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protocol analyser

   Also found in: Wikipedia 0.01 sec.
(communications, hardware, networking, testing, tool)protocol analyser - Any device that captures and interprets the network traffic between two or more connected computer systems. The traffic can then be decoded so that it is possible to see what processes are occurring.

By examining the flow of traffic, protocol analysers can be used to find out where problems (such as bottlenecks or the failure of a network device) are on a LAN.

Advanced protocol analysers can also provide statistics on the traffic that can help to identify trends that may in future lead to further problems with the network.
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Examples of the tools used are Arpspoof, which redirects packets from a target host on the LAN to the intended host on the same LAN, by forging Address Resolution Protocol replies to the target host; SSLStrip, to hijack HTTP traffic; Ettercap, a utility for sniffing, intercepting and logging; or Wireshark, a network protocol analyser used as a packet sniffer.
Smartphones on Wi-Fi vulnerable to security attack by Computer News Middle East
lt;p>Shalita said the service worked by using Cisco's open API with the protocol analyser and using triangulation techniques to isolate the problem.
NetScout offers location-based service by Network World Middle East
Leading vendors of protocol analysers, RMON probes, and IPS appliances have selected Net Optics for their customer's monitoring solutions--from T1 WANs to 10 Gigabit links.
Endace Limited Expands Monitoring Capabilities with Net Optics Taps by Business Wire
 
 
 
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