Wireshark is unquestionably the best free packet sniffer available. It is primarily used for network troubleshooting and analysis. This software allows the user to see all traffic being passed over the network by putting the network card into promiscuous mode. It intercepts and logs traffic passing over your network. 
The sniffer captures each packet as data streams flow across the network, finally decoding and analyzing its contents. Wireshark recognizes the structure of different networking protocols. Thus, it is able to display the encapsulation and the fields along with their meanings of different packets specified by different networking protocols. I suggest you keep the documentation for it handy until you feel comfortable using all of its features.
Windows Vista Free Software List Headline Animator
Best Security Freeware
Tuesday, April 15, 2008
Network Analyzer/Packet Sniffer:
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2 comments:
I can't believe it is free because of all that it can do. I am still learning how to use it.
Yes, Sarah, it is a very useful program. If you would like, email me at stevenalangdon@gmail.com and I will provide you with some excellent resources to help you become more acquainted with Wireshark.
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