A network analyzer is used for

A network analyzer is used for:

■ Converting the binary data in packets to readable format

■ Troubleshooting problems on the network

■ Analyzing the performance of a network to discover bottlenecks

■ Network intrusion detection

■ Logging network traffic for forensics and evidence

■ Analyzing the operations of applications

■ Discovering faulty network cards

■ Discovering the origin of virus outbreaks or Denial of Service (DoS)

attacks

■ Detecting spyware

■ Network programming to debug in the development stage

■ Detecting a compromised computer

■ Validating compliance with company policy

■ As an educational resource when learning about protocols

■ Reverse-engineering protocols to write clients and supporting programs

Intruders use sniffers on networks for:

■ Capturing cleartext usernames and passwords

■ Discovering the usage patterns of the users on a network

■ Compromising proprietary information

■ Capturing and replaying Voice over IP (VoIP) telephone conversations

■ Mapping the layout of a network

■ Passive OS fingerprinting

本文轉simmy51CTO部落格，原文連結：http://blog.51cto.com/helpdesk/122585，如需轉載請自行聯系原作者