tcpdump 4.5.1

A packet filtering library that works with libcap
tcpdump is a handy little library which provides a packet filtering mechanism based on the BSD packet filter (BPF).

Most notably, tcpdump needs this to work, and there is also a perl module (still in beta) which can use this as well. In plain english, if you want to write your own network traffic analyzer, this is the place to start.

last updated on:
November 26th, 2013, 7:30 GMT
developed by:
The Tcpdump Group
license type:
BSD License 
ROOT \ Programming \ Libraries


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tcpdump - The help message of tcpdump, as viewed from the Linux Terminal
What's New in version 4.1
  • Add support for Bluetooth Sniffing
  • Add support for Realtek Remote Control Protocol (
  • Add support for 802.11 AVS
  • Add support for SMB over TCP
read full changelog

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