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Only masquerade LAN, other settings need manual tweaking

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9461 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
florian 2007-10-29 11:00:33 +00:00
parent 6880ed0d32
commit de87d871ff
1 changed files with 5 additions and 4 deletions
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9
package/iptables/files/firewall.init
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@ -11,6 +11,9 @@ start() {
config_get WAN wan ifname
config_get WANDEV wan device
config_get LAN lan ifname
config_get LAN_MASK lan netmask
config_get LAN_IP lan ipaddr
LAN_NET=$(/bin/ipcalc.sh $LAN_IP $LAN_MASK | grep NETWORK | cut -d= -f2)
## CLEAR TABLES
for T in filter nat; do
@ -105,10 +108,8 @@ start() {
iptables -t nat -A PREROUTING -j prerouting_rule
[ -z "$WAN" ] || iptables -t nat -A PREROUTING -i "$WAN" -j prerouting_wan
iptables -t nat -A POSTROUTING -j postrouting_rule
### Only RFC1918 addresses
[ -z "$WAN" ] || iptables -t nat -A POSTROUTING --src 192.168.0.0/16 -o $WAN -j MASQUERADE
[ -z "$WAN" ] || iptables -t nat -A POSTROUTING --src 172.16.0.0/12 -o $WAN -j MASQUERADE
[ -z "$WAN" ] || iptables -t nat -A POSTROUTING --src 10.0.0.0/8 -o $WAN -j MASQUERADE
### Only LAN
[ -z "$WAN" ] || iptables -t nat -A POSTROUTING --src $LAN_NET/$LAN_MASK -o $WAN -j MASQUERADE
iptables -t nat -A NEW -m limit --limit 50 --limit-burst 100 -j RETURN && \
iptables -t nat -A NEW -j DROP