How to specify chost (client hostname) used for hostbased authentication?

[Chris Rapier]

On 9/5/25 06:04, Brian Candler wrote:
> On 05/09/2025 10:45, Jan Schermer wrote:
>> I am not that familiar with HostbasedAuthentication, or rather how it 
>> was/is actually used and what the background is.
> 
> There's a reasonable overview here:
> 
> https://hea-www.harvard.edu/~fine/Tech/ssh-host-based.html
> 
> Basically it's to get rssh-like functionality between a local cluster of 
> machines that trust each other.  A user logged in as "foo" on machine A 
> can ssh into account "foo" on machine B. But instead of user foo having 
> their own personal key pair, there's a key pair between the hosts 
> themselves.

That's how we use it in our HPC cluster. We don't use it anywhere else 
due to security concerns.