Edit file File name : 503.conf Content :# Fail2Ban configuration file # # Author: Marcus Hildum # [Definition] # Option: failregex # Notes.: regex to match the password failure messages in the logfile. The # host must be matched by a group named "host". The tag "<HOST>" can # be used for standard IP/hostname matching and is only an alias for # (?:::f{4,6}:)?(?P<host>[\w\-.^_]+) # Values: TEXT # failregex = .*"client": "<HOST>",.*"status": 503, # Option: ignoreregex # Notes.: regex to ignore. If this regex matches, the line is ignored. # Values: TEXT # ignoreregex = Save