Write only changes to file - avoid duplicates Post: 303028014

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fail2ban-regex

FAIL2BAN-REGEX(1)						   User Commands						 FAIL2BAN-REGEX(1)

NAME

       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

       -c CONFIG, --config=CONFIG
	      set alternate config directory

       -d DATEPATTERN, --datepattern=DATEPATTERN
	      set custom pattern used to match date/times

       --timezone=TIMEZONE, --TZ=TIMEZONE
	      set time-zone used by convert time format

       -e ENCODING, --encoding=ENCODING
	      File encoding. Default: system locale

       -r, --raw
	      Raw hosts, don't resolve dns

       --usedns=USEDNS
	      DNS specified replacement of tags <HOST> in regexp ('yes' - matches all form of hosts, 'no' - IP addresses only)

       -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
	      Increase verbosity

       --verbosity=VERBOSE
	      Set numerical level of verbosity (0..4)

       --verbose-date, --VD
	      Verbose date patterns/regex 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/issues

COPYRIGHT

       Copyright (C) 2004-2008 Cyril Jaquier, 2008- Fail2Ban Contributors
       Copyright of modifications held by their respective authors.  Licensed under the GNU General Public License v2 (GPL).

SEE ALSO

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

fail2ban-regex 0.10.2						   January 2018 						 FAIL2BAN-REGEX(1)