Test for modern Internet Standards IPv6, DNSSEC, HTTPS, HSTS, DMARC, DKIM, SPF, STARTTLS, DANE, RPKI and security.txt

Are you a developer who uses macOS, and do you want to add project names to your localhost development URLs? Here is how I created custom URLs for my localhost projects.

Sectigo, a global leader in digital certificates and automated Certificate Lifecycle Management (CLM), today announced that the CA/Browser (CA/B) Forum ballot it endorsed to reduce the maximum validity term of SSL/TLS certificates to 47 days by 2029 has passed. This groundbreaking move to shorten digital certificate lifespans seeks to enhance online security, drive automation in certificate management, and ready systems for quantum computing challenges by improving crypto agility

I use the built in japanese to english translator in Firefox to read this interesting blog with moderate success.

Detect broken cryptographic keys

This article is misleading since a lot

Yeah, on Gemini you want a cert

How to use SSLKEYLOGFILE and Wireshark to decrypt HTTPS traffic.

security certificates