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Port Forward Does Not Work, DMZ Does


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#1
FNP

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Hey net gurus :)

So I'm trying to setup a test FTP server using my laptop. Downloaded FileZilla server and client, got the server running, got both my browser and the FTP client to connect. Everything is up and running within my LAN. The next step is being able to access it from the net, not just my LAN, and this is where I run into trouble.

In my wireless router settings, I set up port forwarding to my internal IP on the FTP port (21). When I try to access the server by typing in my public IP (which, through PAT, should send me right on down to my laptop), the connection fails. But when I enable DMZ to my internal IP from the router, everything is good when trying to get at it publicly.

Any ideas? Is this happening because I'm trying to access my public IP from within my own internal network, and I'm getting some weird feedback error (but if that's the case, why does DMZ still work)? Any help is, as always, much appreciated. :)
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#2
amw_drizz

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DMZ shouldn't of worked for you. I am assuming that the router noticed you were requesting itself and sent you to the DMZ machine. If I were you I would get a friend on the phone and have at it that way. Or find a friend that is willing to let you take over their computer remotely so you can run your tests.

For me doing these loopback tests always fail since your trying to resolve your own IP from the IP. Kind of like the following, Trying to look at the outside of your house from within your house.
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#3
FNP

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Right, that's what I figured (after a few hours). Thanks for the advice. :)
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