iptables port forwarding on CPD

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  • March 23, 2011 at 8:43 pm #2548
    James Skinner
    Participant

    Hi,

    Want to connect to a camera connect to a CPD and access the camera over a wireless GSM network. Want to port forward packets coming into my GSM fixed IP address to the camera with addressable to the CPD over the LAN.

    This website shows an example using iptables and MASQUERADE. Wonder if there is a good port forwarding example.

    I have tried opening up the permissions and using the rule:

    iptables -A PREROUTING -t nat -d 166.30.11.22 -i ppp0 -j DNAT –to 192.168.1.212

    Thanks in advance.

    James

    March 24, 2011 at 3:44 am #3121
    Jesse Gilles
    Blocked

    Two things:

    You probably want to specify the specific port that should be forwarded in your rule and possibly the protocol (UDP/TCP). Also, the “–to” option I believe should be “–to-destination”.

    Example using port 80 for TCP:

    iptables -t nat -A PREROUTING -p tcp -d 166.30.11.22 –dport 80 -j DNAT –to-destination 192.168.1.212

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