fail2ban/config/filter.d/proftpd.conf

# Fail2Ban configuration file
#
# Author: Yaroslav Halchenko
#
# $Revision: 331 $
#

[Definition]

# Option: failregex
# Notes.: regex to match the password failures messages in the logfile.
# Values: TEXT
#
failregex = USER \S+: no such user found from \S* ?\[(?P<host>\S+)\] to \S+\s*$

# Option:  ignoreregex
# Notes.:  regex to ignore. If this regex matches, the line is ignored.
# Values:  TEXT
#
#ignoreregex = user: myusername