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slight modification after disq's post http://openwrt.org/forum/viewtopic.php?t=1227 

SVN-Revision: 596
lede-17.01
Mike Baker 2005-04-09 05:52:11 +00:00
parent 6d94ca5199
commit 26ff4d814c
1 changed files with 4 additions and 2 deletions
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6
openwrt/target/default/target_skeleton/etc/init.d/S45firewall
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@ -24,11 +24,13 @@ 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 -p 47 -j ACCEPT # allow GRE
$IPT -t filter -A INPUT -i $WAN -p tcp --syn --tcp-option \! 2 -j DROP
$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 -i br0 -o br0 -j ACCEPT
$IPT -t filter -A FORWARD -i $WAN -m state --state NEW -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