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Comment by Bender | Hacker News Reader

I don't know about using it in the kernel but I would love to see OpenSSH support QUIC so that I get some of the benefits of Mosh [1] while still having all the features of OpenSSH including SFTP, SOCKS, port forwarding, less state table and keep alive issues, roaming support, etc... Could OpenSSH leverage the kernel support?

[1] - https://mosh.org/

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SSH would need a lot of work to replace its crypto and mux layers with QUIC. It's probably worth starting from scratch to create a QUIC login protocol. There are a bunch of different approaches to this in various states of prototyping out there.

Fair points. I suppose Mosh would be the proper starting point then. I'm just selfish and want the benefits of QUIC without losing all the really useful features of OpenSSH.

OpenSSH is an OpenBSD project therefore I guess a Linux api isn't that interesting but I could be wrong ofc.

That's a good point. At least it would not be an entirely new idea. [1] Curious what reactions he received.

[1] - https://papers.freebsd.org/2022/eurobsdcon/jones-making_free...

Once Linux implements it, I think odds are high that FreeBSD sooner or later does too. And maybe NetBSD and XNU/Darwin/macOS/iOS thereafter. And if they’ve all got it, that increases the odds that eventually OpenBSD also implements it. And if OpenBSD has the support in its kernel, then they might be willing to consider accepting code in OpenSSH which uses it. So OpenSSH supporting QUIC might eventually happen, but if it does, it is going to be some years away

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