conf включали?
# Fail2Ban filter for Squid attempted proxy bypasses
#
#
[Definition]
failregex = ^\s+\d\s<HOST>\s+[A-Z_]+_DENIED/403 .*$
^\s+\d\s<HOST>\s+NONE/405 .*$
ignoreregex =
datepattern = {^LN-BEG}Epoch
{^LN-BEG}
# Author: Daniel Black
Исходная версия jura12, :
а фильтр squid.conf включали?
# Fail2Ban filter for Squid attempted proxy bypasses
#
#
[Definition]
failregex = ^\s+\d\s<HOST>\s+[A-Z_]+_DENIED/403 .*$
^\s+\d\s<HOST>\s+NONE/405 .*$
ignoreregex =
datepattern = {^LN-BEG}Epoch
{^LN-BEG}
# Author: Daniel Black