From 512afda668386575e4d146d22161ca3afa3af728 Mon Sep 17 00:00:00 2001 From: mbm Date: Thu, 12 Aug 2004 05:47:00 +0000 Subject: moved. git-svn-id: svn://svn.openwrt.org/openwrt/trunk@134 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../sources/openwrt/root/etc/init.d/S45firewall | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100755 obsolete-buildroot/sources/openwrt/root/etc/init.d/S45firewall (limited to 'obsolete-buildroot/sources/openwrt/root/etc/init.d/S45firewall') diff --git a/obsolete-buildroot/sources/openwrt/root/etc/init.d/S45firewall b/obsolete-buildroot/sources/openwrt/root/etc/init.d/S45firewall new file mode 100755 index 000000000..4885c7c08 --- /dev/null +++ b/obsolete-buildroot/sources/openwrt/root/etc/init.d/S45firewall @@ -0,0 +1,23 @@ +#!/bin/sh +. /etc/functions.sh + +WAN=$(nvram_get wan_ifname) + +IPT=/usr/sbin/iptables + +for T in filter nat mangle ; do + $IPT -t $T -F + $IPT -t $T -X +done + +$IPT -t filter -A INPUT -m state --state INVALID -j DROP +$IPT -t filter -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT +$IPT -t filter -A INPUT -p icmp -j ACCEPT +$IPT -t filter -A INPUT -i $WAN -p tcp -j REJECT --reject-with tcp-reset +$IPT -t filter -A INPUT -i $WAN -j REJECT --reject-with icmp-port-unreachable +$IPT -t filter -A FORWARD -m state --state INVALID -j DROP +$IPT -t filter -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT +$IPT -t filter -A FORWARD -i $WAN -m state --state NEW,INVALID -j DROP +$IPT -t filter -A FORWARD -o $WAN -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu + +$IPT -t nat -A POSTROUTING -o $WAN -j MASQUERADE -- cgit v1.2.3