mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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6500719d9c
separate S50services into individual files move nvram_get to 'nvram get' making nvram overrides more transparent git-svn-id: svn://svn.openwrt.org/openwrt/trunk@155 3c298f89-4303-0410-b956-a3cf2f4a3e73
24 lines
829 B
Bash
Executable File
24 lines
829 B
Bash
Executable File
#!/bin/sh
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. /etc/functions.sh
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WAN=$(nvram get wan_ifname)
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IPT=/usr/sbin/iptables
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for T in filter nat mangle ; do
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$IPT -t $T -F
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$IPT -t $T -X
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done
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$IPT -t filter -A INPUT -m state --state INVALID -j DROP
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$IPT -t filter -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
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$IPT -t filter -A INPUT -p icmp -j ACCEPT
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$IPT -t filter -A INPUT -i $WAN -p tcp -j REJECT --reject-with tcp-reset
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$IPT -t filter -A INPUT -i $WAN -j REJECT --reject-with icmp-port-unreachable
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$IPT -t filter -A FORWARD -m state --state INVALID -j DROP
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$IPT -t filter -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
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$IPT -t filter -A FORWARD -i $WAN -m state --state NEW,INVALID -j DROP
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$IPT -t filter -A FORWARD -o $WAN -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
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$IPT -t nat -A POSTROUTING -o $WAN -j MASQUERADE
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