Firewall
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#!/bin/sh 1. chkconfig: 3 21 91 2. description: firewall ipt=/sbin/iptables case "$1" in start) $ipt -a input $ipt -a input $ipt -a input $ipt -a input $ipt -a input
-i -i -i -i -i
eth0 eth0 eth0 eth0 eth0
-m -p -p -p -p
state --state established,related -j accept tcp --dport 20130 -j accept tcp --dport 20110-j accept udp --dport 20100 -j accept tcp --dport 20120 -j accept
$ipt -a input -i eth0 -j reject exit 0 ;; stop) $ipt -f input exit 0 ;; *) echo "usage: /etc/init.d/firewall {start|stop}" exit 1 ;; esac
-i -i -i -i -i
eth0 eth0 eth0 eth0 eth0
-m -p -p -p -p
state --state established,related -j accept tcp --dport 20130 -j accept tcp --dport 20110-j accept udp --dport 20100 -j accept tcp --dport 20120 -j accept
$ipt -a input -i eth0 -j reject exit 0 ;; stop) $ipt -f input exit 0 ;; *) echo "usage: /etc/init.d/firewall {start|stop}" exit 1 ;; esac
