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WRT54GL port mapping possible?

Discussion in 'Linksys Official Firmware' started by stivo, Jul 15, 2010.

  1. stivo

    stivo Networkin' Nut Member

    Hi there,

    to my big surprise I could'nt find any port mapping option in my brand new WRT54GL's configuration interface...

    I have a WRT54GL HW rev. 1.1, serial starts with CL7B, I did a firmware upgrade to 4.30.11 directly after purchase last night.

    What I want to do is to map incoming requests on port 55631 to internal port 5631 of a specific computer. In my old router (killed by flash and thunder here in Germany on Saturday :mad: ) this was possible...

    In the DD-WRT wiki there is a short hint how to setup port mapping using iptables and a startup script, is there any way to achieve this with the original Linksys firmware?

    Just in case there IS a port mapping option and I just didn't see it, please kick me to it and excuse my blindness...

    thanks in advance,

    stivo
     
  2. mstombs

    mstombs Network Guru Member

    You just mean port forwarding?

    http://ui.linksys.com/files/WRT54GL/4.30.0/Applications.htm

    A major issue with stock Linksys firmware here is that you need to assign static IPs to your devices for this to make sense. All 3rd party firmwares (and most competitors) implement a form of static dhcp lan client reservation which means same PC gets same IP.
     
  3. stivo

    stivo Networkin' Nut Member

    No, with port mapping I meant port redirection where the router forwards a packet to an internal port which is different to the port on which it was received.

    I think I found the answer myself in the meantime - I overread one point in the DD-WRT wiki: http://www.dd-wrt.com/wiki/index.php/Port_Forwarding#Port_Mapping .

    Following this, Linksys firmware does not allow port mapping via web interface, so I think I will have to switch to DD-WRT which seems to support port mapping by default.

    Thanks and so long,

    stivo
     

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