InterceptSuite Docs
Official documentation for InterceptSuite - the native MITM proxy for TCP, TLS, DTLS, QUIC and UDP traffic.
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InterceptSuite Documentation
Getting Started
Install InterceptSuite and start intercepting traffic in minutes.
- Introduction
- Install on Windows
- Install on macOS
- +5 more
Features
In-depth guides for every feature in InterceptSuite.
- Traffic Interception
- Traffic Redirect (Windows)
- Interception Rules
- +9 more
Extensions
Extend InterceptSuite with custom Python 3 scripts.
- Extension Overview
- Extension API Reference
Blog
From the Blog
How to Intercept HTTP/3 Traffic: QUIC and QPACK
A hands-on look at intercepting HTTP/3. How QUIC streams and QPACK work, what a proxy really sees, how to read and edit a request, and why the QPACK dynamic table makes some requests hard to read.
InterceptSuite 2.1.0: Built-in Traffic Redirect for Windows and One-Click CA Install
InterceptSuite 2.1.0 adds a built-in traffic redirect for Windows, so thick clients with no proxy setting go through the proxy, plus an Install Certificate button for Windows, macOS and Linux.
Debugging a Custom Binary Protocol: Capture, Edit, Resend
A practical workflow for debugging a custom binary protocol: capture real traffic, read it in hex, change one field at a time, resend it, and compare the server's replies.
Intercepting QUIC and HTTP/3 Traffic When mitmproxy Isn't Enough
How to intercept QUIC v1 and raw HTTP/3 traffic from desktop apps with InterceptSuite, and how it compares with mitmproxy's experimental QUIC support.
Support
Still need help?
Whether you found a bug or need additional support, we have multiple ways to help you out.