RESOLVED Why does IPtables's NAT stop working when I enable the firewall's third interface?
- by Kronick
On my firewall I've three interfaces :
eth0 : public IP (46.X.X.X.)
eth0:0 public IP (46.X.X.Y.)
eth1 : public IP (88.X.X.X.)
eth2 : private LAN (172.X.X.X)
I've setup a basic NAT which works great until I turn on the eth1 interface, I basically loose the connectivity. When I turn off the interface (ifconfig eth1 down) then the NAT…