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Encryption General
Watch “Practical TLS - Free Lessons” on YouTube
What Is a PEM File and How Do You Use It?
Certificates for localhost
Generate Wildcard SSL certificate using Let’s Encrypt/Certbot
DNS-01 challenge: wildcard TLS certificates on Kubernetes
Let’s Encrypt - Challenge Types
Let’s Encrypt Certificates in Azure with ACMEBot
PGP
Managing OpenPGP Keys
pfSense
Watch “How To Setup ACME, Let’s Encrypt, and HAProxy HTTPS offloading on pfsense” on YouTube
Watch “How To Create pfsense Let’s Encrypt Wildcard Certificates using HAProxy” on YouTube
pfSense - webConfigurator default Certificate expiring - .matrixpost.net
Using PFSense as an internal CA
Certificate Authority Management
Acmesh-official - How to use Azure DNS
Acme certs fail> “Not valid yet, let’s wait 10 seconds and check next one.”
PSA: GoDaddy has changed its API access. Affects ACME/LetsEncrypt