Similar to LISTSERV

DCE Distributed File System

Exterior Gateway Protocol

Bootstrap Protocol

Classless Inter-Domain Routing

Diameter (protocol)

DNS-based Authentication of Named Entities

Endpoint Handlespace Redundancy Protocol

Finger (protocol)

Lightweight Directory Access Protocol

Link Control Protocol

NETCONF

Online Certificate Status Protocol

Berkeley r-commands

Session Description Protocol

Simple Authentication and Security Layer

Syslog

Type–length–value

Ephemeral port

Tor (network)

Portmap

Sympa

Kontact#News Feed Aggregator

ALTQ

Arping

Avahi (software)

Berkeley Open Infrastructure for Network Computing