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Yeah learning about gVisor was one of the most fun parts of this project. The gVisor devs are incredibly helpful. If you look through the gvisor-users mailing list you'll see me asking them various questions about this and they really helped out a bunch with some incredibly thorough answers.

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Outstanding! Congratulations on writing such a wonderful project!

I have a suggestion regarding the "How It Works" section. When reading it, I initially thought you had implemented your TCP/IP stack from scratch. Later, I discovered through the comments that you're using gVisor. Perhaps you might consider mentioning this explicitly in the documentation?

As an interesting side note, gVisor's netstack is also used in the Tailscale client, enabling features like connecting a machine to multiple tailnets without requiring special privileges.

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