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Old 01-31-2002, 10:33 AM   #1
Citizen Bleys
Registered: Mar 2001
Location: Moncton, NB
Distribution: Gentoo 2006.0
Posts: 181

Rep: Reputation: 30
How to trick a router

Okay; I know that this isn't possible using Windows, maybe someone can tell me how to do it in Linux.

I have a cable connection coming into my father's office. The cable modem is plugged into a router; my father's computers are plugged into the router, and then there's one line going from the router in my father's office to a 5-port minihub in my room.

There are two computers on the minihub; My laptop and my desktop. What I want to do is set up proftpd on my desktop--No problem in and of itself; I can access that server from anywhere on MY side of the router by using

question is, how can I find the address that someone on the OTHER side of the router can use to get at my server? I know it's not possible in Windows without another computer (Acting as a proxy server and firewall) on the outside of the router. I do not wish to purchase a whole new computer to do this; If I had that kind of bucks, I'd just get another connection coming in, and hell, I'd probably just get a SPARC to act as a server. But I don't have that kind of money, so I need to trick my router.

The router is not a computer--It's one of those $100 Cable/DSL routers that acts as a black-box. I don't even KNOW what OS it's running.
Old 01-31-2002, 11:59 AM   #2
Registered: Dec 2001
Distribution: freeBSD, slack 9/10/current
Posts: 60

Rep: Reputation: 15
sounds like you just want to users from outside your home network to be able to access your ftpd. if that is what you are trying to do, the best thing, is to find the book on the router, and find out how to forward ports, and forward port 21 (change if your ftpd is on another port) for the internal ip of the server, and it should work fine.
Old 01-31-2002, 12:10 PM   #3
Registered: Apr 2001
Posts: 113

Rep: Reputation: 15
Here ya go, a bit of reading for ya

U should find everything u need to know there.

Hope this helps.
Old 01-31-2002, 12:24 PM   #4
Registered: Dec 2001
Distribution: freeBSD, slack 9/10/current
Posts: 60

Rep: Reputation: 15
actually masq wouldnt work considering he's behind a router, and a hub. if the router were a linux box, ip masq would work for a machine behind the box.
Old 01-31-2002, 02:09 PM   #5
Registered: Jan 2002
Location: Cheyenne Wyoming
Distribution: Debian/Raspbian/Mint
Posts: 717

Rep: Reputation: 32
What kind of router is it? Linksys, netgear? SMC?


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