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add firewall script change from whiterussian to head

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1305 3c298f89-4303-0410-b956-a3cf2f4a3e73
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nbd
2005-07-01 15:19:39 +00:00
parent 196faec139
commit c9347df0fd
2 changed files with 43 additions and 10 deletions
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27
target/default/target_skeleton/etc/firewall.user Executable file
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#!/bin/sh
. /etc/functions.sh
WAN=$(nvram get wan_ifname)
LAN=$(nvram get lan_ifname)
iptables -F input_rule
iptables -F output_rule
iptables -F forwarding_rule
iptables -F prerouting_rule
iptables -F postrouting_rule
### BIG FAT DISCLAIMER
### The "-i $WAN" literally means packets that came in over the $WAN interface;
### this WILL NOT MATCH packets sent from the LAN to the WAN address.
### Allow SSH from WAN
# iptables -t nat -A prerouting_rule -i $WAN -p tcp --dport 22 -j ACCEPT
# iptables -A input_rule -i $WAN -p tcp --dport 22 -j ACCEPT
### Port forwarding
# iptables -t nat -A prerouting_rule -i $WAN -p tcp --dport 22 -j DNAT --to 192.168.1.2
# iptables -A forwarding_rule -i $WAN -p tcp --dport 22 -d 192.168.1.2 -j ACCEPT
### DMZ (should be placed after port forwarding / accept rules)
# iptables -t nat -A prerouting_rule -i $WAN -j DNAT --to 192.168.1.2
# iptables -A forwarding_rule -i $WAN -d 192.168.1.2 -j ACCEPT