Let’s Encrypt Apache using OpenBSD

The other day, I discovered that my StartSSL certificate was not trustable anymore. That caused one of my vhost to display the Your connection is not secure alert page. Here’s how I switched to Let’s Encrypt using Apache 2.4 and OpenBSD 6.1.

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Trust the gandi.net CA on OpenBSD

This website provides some HTTPS service. I bought the SSL certificate from a French provider called “Gandi”. Unfortunately, it seems their issuer is not known by OpenBSD nor is their own CA trusted by Firefox. As this is in the FAQ, they provide the CA file to manually import in Firefox. Once done, Firefox trusts the whole SSL path. We’ll use this to install the SSL trust path in OpenBSD ; in the OpenSSL instance.
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Back to the sea ; the Certificate Authority (CA), episode IV

OpenBSD FAQ and manpages is full of “how to generate your self-signed certificate”. That’s OK.
But I you get several services, as I’m gonna get, this means you’ll have to deploy every certificate to every client so that they trust them. Creating your own CA enables you to only deploy the CA file to your client. Then, they will trust any certificate that were signed by it.
Plus, it’s fun :p

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My NetBSD Certificate Authority (CA) with OpenSSL

I created a private certificate authority with OpenSSL on NetBSD tu use in my personal LAN. The certificates are used to authenticate servers in SSL/TLS mode and also to remotely connect to my LAN using VPN.
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