Bug#1074766: openssh-server: upgrading to openssh-server (1:9.2p1-2+deb12u3) resets /etc/ssh/sshd_config file without any prompt

On Tue, Jul 02, 2024 at 03:05:16PM +0000, John Wellesz wrote:
> I used apt upgrade to install the security update available for
>   openssh-server
> 
>    * What was the outcome of this action?
> 
> It overwrote /etc/ssh/sshd_config without promtping, erasing the custom settings
> and almost locking me out as a result (my custom port setting was gone
> as well as other changes I've made).
> 
>    * What outcome did you expect instead?
> 
> I expected to receive the usual prompt when a configuration file is
> modified asking me what I want to do but there was none.

We'll need to be able to reproduce this problem before being able to do
anything about it.  (I have a modified /etc/ssh/sshd_config on my own
stable system and it wasn't overwritten on upgrade.)

Can you please provide a copy of your modified /etc/ssh/sshd_config,
along with the output of the relevant apt run (which should be preserved
in /var/log/apt/term.log)?