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Linux - Networking This forum is for any issue related to networks or networking.
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Old 05-27-2003, 12:13 PM   #1
Registered: Feb 2003
Posts: 130

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testing my network security?

How can I use Linux to test for weaknesses in my network. Basically what tools?

I work at Kinkos and we have a laptop area where people can hook up their laptops and use our connection to get to the internet. When I set this up for them I had some reservations about it, now I want to know how much..if at all, this will compromise our network.

I'm not a hacker and really have no idea how to do it, but to someone who knows, I doubt there is anything to really stop them. Still, I want to make sure it's not easier than it has to be.

Just using Windows and ipconfig with some crappy tools I know all the IP addresses the server uses. ( I knew these already but I just basically verified I could also find it out with little effort)

I'm not looking for a way to break in, I just want to know about potential weaknesses so they can be looked into further and fixed if necessary.
Old 05-27-2003, 12:24 PM   #2
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Registered: Apr 2002
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nmap is an easy one, do a man nmap to see all its different options but you can use it to see if machines are up and also to test what ports are open on a machine.
Old 05-27-2003, 03:16 PM   #3
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Registered: Aug 2002
Location: Stuttgart (Germany)
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Nessus is pretty good for that case IMHO. if you have a knoppix CD lying around there will very probably be a nessus version installed already.

Nessus does also a nmap scan ... so I suggest Nessus. I use Nessus for scanning hosts after the securing stage has been finished.


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