Edit file

File name : osx-afctl.conf

Content :# Fail2Ban configuration file for using afctl on Mac OS X Server 10.5 # # Anonymous author # http://www.fail2ban.org/wiki/index.php?title=HOWTO_Mac_OS_X_Server_(10.5)&diff=prev&oldid=4081 # # Ref: https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man8/afctl.8.html [Definition] actionstart = actionstop = actioncheck = actionban = /usr/libexec/afctl -a <ip> -t <bantime> actionunban = /usr/libexec/afctl -r <ip> actionprolong = %(actionunban)s && %(actionban)s

Save