openspa
knockles
openspa | knockles | |
---|---|---|
1 | 3 | |
83 | 229 | |
- | - | |
10.0 | 3.0 | |
over 1 year ago | 9 months ago | |
Go | C | |
MIT License | Apache License 2.0 |
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openspa
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Show HN: Knockles – eBPF Port Knocking Tool
> Is this approach used elsewhere?
Yes, or at least in a similar fashion. An alternative variant of port knocking is SPA (Single Packet Authorization). Often SPA protocols use UDP and contain within the body field an encrypted payload containing all the required data to authenticate and authorize a particular request.
There are multiple different implementations of SPA: OpenSPA [1] (full disclosure: I am the author of OpenSPA), fwknop [2] just to name a few.
SDP (Software Defined Perimeter) often builds upon SPA technologies in order to achieve a form of zero trust access.
[1] - https://github.com/greenstatic/openspa
[2] - https://github.com/mrash/fwknop
I am currently re-writting the OpenSPA protocol (version 2) and I plan on playing around with eBPF as well, so thanks eeriedusk for paving the way :)
knockles
What are some alternatives?
nico - A HTTP3 web server for reverse proxy and single page application, automatically apply for ssl certificate, Zero-Configuration.
fwknop - Single Packet Authorization > Port Knocking
spago - SpaGo is toolkit for Single Page Application.
spa-to-http - Lightweight zero-configuration SPA HTTP server. Serves SPA bundle on HTTP port so it plays well with Traefik out of the box. Compatible with Vue.js, React and Angular
Rendora - dynamic server-side rendering using headless Chrome to effortlessly solve the SEO problem for modern javascript websites