Mitmproxy: Intercept & Observe HTTPS Traffic

Mitmproxy is an open-source tool used to intercept, modify, and observe HTTP, HTTPS, and WebSocket traffic. It features an interactive command line interface that allows users to monitor and alter network traffic in real time.

With mitmproxy, you can perform the following actions:

1. Intercepting Traffic: mitmproxy can act as a middleman between the client and server, intercepting and monitoring network traffic. It can capture incoming and outgoing HTTP/HTTPS requests and responses, displaying detailed data information.
2. Editing requests and responses: With mitmproxy, you can modify incoming and outgoing requests and responses. This includes changing request headers, request bodies, response headers, and response bodies, while also being able to view the modified results in real-time.
3. Save data: mitmproxy can save intercepted network traffic to a file for future analysis and playback. It supports various formats such as HAR, PCAP, etc.
4. Script extension: mitmproxy offers powerful script extension capabilities, allowing users to write custom scripts in Python to modify and handle traffic. This enables various automation and customization needs to be met.
5. SSL certificate management: mitmproxy is able to create self-signed SSL certificates for intercepting and decrypting HTTPS traffic. It also supports custom CA certificates for more advanced SSL certificate operations.

In conclusion, mitmproxy is a powerful network packet capture tool that can assist developers and security testers in intercepting, modifying, and observing network traffic, thus meeting various needs for network debugging and security analysis.