Tool name : Tcpdump  
 
Description : Tcpdump is the IP sniffer we all used before Ethereal (Wireshark) came on the scene, and many of us continue to use it frequently. It may not have the bells and whistles (such as a pretty GUI or parsing logic for hundreds of application protocols) that Wireshark has, but it does the job well and with fewer security holes. It also requires fewer system resources. While it doesn’t receive new features often, it is actively maintained to fix bugs and portability problems. It is great for tracking down network problems or monitoring activity.
 
Homepage : www.tcpdump.org


3 responses to “Tcpdump sniffer for network monitoring.”

  1. Wulfhart says:

    Funny, I clicked the Ettercap link on the external tools page and it brought me to the tcpdump.

  2. Daniel says:

    One thing I’m not sure about here is what security holes does Wireshark have that Tcpdump does not?

  3. carrumba says:

    well actually they (hopefully) don’t have security holes in their current version. wireshark is the pendant to tcpdump but with a nice GUI around it, it supports more protocols and plugins.

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