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Only masquerade non routable addresses (#2535) 

SVN-Revision: 9460
This commit is contained in:
Florian Fainelli 2007-10-29 10:31:16 +00:00
parent e8d61c7aaa
commit 304d5c8845
1 changed files with 4 additions and 1 deletions
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5
package/iptables/files/firewall.init
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@ -105,7 +105,10 @@ 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
[ -z "$WAN" ] || iptables -t nat -A POSTROUTING -o $WAN -j MASQUERADE
### Only RFC1918 addresses
[ -z "$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
iptables -t nat -A NEW -m limit --limit 50 --limit-burst 100 -j RETURN && \
iptables -t nat -A NEW -j DROP