LAN Internet Filter/Traffic Monitor?


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Ethereal is a free network protocol analyzer for Unix and Windows. It allows you to examine data from a live network or from a capture file on disk. You can interactively browse the capture data, viewing summary and detail information for each packet. Ethereal has several powerful features, including a rich display filter language and the ability to view the reconstructed stream of a TCP session.

http://www.ethereal.com/

Dude if you want a way to see what boxes are doing what as far as bandwidth, protocol usage (p2p, http, ftp, etc..) - use ntop http://www.ntop.org/ntop.html

Slick as HE_L!!!

To actually filter where they then go, what protocols they can talk etc.. you'll need more than a monitoring tool - how are you routing the traffic now? dsl/cable router or linux setup, ICS - what?

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