fail2ban-regex man page

fail2ban-regex — test Fail2ban "failregex" option

Synopsis

fail2ban-regex [Options] <Log> <Regex> [Ignoreregex]

Description

Fail2Ban reads log file that contains password failure report and bans the corresponding IP addresses using firewall rules.

This tools can test regular expressions for "fail2ban".

Log

string
a string representing a log line
filename
path to a log file (/var/log/auth.log)
"systemd-journal"
search systemd journal (systemd-python required)

Regex

string
a string representing a 'failregex'
filename
path to a filter file (filter.d/sshd.conf)

Ignoreregex

string
a string representing an 'ignoreregex'
filename
path to a filter file (filter.d/sshd.conf)

Options

--version
show program's version number and exit
-h, --help
show this help message and exit
-d DATEPATTERN, --datepattern=DATEPATTERN
set custom pattern used to match date/times
-e ENCODING, --encoding=ENCODING
File encoding. Default: system locale
-r, --raw
Raw hosts, don't resolve dns
-L MAXLINES, --maxlines=MAXLINES
maxlines for multi-line regex
-m JOURNALMATCH, --journalmatch=JOURNALMATCH
journalctl style matches overriding filter file. "systemd-journal" only
-l LOG_LEVEL, --log-level=LOG_LEVEL
Log level for the Fail2Ban logger to use
-v, --verbose
Be verbose in output
-D, --debuggex
Produce debuggex.com urls for debugging there
--print-no-missed
Do not print any missed lines
--print-no-ignored
Do not print any ignored lines
--print-all-matched
Print all matched lines
--print-all-missed
Print all missed lines, no matter how many
--print-all-ignored
Print all ignored lines, no matter how many
-t, --log-traceback
Enrich log-messages with compressed tracebacks
--full-traceback
Either to make the tracebacks full, not compressed (as by default)

Author

Written by Cyril Jaquier <cyril.jaquier@fail2ban.org>. Many contributions by Yaroslav O. Halchenko and Steven Hiscocks.

Reporting Bugs

Report bugs to https://github.com/fail2ban/fail2ban/is…

See Also

fail2ban-client(1) fail2ban-server(1)

Referenced By

fail2ban(1), fail2ban-testcases(1).

July 2016 fail2ban-regex 0.9.5 User Commands