Re: SSH certificates - restricting to host groups

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On 31/01/2020 15:37, Michael Ströder wrote:
(BTW: yubikey is slow. So if you have admins accessing many machines in
one go you will get a notable latency during first SSH connection.)

I meant using a single Yubikey as the CA sign the certificates.

I'm thinking of an organization where the number of admins is in the low tens.  The end-game of having daily keys and certs loaded directly into ssh-agent is very appealing, but I'm not sure we're ready to jump right there yet.  Getting people over to certs and starting to rip out ~/.ssh/authorized_keys is an important first step.

As for the freshness of the CRL file: this is something we can easily monitor and alert on in prometheus.

Regards,

Brian.

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