On Mon, Jul 01, 2024 at 06:36:50 -0400, Genes Lists wrote:
> After updating both client and remote machine(s) its important to
> restart sshd.
> 
> If you don't restart sshd, and then attempt to ssh into the remote,
> it may fail with:
> 
>    kex_exchange_identification: read: Connection reset by peer


More specifically, the upgraded server logs the following:
sshd: -R not supported here

(when forked by a not-restarted master process)

I can't immediatly spot in the ChangeLog what is causing this, but it
certainly warrants a big post_upgrade warning in the openssh package.

I created an issue for that:

https://gitlab.archlinux.org/archlinux/packaging/packages/openssh/-/issues/5


        Geert


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