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authorFelix Fietkau <nbd@openwrt.org>2006-12-20 05:58:41 +0000
committerFelix Fietkau <nbd@openwrt.org>2006-12-20 05:58:41 +0000
commit4323774d5953f0228a99ca0da502b1e2962bb9f3 (patch)
tree89fda13dac11b58a627c6afc5ce62c8fa6c2e3c2 /package/iptables/files/firewall.user
parent354a4b31a4da3a2a99acf468847a4f25f3ff1904 (diff)
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prepare for moving part of the firewall to hotplug. created new chains {input,forwarding,prerouting}_wan for wan port forwardings and updated the examples. syntax of /etc/config/firewall unchanged and old firewall.user files are still compatible
SVN-Revision: 5878
Diffstat (limited to 'package/iptables/files/firewall.user')
-rw-r--r--package/iptables/files/firewall.user22
1 files changed, 12 insertions, 10 deletions
diff --git a/package/iptables/files/firewall.user b/package/iptables/files/firewall.user
index 5f295babf2..f4eb18ef7d 100644
--- a/package/iptables/files/firewall.user
+++ b/package/iptables/files/firewall.user
@@ -7,22 +7,24 @@ iptables -F forwarding_rule
iptables -t nat -F prerouting_rule
iptables -t nat -F postrouting_rule
-### BIG FAT DISCLAIMER
-## The "-i $WAN" is used to match packets that come in via the $WAN interface.
-## it WILL NOT MATCH packets sent from the $WAN ip address -- you won't be able
-## to see the effects from within the LAN.
+# The following chains are for traffic directed at the IP of the
+# WAN interface
+
+iptables -F input_wan
+iptables -F forwarding_wan
+iptables -t nat -F prerouting_wan
### Open port to WAN
## -- This allows port 22 to be answered by (dropbear on) the router
-# 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
+# iptables -t nat -A prerouting_wan -p tcp --dport 22 -j ACCEPT
+# iptables -A input_wan -p tcp --dport 22 -j ACCEPT
### Port forwarding
## -- This forwards port 8080 on the WAN to port 80 on 192.168.1.2
-# iptables -t nat -A prerouting_rule -i $WAN -p tcp --dport 8080 -j DNAT --to 192.168.1.2:80
-# iptables -A forwarding_rule -i $WAN -p tcp --dport 80 -d 192.168.1.2 -j ACCEPT
+# iptables -t nat -A prerouting_wan -p tcp --dport 8080 -j DNAT --to 192.168.1.2:80
+# iptables -A forwarding_wan -p tcp --dport 80 -d 192.168.1.2 -j ACCEPT
### DMZ
## -- Connections to ports not handled above will be forwarded to 192.168.1.2
-# 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
+# iptables -t nat -A prerouting_wan -j DNAT --to 192.168.1.2
+# iptables -A forwarding_wan -d 192.168.1.2 -j ACCEPT