This document discusses techniques for intercepting and analyzing HTTPS traffic, including using a custom HTTPS proxy called Proxy2. Key points: - Proxy2 is a Python HTTPS proxy that can trace, modify, and save HTTPS payloads without user interaction. It works by installing a private CA certificate, decrypting traffic. - The proxy prints colored headers and POST data by default. It can change user-agents and rewrite request paths. - While useful for developers and security, installing private CAs opens risks if they become compromised, as with preinstalled CAs like Superfish. End-to-end encryption provides better security. - Other tools like Fiddler require user interaction, while Proxy2 allows