Similar to Quoted-printable

Locator/Identifier Separation Protocol

Mailto

Uniform Resource Identifier

WebSocket

World IPv6 Day and World IPv6 Launch Day

Exterior Gateway Protocol

Automatic Certificate Management Environment

Bootstrap Protocol

Classless Inter-Domain Routing

Diameter (protocol)

DNS over HTTPS

Endpoint Handlespace Redundancy Protocol

Finger (protocol)

HMAC-based one-time password

Internet Protocol Control Protocol

Lightweight Directory Access Protocol

Link Control Protocol

NETCONF

OAuth

Online Certificate Status Protocol

Point-to-Point Tunneling Protocol

QUIC

Real-Time Media Flow Protocol

Berkeley r-commands

Serial Line Internet Protocol

Session Announcement Protocol

Simple Authentication and Security Layer

SOCKS