Christina Warren
FYI: #GitHub’s RSA SSH key was replaced. This won’t impact most users but if you do access GitHub via SSH using RSA, you’ll need to remove the old key from your keychain and add the new one. Details are here https://github.blog/2023-03-23-we-updated-our-rsa-ssh-host-key/
We updated our RSA SSH host key

At approximately 05:00 UTC on March 24, out of an abundance of caution, we replaced our RSA SSH host key used to secure Git operations for GitHub.com.

The GitHub Blog
Mar 24, 2023 at 5:37amIvory for iOS
Show threadkravietz 🦇Mar 24, 2023

@film_girl

Have they heard about SSHFP?

> dig sshfp github.com +short >

No.

Better post an announcement in github.blog so that everyone can be wondering where this domain is even legit…

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Show threadRichard HylandMar 24, 2023
@film_girl ah that explains the warning I got when trying to push earlier
Show threadJoe SchmittMar 24, 2023
@film_girl well that was a fun few hours while all our CircleCI jobs absolutely exploded…