A network analyzer (also called a protocol analyzer or packetanalyzer) is a combination of hardware andprogramming, or in some cases a stand-alone hardware device, that canbe installed in a computer or network to enhance protection againstmalicious activity. Network analyzers can supplement firewalls,anti-virus programs, and spyware detection programs.
Network analyzers can:
Network analyzers are not intended to replace firewalls, anti-virusprograms, or spyware detection programs. However, the use of a networkanalyzer in addition to other countermeasures can minimize theprobability that an attack will occur, and can facilitate rapidresponse in the event an attack begins.
31 Aug 2006