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| author | Mike Baker <mbm@openwrt.org> | 2004-08-12 05:47:00 +0000 |
|---|---|---|
| committer | Mike Baker <mbm@openwrt.org> | 2004-08-12 05:47:00 +0000 |
| commit | ab8c3f11f4efaff748c7940dc96d9c4fa91dab24 (patch) | |
| tree | 705b07b306a36c583e1d7e3f62dc6701bfd04118 /obsolete-buildroot/sources/openwrt/root/etc/init.d/S45firewall | |
| parent | 687dd472af74db91cb9654f72510f224fe7bd4ea (diff) | |
| download | mtk-20170518-ab8c3f11f4efaff748c7940dc96d9c4fa91dab24.zip mtk-20170518-ab8c3f11f4efaff748c7940dc96d9c4fa91dab24.tar.gz mtk-20170518-ab8c3f11f4efaff748c7940dc96d9c4fa91dab24.tar.bz2 | |
moved.
SVN-Revision: 134
Diffstat (limited to 'obsolete-buildroot/sources/openwrt/root/etc/init.d/S45firewall')
| -rwxr-xr-x | obsolete-buildroot/sources/openwrt/root/etc/init.d/S45firewall | 23 |
1 files changed, 23 insertions, 0 deletions
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 0000000..4885c7c --- /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 |