Similar to HTTP_Strict_Transport_Security

HTTP Strict Transport Security

Datagram Transport Layer Security

DNS over TLS

HTTPS

Transport Layer Security

HTTP cookie

Certificate Transparency

Application-Layer Protocol Negotiation

CalDAV

MIME

SMTPS

WebSocket

Server Name Indication

Brat TV

DNS Certification Authority Authorization

HAProxy

Tumblr

Automatic Certificate Management Environment

CAdES (computing)

Diameter (protocol)

DNS over HTTPS

Domain Name System Security Extensions

Forward secrecy

HTTP header injection

Interactive Connectivity Establishment

IPsec

OpenSSL

Web application firewall