Edit file File name : nsd.conf Content :# Fail2Ban configuration file # # Author: Bas van den Dikkenberg # # [INCLUDES] # Read common prefixes. If any customizations available -- read them from # common.local before = common.conf [Definition] _daemon = nsd # Option: failregex # Notes.: regex to match the password failures 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 = ^%(__prefix_line)sinfo: ratelimit block .* query <HOST> TYPE255$ ^%(__prefix_line)sinfo: .* <HOST> refused, no acl matches\.$ ignoreregex = datepattern = {^LN-BEG}Epoch {^LN-BEG}Save