[lug] Curious About /etc/ssh/keys

[John Hernandez]

In both Ubuntu and Fedora, I think that is handled as a post-install hook
by the package system if/when the SSH server package gets installed.  So
that means you should get new, unique host keys for fresh SSH server
installs.


On Thu, Dec 3, 2020 at 11:17 AM D. Stimits <stimits at comcast.net> wrote:

> Hi,
>
> I am curious about the generation of the keys for identifying a specific
> host under "/etc/ssh/...various keys...". There are all flavors of Linux
> distributions, and different package management systems. Does anyone happen
> to know if it is "traditional" (or at least common) to have the package
> generate new random keys for each machine, such that installing several
> systems won't leave all systems with the same key?
>
> Basically it makes sense to have those keys randomly generated at the time
> of installing, and mostly I am thinking of Ubuntu and Fedora, but can
> anyone here think of any distributions where installing many machines would
> leave them all with the same key? Or does this seem to follow the logical
> idea of pseudo random key generation during system install?
>
> Thanks!
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