Category — Page 5

SSL Basics — Page 5

50 guides covering the foundations: what SSL/TLS is, how the handshake works, the cryptography underneath, and every certificate type and field you'll run into.

What Is a Trust Seal and Do They Still Matter?

Those "Secured by..." badges you see near checkout buttons — how much weight do they actually carry?

Understanding Browser Certificate Warnings

Not all warnings mean the same thing — some are routine, some mean stop immediately.

What Is TLS Session Resumption?

Why the second page you load on a site connects noticeably faster than the first.

What's the Difference Between a Certificate and a Key Pair?

Two related but distinct things people often use interchangeably — worth untangling once, clearly.

Understanding the Subject and Issuer Fields in a Certificate

Two fields that answer two different questions: who is this for, and who says so?

What Is Domain Validation and How Fast Is It?

The fastest, least rigorous certificate check — issued in minutes, entirely automated.

Can Two Sites Share the Same Certificate?

Sometimes — and the answer determines whether you need one certificate or several.

How to Read an SSL Certificate's Details

A field-by-field walkthrough of what you're actually looking at when you click "view certificate."

What Is a Certificate Store (Trust Store)?

The actual list of who your device already trusts — and why it occasionally needs updating.

What Is TLS Termination?

Where the encrypted connection actually ends — and it's often not where you'd assume.