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Create iptables.sh

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FusionPBX 2017-08-08 10:22:03 -05:00 committed by GitHub
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centos/resources/firewall/iptables.sh Normal file
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#!/bin/sh
#move to script directory so all relative paths work
cd "$(dirname "$0")"
. ./config.sh
. ./colors.sh
#send a message
verbose "Configuring IPTables"
#run iptables commands
iptables -A INPUT -i lo -j ACCEPT
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -j DROP -p udp --dport 5060:5061 -m string --string "friendly-scanner" --algo bm
iptables -A INPUT -j DROP -p udp --dport 5060:5061 -m string --string "sipcli/" --algo bm
iptables -A INPUT -j DROP -p udp --dport 5060:5061 -m string --string "VaxSIPUserAgent/" --algo bm
iptables -A INPUT -j DROP -p tcp --dport 5060:5061 -m string --string "friendly-scanner" --algo bm
iptables -A INPUT -j DROP -p tcp --dport 5060:5061 -m string --string "sipcli/" --algo bm
iptables -A INPUT -j DROP -p tcp --dport 5060:5061 -m string --string "VaxSIPUserAgent/" --algo bm
iptables -A INPUT -j DROP -p udp --dport 5080:5081 -m string --string "friendly-scanner" --algo bm
iptables -A INPUT -j DROP -p udp --dport 5080:5081 -m string --string "sipcli/" --algo bm
iptables -A INPUT -j DROP -p udp --dport 5080:5081 -m string --string "VaxSIPUserAgent/" --algo bm
iptables -A INPUT -j DROP -p tcp --dport 5080:5081 -m string --string "friendly-scanner" --algo bm
iptables -A INPUT -j DROP -p tcp --dport 5080:5081 -m string --string "sipcli/" --algo bm
iptables -A INPUT -j DROP -p tcp --dport 5080:5081 -m string --string "VaxSIPUserAgent/" --algo bm
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j ACCEPT
iptables -A INPUT -p tcp --dport 5060:5061 -j ACCEPT
iptables -A INPUT -p udp --dport 5060:5061 -j ACCEPT
iptables -A INPUT -p tcp --dport 5080:5081 -j ACCEPT
iptables -A INPUT -p udp --dport 5080:5081 -j ACCEPT
iptables -A INPUT -p udp --dport 16384:32768 -j ACCEPT
iptables -A INPUT -p icmp --icmp-type echo-request -j ACCEPT
iptables -A INPUT -p udp --dport 1194 -j ACCEPT
iptables -t mangle -A OUTPUT -p udp -m udp --sport 16384:32768 -j DSCP --set-dscp 46
iptables -t mangle -A OUTPUT -p udp -m udp --sport 5060:5081 -j DSCP --set-dscp 26
iptables -t mangle -A OUTPUT -p tcp -m tcp --sport 5060:5081 -j DSCP --set-dscp 26
iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT ACCEPT
#make the iptables persistent