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dd-wrt internal port forward from external hostname / ip adress

In recent DD-WRT versions NAT loopback is broken, therefore if you want to connect to an external ip / hostname from the internal network, this does not work even though it works if you connect from outside your lan!

the fix is easy, simply add the following command in administration -> commands as a startup command:

iptables -t nat -I POSTROUTING -o br0 -s -d -j MASQUERADE

(of course you need to change to your local lan subnet!)

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