FAIL2BAN(1) - phpMan

FAIL2BAN(1)                          General Commands Manual                          FAIL2BAN(1)

NAME
       fail2ban  -  a  set  of server and client programs to limit brute force authentication at-
       tempts.

DESCRIPTION
       Fail2Ban consists of a client, server and configuration files to limit brute force authen-
       tication attempts.

       The  server  program  fail2ban-server  is responsible for monitoring log files and issuing
       ban/unban commands.  It gets configured through  a  simple  protocol  by  fail2ban-client,
       which  can also read configuration files and issue corresponding configuration commands to
       the server.

       For details on the configuration of fail2ban see the jail.conf(5) manual page.  A jail (as
       specified  in  jail.conf)  couples  filters  and actions definitions for any given list of
       files to get monitored.

       For details on the command-line options of fail2ban-server see the fail2ban-server(1) man-
       ual page.

       For  details  on  the  command-line  options  and  commands for configuring the server via
       fail2ban-client see the fail2ban-client(1) manual page.

       For testing regular expressions specified in a filter using the fail2ban-regex program may
       be of use and its manual page is fail2ban-regex(1).

LIMITATION
       Fail2Ban  is able to reduce the rate of incorrect authentications attempts however it can-
       not eliminate the risk that weak authentication presents.  Configure services to use  only
       two  factor or public/private authentication mechanisms if you really want to protect ser-
       vices.

       A local user is able to inject messages into syslog and using a Fail2Ban jail  that  reads
       from  syslog, they can effectively trigger a DoS attack against any IP. Know this risk and
       configure Fail2Ban/grant shell access accordingly.

FILES
       /etc/fail2ban/*

AUTHOR
       Manual page written by Daniel Black and Yaroslav Halchenko

REPORTING BUGS
       Report bugs to https://github.com/fail2ban/fail2ban/issues

COPYRIGHT
       Copyright (C) 2013
       Copyright of modifications held by their respective authors.  Licensed under the GNU  Gen-
       eral Public License v2 (GPL).

SEE ALSO
       fail2ban-server(1) fail2ban-client(1) fail2ban-regex(1) jail.conf(5)

Fail2Ban                                    March 2013                                FAIL2BAN(1)

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