Let's Encrypt OCSP and Issuance Outage Postmortem
And this is why you always... aww hell, who am I kidding? That was one complex series of events, and I would have done no better.<p>Grats to the Let's Encrypt team for figuring it out, and thanks for writing up the post mortem. It's always interesting to read things like this, and it just goes to show that sometimes all the monitoring you thought you had covered wasn't quite enough.