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Port Unblocker/re-router


cant_ride

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I'm at uni on a network that doesnt allow kazaa etc, I need to find a way of re-routing/unblocking my ports with a program and am having trouble finding one!

Anyone got any ideas would be much appreciated

Polly (using cant_ride's accountx)

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You can't unblock the ports if they're blocked up the pipe to you, but you can tunnel ports out via other ports, however to do that to connect to something like kazaa you'll need a machine somewhere outside the blocked network you can use to route your traffic through. Basically the outside machine is there to route your traffic back onto the port that kazaa/whatever your trying to connect to uses.

With two linux machines you'll need to do this with ssh port forwarding (I can give you more specific commands if you need it), with windows I'm not so sure. If the outside machine is a Linux machine I think putty can do port forwarding (actually, it can).

Unfortunately a lot of the time, by the time your setting up all this sort of stuff you almost may as well be running your p2p on the outside machine and streaming it back home via some other (unblocked) method. There may be other ways of doing it using an external anonymous proxy or an external windows machine or something, but I'm not so sure on that. Someone else might be able to help you a bit better.

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hello, polly on oli's username again,

I have tried hopster and it has no effect unfortunatly. I also tried the other program but had no idea what to do on it..

Oli thinks there is a program called something like port manager plus, you are able to find the unblocked ports and swap them around..

thanks guys

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hello, polly on oli's username again,

I have tried hopster and it has no effect unfortunatly. I also tried the other program but had no idea what to do on it..

Oli thinks there is a program called something like port manager plus, you are able to find the unblocked ports and swap them around..

thanks guys

Just swapping ports shouldn't work, because Kazaa (or whatever you're trying to connect to) won't be expecting connections on the port you're connecting out on. If your uni are blocking ports correctly then nothing will get out on those blocked ports no matter what you do, because their firewall will be scanning all outgoing data and simply dropping any that comes along on those ports.

Unfortunately you do need to connect via an outside machine of some kind (whether that's an external proxy, another computer or whatever) and as such the speed you connect at will be limited by the slowest speed in the chain (if you're on a fast uni network this is more likely to be the external machine than yours). If you want to download at a reasonable speed you're quite likely going to have to pay (as in those two links danny put up).

If you've got the Socks2HTTP free demo there is an FAQ for setting it up with Kazaa here.

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would it not be possbile to run a port scanner to ascertain if there are any open ports on the University network. Then by connecting your computer through a router, use port forwarding for the outgoing connections? In Kazaa you can set the port for incoming connections, or use port 80 which surely should be open for HTTP access. Is that a possible solution?

Failing that could you not set up a router in a remote location and use port forwarding to forward both incoming and outgoing connections into open ports on the university network? Surely this could be achieved by the correct ACL's?

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