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by bradfitz 435 days ago
> Otherwise Plan 9 can do it's own VPN-like over tls or ssh tunnels and bind remote network stacks to a local namespace

Note that one of Tailscale's main party tricks is NAT traversal, when both machines are behind different NATs and can't otherwise get a connection open to each other. (And then Tailscale ultimately falls back to a relay server on the internet if it can't get a direct connection for IP packets)

1 comments

For situations where you have no control over the NAT then this is indeed the case.

Though, 9front lets you run your own NAT giving you an Internet facing 9 machine you can serve a TLS tunnel from directly. So the server side is solved making the client side NAT a non issue.

If your 9front machine is in a position on the network whereby it could serve a NAT, you don't have many networking problems at that point. Almost all operating systems can do NAT in such a position.

I'm talking about two machines deep in somebody else's network or where you don't control the router/NAT.