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29 lines
1.1 KiB
29 lines
1.1 KiB
19 years ago
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#!/bin/sh
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19 years ago
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# Copyright (C) 2006 OpenWrt.org
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19 years ago
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iptables -F input_rule
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iptables -F output_rule
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iptables -F forwarding_rule
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iptables -t nat -F prerouting_rule
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iptables -t nat -F postrouting_rule
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### BIG FAT DISCLAIMER
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## The "-i $WAN" is used to match packets that come in via the $WAN interface.
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## it WILL NOT MATCH packets sent from the $WAN ip address -- you won't be able
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## to see the effects from within the LAN.
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### Open port to WAN
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## -- This allows port 22 to be answered by (dropbear on) the router
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# iptables -t nat -A prerouting_rule -i $WAN -p tcp --dport 22 -j ACCEPT
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# iptables -A input_rule -i $WAN -p tcp --dport 22 -j ACCEPT
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### Port forwarding
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## -- This forwards port 8080 on the WAN to port 80 on 192.168.1.2
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# iptables -t nat -A prerouting_rule -i $WAN -p tcp --dport 8080 -j DNAT --to 192.168.1.2:80
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# iptables -A forwarding_rule -i $WAN -p tcp --dport 80 -d 192.168.1.2 -j ACCEPT
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### DMZ
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## -- Connections to ports not handled above will be forwarded to 192.168.1.2
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# iptables -t nat -A prerouting_rule -i $WAN -j DNAT --to 192.168.1.2
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# iptables -A forwarding_rule -i $WAN -d 192.168.1.2 -j ACCEPT
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