Network security analysis: Discover network

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such as packet loss delay errors etc. attacks and intrusion behaviors, and analyze the communication behaviors of malware. Protocol analysis: Study the implementation details of network protocols and develop new network protocols. Performance analysis: Analyze network performance and optimize network configuration. Application development debugging: Debug network applications and analyze network requests and responses.


Examples of packet parsing Analyze HTTP requests: View request methods, URLs, request headers, request bodies Email List and other information. Analyze DNS queries: View the domain name resolution process and analyze the response of the DNS server. Analyze TCP three-way handshake: Understand the process of TCP connection establishment. Analyze ARP requests: Understand the mapping relationship between IP addresses and MAC addresses. Difficulties of packet parsing Various packet formats: Different protocols have different packet formats, and you need to master the knowledge of various protocols. Large amount of data.




The network traffic is large and the number of packets is large, requiring efficient analysis tools and methods. Data encryption: The contents of many packets are encrypted and need to be decrypted for analysis. Summary Packet parsing is an important technology in the field of network analysis and security. Through in-depth analysis of packets, we can better understand the principles of network communication, discover potential problems, and improve network security. If you want to know more about packet parsing, you can ask the following questions: How to use Wireshark to analyze packets? How to filter packets? How to decode packets? What are the common network protocols? How to analyze network attacks? Welcome your questions.