How to develop an HTTP request response monitoring software?

Developing an HTTP request response monitoring software is not easy. This article will explore three feasible solutions and analyze its advantages and disadvantages.

Solution 1: Monitoring based on HTTP proxy

This scheme is similar to tools like Charles or Fiddler, which intercepts and analyzes HTTP request and response data by setting the client proxy as monitoring software. The advantage is that the implementation is relatively simple, but the disadvantage is that some software may bypass the system proxy settings, resulting in monitoring failure.

Solution 2: In-depth monitoring of simulated Proxifier function

This solution is very difficult and requires the network traffic interception and analysis functions of simulating Proxifier. Proxifier may intercept network packets through DLL injection or R0 filtering drivers. This solution requires developers to have profound skills in system programming and network programming.

Solution 3: Monitoring based on network card packet capture

This solution obtains all data packets passing through the network card by monitoring network traffic on the network card. Many open source projects provide similar functionality, but this solution can only monitor HTTP plaintext protocols and cannot handle HTTPS encrypted traffic. If more detailed indicators are needed, developers need to implement the analysis and analysis functions themselves.

Which option to choose depends on project requirements and developer skills. If you only need to monitor simple HTTP requests, solution 1 is more appropriate; if you need more comprehensive monitoring, solution 2 or solution 3 needs to be considered, but you need to be prepared to deal with complex technical challenges.

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