Implemented in Python on top of trio and h11, it is written for ease of comprehension and auditing. (This makes it easy to adopt in situations where you'd want such a proxy.)

A secondary goal is to be flexible. It can be used in two ways:

As a stand-alone proxy. Just run the module:

python -m tunnelproxy --address localhost --port 8080 --config example-config.json

As a library. The proxy (TunnelProxy) always runs in Trio's event loop, but a wrapper (SynchronousTunnelProxy) lets you run it from normal code.

Make it your own!

For example of (2), see tunnelproxy/__main__.py.

Performance

The proxy is single-threaded.

On an AMD Ryzen 9 7900, it handles 1000 connections per second at <5ms maximal latency, as measured on a 10s burst. (See benchmarking for details.)

It's not much, but enough for many use cases.

Changelog

See docs/CHANGELOG.md.

License

This project is MIT licensed. TrioHTTPConnection from adapter.py is based on h11's example server, by Nathaniel J. Smith. The rest is written by Antun Maldini.

Keywords

whitelist proxy HTTP

FAQs

What is tunnelproxy?

Is tunnelproxy well maintained?

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