diff options
Diffstat (limited to 'package/base-files/default/etc/firewall.user')
| -rwxr-xr-x | package/base-files/default/etc/firewall.user | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/package/base-files/default/etc/firewall.user b/package/base-files/default/etc/firewall.user new file mode 100755 index 0000000000..1781bd4ea0 --- /dev/null +++ b/package/base-files/default/etc/firewall.user @@ -0,0 +1,27 @@ +#!/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 -t nat -F prerouting_rule +iptables -t nat -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 |