(Sniffer packet capture is probably one of the best network protocol analysis software at present. It supports various channels and has superior performance. As a qualified network administrator, you must have such a set of good network protocol analysis software. When the information is uploaded and transmitted on the network in clear text, the method of network monitoring can be used to attack. Setting the network interface in the form of monitoring can intercept the continuous information transmitted on the Internet. Sniffer is often used by hackers to intercept users' passwords. But in fact, sniffer skills are widely used in network fault diagnosis, protocol analysis, application performance analysis, network security assurance and other fields. Precautions for localization: 1 Please install snifferpro4.70.530 original English software 2 first Exit snifferpro4.70.530 application 3 before localization Run the patch and select the device directory of your snifferpro4.70.530 for localization.)