Similar to Line_Printer_Daemon_protocol

Challenge-Handshake Authentication Protocol

Mobile IP

UTF-8

HMAC

HTTP cookie

MHTML

Dynamic DNS

Uniform Resource Name

CAST-128

Service Location Protocol

Label Distribution Protocol

Resource Reservation Protocol

Augmented Backus–Naur form

RC2

KOI8-U

RFC 2322

Hyper Text Coffee Pot Control Protocol

Real-Time Streaming Protocol

Virtual Router Redundancy Protocol

Mailto

IP Payload Compression Protocol

VCard

Point-to-Point Protocol over Ethernet

WebDAV

Year 10,000 problem

CAST-256

Diffie–Hellman key exchange

S/MIME