Get started with Fluxzy with .NET

Fluxzy.Core is a fully managed MITM engine to record, manage and alter HTTP/1.1, H2, and WebSocket traffic over plain or secure channels for .NET.

This website contains the documentation of the fluxzy .NET packages Fluxzy.Core and Fluxzy.Core.Pcap. For documentation of Fluxzy Desktop or Fluxzy CLI please refer to the main website.

To get started, go to guide page.
API documentation can be found here.

Current .NET package version

.NET Package	Description	Version
Fluxzy Core	Core library
Fluxzy.Core.Pcap	Extensions that enable raw packet capture along the HTTP(S) exchange

Feature list

Core features

Intercept HTTP/1.1, H2, WebSocket traffic over plain or secure channels
Fully streamed intermediate as proxy or transparent proxy
Deflect operating system traffic (act as system proxy)
Automatic root certificate installation (with elevation on Windows, macOS, and several Linux distributions)
Certificate management: built-in feature to create CA compatible certificates
Export as HTTP Archive
Use a custom root certificate authority
Choice between default .NET SSL provider and BouncyCastle
Raw packet capture (with the extension Fluxzy.Core.Pcap)
NSS Key log extraction (when using Bouncy Castle)
Optional configuration-based data extraction and alteration

Alteration and traffic management features

Alteration and traffic management features are available as fluxzy actions. You can browse this dedicated search page to see built-in actions on the latest stable version. Here are a few examples:

Add, remove, modify request and response headers
Mock or substitute request and response body
Forward, redirect, spoof DNS, abort connections
Inject html snippet on intercepted request and response bodies
Remove cache directives, add request and response cookies
Serve static directory
Add metadata to HTTP exchanges (tags and comments)
Provide a specific certificate for a host

Fluxzy CLI

If you're interested in having the latest CLI binaries, check the following table: