port forwarding doesn't work (tomato 1.17, linksys wrt54g v4, motorola sb4200 modem)

Discussion in 'Tomato Firmware' started by baldcap, Mar 28, 2008.

  1. baldcap

    baldcap Addicted to LI Member


    I have a motorola sb4200 cable modem connected to a linksys wtr54g v4 router with tomato 1.17 firmware. My internal LAN is

    I'm trying to setup port forwarding for high ports (5xxxx), but when I use port checking sites (shields up, emule), they report the ports as closed. I forward 'both' and only fill the 'ext ports' and 'int address' fields. Cold rebooting the modem and router didn't help.

    Maybe the modem needs some configuration? (I read that it acts as bridge only)

    Thank you for your help,
  2. LLigetfa

    LLigetfa LI Guru Member

    Don't believe everything you read. Check it out for yourself.
  3. baldcap

    baldcap Addicted to LI Member

    Can you please explain how to do that?
  4. baldcap

    baldcap Addicted to LI Member

    So I used to see the modem's web interface. I turned off the option to act as dhcp server. Still, ports are closed
  5. baldcap

    baldcap Addicted to LI Member

    Too quick to reply... Turns out I needed to restart the application that was listening to the port (I reconfigured it to the new port without restarting).

    Thanks for the help
  6. RonWessels

    RonWessels Network Guru Member

    This is the key that your port forwarding was working. If the ports were not forwarded, they would be reported as "stealth". As it was, as you figured out, the machine that you were forwarding to was not correctly set up and the ports were indeed closed.
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