Add URL block filter in Fail2ban for Apache2 Create a filter file in /etc/fail2ban/filter.d/ as e.g. block-url.conf (/etc/fail2ban/filter.d/block-url.conf)Containing:[Definition] failregex = ^<HOST> -.*\\"(GET|POST).*/cgi-bin/luci.*$ # ignoreregex = datepattern = %%d/%%b/%%Y:%%H:%%M:%%S \\\\-%%fThis will detect the string