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mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-11-28 22:01:54 +02:00

make S45firewall execute scripts in /etc/firewall.d

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@496 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2005-03-31 23:17:31 +00:00
parent da3d85736b
commit dfdc119af8

View File

@ -1,23 +1,33 @@
#!/bin/sh
. /etc/functions.sh
WAN=$(nvram get wan_ifname)
IPT=/usr/sbin/iptables
export WAN=$(nvram get wan_ifname)
export IPT=/usr/sbin/iptables
for T in filter nat mangle ; do
$IPT -t $T -F
$IPT -t $T -X
done
# initial rules
$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 -p 47 -j ACCEPT # allow GRE
$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
if [ -d /etc/firewall.d ]; then
for fw in /etc/firewall.d/??*; do
[ -x $fw ] && $fw
done
fi
# defaults
$IPT -t filter -A INPUT -p icmp -j ACCEPT
$IPT -t filter -A INPUT -p 47 -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 -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