mirror of https://github.com/fail2ban/fail2ban
92 lines
3.0 KiB
Plaintext
92 lines
3.0 KiB
Plaintext
# Fail2Ban configuration file
|
|
#
|
|
# Author: Nick Munger
|
|
# Modified by: Ken Menzel
|
|
# Daniel Black (start/stop)
|
|
# Fabian Wenk (many ideas as per fail2ban users list)
|
|
#
|
|
# Ensure firewall_enable="YES" in the top of /etc/rc.conf
|
|
#
|
|
|
|
[Definition]
|
|
|
|
# Option: actionstart
|
|
# Notes.: command executed once at the start of Fail2Ban.
|
|
# Values: CMD
|
|
#
|
|
actionstart = ipfw show | fgrep -c -m 1 -s 'table(<table>)' > /dev/null 2>&1 || ( ipfw show | awk 'BEGIN { b = <lowest_rule_num> } { if ($1 < b) {} else if ($1 == b) { b = $1 + 1 } else { e = b } } END { if (e) exit e <br> else exit b }'; num=$?; ipfw -q add $num <blocktype> <block> from table\(<table>\) to me <port>; echo $num > "<startstatefile>" )
|
|
|
|
|
|
# Option: actionstop
|
|
# Notes.: command executed once at the end of Fail2Ban
|
|
# Values: CMD
|
|
#
|
|
actionstop = [ ! -f <startstatefile> ] || ( read num < "<startstatefile>" <br> ipfw -q delete $num <br> rm "<startstatefile>" )
|
|
|
|
|
|
# Option: actioncheck
|
|
# Notes.: command executed once before each actionban command
|
|
# Values: CMD
|
|
#
|
|
actioncheck =
|
|
|
|
|
|
# Option: actionban
|
|
# Notes.: command executed when banning an IP. Take care that the
|
|
# command is executed with Fail2Ban user rights.
|
|
# Tags: See jail.conf(5) man page
|
|
# Values: CMD
|
|
#
|
|
# requires an ipfw rule like "deny ip from table(1) to me"
|
|
actionban = e=`ipfw table <table> add <ip> 2>&1`; x=$?; [ $x -eq 0 -o "$e" = 'ipfw: setsockopt(IP_FW_TABLE_XADD): File exists' ] || { echo "$e" 1>&2; exit $x; }
|
|
|
|
|
|
# Option: actionunban
|
|
# Notes.: command executed when unbanning an IP. Take care that the
|
|
# command is executed with Fail2Ban user rights.
|
|
# Tags: See jail.conf(5) man page
|
|
# Values: CMD
|
|
#
|
|
actionunban = e=`ipfw table <table> delete <ip> 2>&1`; x=$?; [ $x -eq 0 -o "$e" = 'ipfw: setsockopt(IP_FW_TABLE_XDEL): No such process' ] || { echo "$e" 1>&2; exit $x; }
|
|
|
|
[Init]
|
|
# Option: table
|
|
# Notes: The ipfw table to use. If a ipfw rule using this table already exists,
|
|
# this action will not create a ipfw rule to block it and the following
|
|
# options will have no effect.
|
|
# Values: NUM
|
|
table = 1
|
|
|
|
# Option: port
|
|
# Notes.: Specifies port to monitor. Blank indicate block all ports.
|
|
# Values: [ NUM | STRING ]
|
|
#
|
|
port =
|
|
|
|
# Option: startstatefile
|
|
# Notes: A file to indicate that the table rule that was added. Ensure it is unique per table.
|
|
# Values: STRING
|
|
startstatefile = /var/run/fail2ban/ipfw-started-table_<table>
|
|
|
|
# Option: block
|
|
# Notes: This is how much to block.
|
|
# Can be "ip", "tcp", "udp" or various other options.
|
|
# Values: STRING
|
|
block = ip
|
|
|
|
# Option: blocktype
|
|
# Notes.: How to block the traffic. Use a action from man 5 ipfw
|
|
# Common values: deny, unreach port, reset
|
|
# ACTION defination at the top of man ipfw for allowed values.
|
|
# Values: STRING
|
|
#
|
|
blocktype = unreach port
|
|
|
|
# Option: lowest_rule_num
|
|
# Notes: When fail2ban starts with action and there is no rule for the given table yet
|
|
# then fail2ban will start looking for an empty slot starting with this rule number.
|
|
# Values: NUM
|
|
lowest_rule_num = 111
|
|
|
|
|