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what is the best packet sniffer?

N

nemaNIN

Member
i want to start playing w/ packet sniffers and the like. i live at skool and am on the skools network.. so i figure now and here as a good place to start playing.

im looking for the best packet sniffers out there, as well as any other kool and/or useful network tools..

im also looking for the best free ones (although, to be technical, most programs can be obtained freely) (which is why i ask both questions 🙂 )

im running win2k sp1 plus a few other fixes. i have an SMC nic. i know our network uses DHCP for internet.. but that is just about all i know about it.
thanx ahead of time for suggestions
neems
 
Network associates Sniffer. By far the king. Very expensive though, $15,000 plus options.

I think you can download Net-Xray from www.sniffer.com. This is a very good free sniffer. Also I think 2000 has a built in packet decoder called "network monitor". Enable it by adding the service in your network control panel.

spidey

ps - the general term sniffer come from the product name Network Associates Sniffer. Used to be produced by network general.
 
It also may be strongly against your schools policy to have any form of sniffing software... Might want to check that. Do NOT try to install or run any form of active sniffing software (Arp Redirects) as that will probably get you into more trouble then you care to think about.

However, just for learning, pick up netxray, or etherpeek (i belive both free), or sniffer basic (free or insanly cheap) just to learn. As long as you are not doing any form of active sniffing (you would know) you should be okay, but check with adminnistration first.
 
good point xanthar.

I would think that a university would prohibit any form of sniffing. Think about how many telnet passwords are floating clear text on that wire!
 
how are sniffers tracked? what kind of security does the university have to have in place to be able to spot a sniffer? are there, maybe, underground sniffers that would run in cognito?

i swear my intentions are by no means malicious.. im just very curious.. by nature and, specifically in computers.. and this would be sumthing new to do w/ 'puters. i really just want to get out there and see what this stuff is capable of...

thanx for the info so far.. keep it coming. ANY info is much much appreciated.
 
I'm also looking for a packet sniffer, but for a different purpose. I want to see the packets coming in and out of my Win2K computer (to see where one of my applications is connecting to)... which packetsniffer is best for that?
 
JINGORO:

2000 has a built in packet decoder for exactly your purpose. Add it in the network control panel services tab.
 
Win 2k Pro can have the net mon driver installed, but i dont believe you can view it


from MS Help file:

If you are running Windows 2000 Server, you can use Network Monitor to display and analyze the information you collect with the Network Monitor Driver.


Doesnt say that it CANT work with win2k Pro, but im using win2k pro and i dont see any option to view the network monitor, unless you can add it to the performance monitor counter/trace log file?
 
etherpeek 😉



<< Think about how many telnet passwords are floating clear text on that wire! >>

less and less nowadays... &quot;ssh&quot;
 
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