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weird behavior from wrt54gs

Discussion in 'Cisco/Linksys Wireless Routers' started by tmoble, Sep 2, 2006.

  1. tmoble

    tmoble Network Guru Member

    Hi, my older wrt54gs currently has factory firmware 4.70.6 on it, it had Hyper WRT on it at one point, can't remember why I pulled it off. anyway, trying to set up a home web server. did the dyndns thing, went out on the web and came back in. instead of forwarding me through to the server it brought up the logon for the router admin pages. It allowed me to logon as admin. I was surprised since web admin is explicitly disabled in the config. I enabled and re-disabled it, it's still doing that. any idea what's up with that?

    also, on the port forwarding, I set up my apache to listen on an odd port figuring Cox would be blocking 80 inbound. I used the game/applications tab to do that, I really don't want to put the box in the DMZ. is that the right way?

    Also, I notice that once I log in to the router as admin, it leaves the admin page open until the browser or browser tab that opened the page is closed. There is no logoff I can see.

    I discovered that while I was logged into the admin functions locally it exposed the admin page to incoming connections from the internet? Is this normal behavior? I can't imagine that it is.

    Do I need to reflash the router again? maybe go back to an aftermarket firmware? This seems to be just slightly insecure.....

    I'm a little shocked to find out what this thing is doing with the adminpage, so, like, am I the only one?
  2. Esquire

    Esquire Mesquire Staff Member Member

    What do you mean by "went out on the web and came back in" after "did the dyndns thing"? I suspect you just tried to go to your DynDNS address from your own network, correct? You can't quite do that - the actual connection doesn't go anywhere beyond your own local network. You need someone to test it for you - I usually use my neighbour's computer on her own broadband connection.

    If your ISP is blocking access to port 80, try using 8080. When someone is connecting to your server, the URL should look something like http://yourwebaddress:8080

    Closing the browser is how one logs off a Linksys device - there is no log off button.
  3. tmoble

    tmoble Network Guru Member


    Thanks for taking time to reply.

    I thought if I typed in a URL like mydomain.dyndns.org it would go out on the internet to dyndns.org and then get routed back to my net? like if I typed in forums.dyndns.org?

    Sounds like you have good knowledge of the ways of the linksys, can you say if it's normal for it to be adminnable from the internet when that's disabled? It had the mydomain.dyndns.org visible in the location URL when it was like that.

    Now that I've posted I see the sticky about accessing my files via the router. I'll read up on the stuff there.

    Thanks again tfor taking time to reply.

  4. Esquire

    Esquire Mesquire Staff Member Member

    No, it doesn't work like that. The URL may appear as if you are accessing via the Internet, the most likely fact is your computer is re-routing to itself. One thing you can check on your server application is for the incoming IP address (if supported) - any server deamon (even Windows Media Encoder) on my network always shows a local IP address connection whenever I connect from another computer on the network using what appears to be an external URL.

    Another thing you can try to see if you are merely being re-routed on the network is to close all opened network ports or Port Forwarding on the router - you should not be able to connect to the server if you were connecting from an outside connection.

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