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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.
Troubleshoot performance problems by monitoring network data from an application; Serve as the primary data source for day-to-day network monitoring and management; Spy on other network users and collect sensitive information such as login details or users cookies (depending on any content encryption methods that may be in use)
A packet capture appliance is a standalone device that performs packet capture. [1] Packet capture appliances may be deployed anywhere on a network, however, most commonly are placed at the entrances to the network (i.e. the internet connections) and in front of critical equipment, such as servers containing sensitive information.
Microsoft Network Monitor: Yes No No No No No OmniPeek (formerly AiroPeek, EtherPeek) Yes No No No No No snoop: No No No No Yes No tcpdump: Yes (WinDump) Yes Yes Yes Yes AIX, HP-UX, IRIX, Tru64 UNIX: Wireshark (formerly Ethereal) Yes Yes Yes Yes Yes AIX, HP-UX, IRIX, Tru64 UNIX: Xplico: No No Yes No No No
Symantec Data Loss Prevention, Used to monitor and identify sensitive data, track its use, and location. Data loss policies allow sensitive data to be blocked from leaving the network or copied to another device. tcpdump, a tool for capturing and dumping packets for further analysis, and WinDump, the Windows port of tcpdump. Zeek, an intrusion ...
The Chinese government uses deep packet inspection to monitor and censor network traffic and content that it claims is harmful to Chinese citizens or state interests. This material includes pornography, information on religion, and political dissent. [25] Chinese network ISPs use DPI to see if there is any sensitive keyword going through their ...
A router may monitor all traffic that it routes. Promiscuous mode is often used to diagnose network connectivity issues. There are programs that make use of this feature to show the user all the data being transferred over the network.
vnStat, useful command to monitor network traffic from the console. vnstat allows to keep the traffic information in a log system to be analyzed by third party tools. Other network utilities include: netstat, displays network connections (both incoming and outgoing), routing tables, and a number of network interface and network protocol ...