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Behind a Network Firewall...

By lara_cy ·
Hi there, i'm wondering if anyone can help me out here. I'm behind my university network firewall (who have blocked some ports) and i'm wondering how to get wrong certain ports, or find out which ports are open. I'm trying to have access to certain programs ( msn works thankfully) and i managed to get IRC to work by directing it to port 7000. basically i want to get DC++, which is another program to work externally (out of the university) but it won't connect me. Anyone have any clues or can shed some light here as to what i can do?

Any help much appreciated..

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by Jaqui In reply to Behind a Network Firewall ...

grc.com has a detailed port scanner.
it will scan the ports between your system and the internet.
you'll find out which ports are closed by the university.

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by hozcanhan In reply to Behind a Network Firewall ...

the answer is "you won't be able to do it ! and if you are detected you might be "scolded" " . Yes do a search on the net and you can find many ip scan tools to find the gaping ports . but I don't think you will find many !!!msn is open because SMTP port is open . If you find many ports open then your un. administrator is a ......

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by hozcanhan In reply to

an amateur.

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by k.dennyboy In reply to Behind a Network Firewall ...

Please go to GFI.com & download lannet scanner & install in your client machine and scan your firewalled ip whether your needed port is allowed or not. and another way is just try with the passive IP in the configuration of DC++.
but one thing, you must be sure of the port of the room that you're connecting with. then map wth the f-wall result whether your room port is in the fwall result.
feel free to ask..

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by Neil Cotton In reply to Behind a Network Firewall ...

get a boot distro of Knoppix SDT and run it if you can change the boot order on the machines.

Don't be naughty with it though. There are lots of scanning tools on there.

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by Neil Cotton In reply to Behind a Network Firewall ...

get a boot distro of Knoppix STD and run it if you can change the boot order on the machines.

Don't be naughty with it though. There are lots of scanning tools on there.

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