What is? wireshark

• wireshark Is an open source free network packet analyzer , The captured packet data can be presented in as much detail as possible
• You can think of the network packet analyzer as a measuring device , Used to detect what happens in the network cable , Just like the electrician uses a voltmeter to check the inside of the cable

Use scenarios

• Network administrators use it to troubleshoot network problems
• Network security engineers use it to check security problems
• QA Engineers use it to validate web applications
• Developers use it to debug the protocol implementation
• It can also be used to learn network protocol internals
• …

features

• Apply to UNIX、Windows、Mac.
• Capture real-time packet data from the network interface
• Wireshark Data packets and detailed protocol information can be displayed , And support Filter packets 、 Search packets 、 Shaded packet display and statistics
• Wireshark Traffic can be captured from many different types of network media , Including Ethernet 、 WLAN 、 bluetooth 、USB wait
• Wireshark You can open package capture from a large number of capture programs , open tcpdump/Windump、Wireshark Wait for the file captured by the packet capturing program
• Wireshark The captured packets can be saved in a variety of formats , Including formats used by other capture programs

2022 Hunan secondary vocational group “ Cyberspace Security ” Packet analysis

wireshark Packet analysis