# Fail2Ban configuration file # # Author: Jan Wagner <waja@cyconet.org> # # [Definition] # 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 = : badlogin: .*\[<HOST>\] plaintext .*SASL\(-13\): authentication failure: checkpass failed$ : badlogin: .*\[<HOST>\] LOGIN \[SASL\(-13\): authentication failure: checkpass failed\]$ : badlogin: .*\[<HOST>\] (?:CRAM-MD5|NTLM) \[SASL\(-13\): authentication failure: incorrect (?:digest|NTLM) response\]$ : badlogin: .*\[<HOST>\] DIGEST-MD5 \[SASL\(-13\): authentication failure: client response doesn't match what we generated\]$ # Option: ignoreregex # Notes.: regex to ignore. If this regex matches, the line is ignored. # Values: TEXT # ignoreregex =