# apt-get install fail2ban # cp /etc/fail2ban/fail2ban.conf /etc/fail2ban/fail2ban.local # cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local # rm /etc/fail2ban/jail.d/*
# vi /etc/fail2ban/action.d/iptables-asterisk.conf
# Fail2Ban configuration file # # Author: Razvan Turtureanu # # $Revision$ # [Definition] # Option: actionstart # Notes.: command executed once at the start of Fail2Ban. # Values: CMD # actionstart = iptables -N fail2ban-<name> iptables -A fail2ban-<name> -j RETURN iptables -I <chain> -p tcp --dport 5061 -j fail2ban-<name> iptables -I <chain> -p udp --dport 5060 -j fail2ban-<name> iptables -I <chain> -p tcp --dport 5060 -j fail2ban-<name> # Option: actionstop # Notes.: command executed once at the end of Fail2Ban # Values: CMD # actionstop = iptables -D <chain> -p tcp --dport 5061 -j fail2ban-<name> iptables -D <chain> -p udp --dport 5060 -j fail2ban-<name> iptables -D <chain> -p tcp --dport 5060 -j fail2ban-<name> iptables -F fail2ban-<name> iptables -X fail2ban-<name> # Option: actioncheck # Notes.: command executed once before each actionban command # Values: CMD # actioncheck = iptables -n -L <chain> | grep -q fail2ban-<name> # Option: actionban # Notes.: command executed when banning an IP. Take care that the # command is executed with Fail2Ban user rights. # Tags: <ip> IP address # <failures> number of failures # <time> unix timestamp of the ban time # Values: CMD # actionban = iptables -I fail2ban-<name> 1 -s <ip> -j DROP # Option: actionunban # Notes.: command executed when unbanning an IP. Take care that the
# vi /etc/fail2ban/jail.local
[DEFAULT] bantime = 864000 ; 10 day ignoreip = 127.0.0.1 192.168.1.0/24 8.8.8.8 8.8.4.4 117.102.195.171 167.99.119.244 167.99.119.203 167.99.48.91 165.227.184.188 159.65.253.49 159.65.252.186 159.65.251.173 159.65.186.176 107.170.123.70 [sshd] enabled = true [asterisk] enabled = true filter = asterisk action = iptables-asterisk[name=asterisk] sendmail[name=Asterisk, dest=ckenko25@gmail.com, sender=root] logpath = /var/log/asterisk/full bantime = 31536000 ; 1 year findtime = 86400 ;1 day maxretry = 5
再起動と確認
# /etc/init.d/fail2ban restart
# fail2ban-client status
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