The confusion is understandable. _TECHNICALLY_ the only thing that exists is TLS. The implementation history is SSL 3.0 < TLS 1.0 ... 1.3 However, SSL is stil

The confusion is understandable. _TECHNICALLY_ the only thing that exists is TLS. The implementation history is SSL 3.0 < TLS 1.0 ... 1.3 However, SSL is still used colloquially in conversation, e.g. "SSL certificate" and in many legacy config flags, such as Firefox's `about:config`. For best clarity, check the details of all those settings, even the SSL ones. But TLS is the term for the modern standards.