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ngrep (network grep) is a network packet analyzer written by Jordan Ritter.It has a command-line interface, and relies upon the pcap library and the GNU regex library.. ngrep supports Berkeley Packet Filter logic to select network sources or destinations or protocols, and also allows matching patterns or regular expressions in the data payload of packets using GNU grep syntax, showing packet ...
tcpdump is a data-network packet analyzer computer program that runs under a command line interface. It allows the user to display TCP/IP and other packets being transmitted or received over a network to which the computer is attached. [3] Distributed under the BSD license, [4] tcpdump is free software.
Wireshark is very similar to tcpdump, but has a graphical front-end and integrated sorting and filtering options.. Wireshark lets the user put network interface controllers into promiscuous mode (if supported by the network interface controller), so they can see all the traffic visible on that interface including unicast traffic not sent to that network interface controller's MAC address.
In the field of computer network administration, pcap is an application programming interface (API) for capturing network traffic.While the name is an abbreviation of packet capture, that is not the API's proper name.
Zeek is a free and open-source software network analysis framework. Vern Paxson began development work on Zeek in 1995 at Lawrence Berkeley National Lab . [ 3 ] Zeek is a network security monitor (NSM) but can also be used as a network intrusion detection system (NIDS). [ 4 ]
Snort is a free open source network intrusion detection system (IDS) and intrusion prevention system (IPS) [4] created in 1998 by Martin Roesch, founder and former CTO of Sourcefire. [ 5 ] [ 6 ] Snort is now developed by Cisco , which purchased Sourcefire in 2013.
Free justniffer: The Justniffer team March 21, 2016 / 0.5.15 [7] CLI: GNU General Public License: Free Kismet: Mike Kershaw (dragorn) May 2, 2020 / 2020-04-R3 [8] CLI: GNU General Public License: Free Microsoft Message Analyzer Microsoft: October 28, 2016 / 1.4 [9] GUI Proprietary: Free Microsoft Network Monitor: Microsoft: June 24, 2010 / 3.4 ...
In 2007, Robert Watson and Christian Peron added zero-copy buffer extensions to the BPF implementation in the FreeBSD operating system, [4] allowing kernel packet capture in the device driver interrupt handler to write directly to user process memory in order to avoid the requirement for two copies for all packet data received via the BPF ...