diff options
| author | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-10-29 10:31:16 +0000 |
|---|---|---|
| committer | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-10-29 10:31:16 +0000 |
| commit | 6880ed0d32b044df4e84c1a25e4293cf01e137aa (patch) | |
| tree | 5b84328693b24d2b9eb6d0b1de1c88e363676ee1 /package | |
| parent | d97939c2d961aee591c98cf88a1d1d780acb0493 (diff) | |
Only masquerade non routable addresses (#2535)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9460 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package')
| -rwxr-xr-x | package/iptables/files/firewall.init | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/package/iptables/files/firewall.init b/package/iptables/files/firewall.init index 388c5b4f9..9d8a405ab 100755 --- a/package/iptables/files/firewall.init +++ b/package/iptables/files/firewall.init @@ -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 |