Similar to EIGRP

Link-local address

Automatic Certificate Management Environment

Bootstrap Protocol

Caddy (web server)

Classless Inter-Domain Routing

DCE Distributed File System

Diameter (protocol)

DNS over HTTPS

DNS over TLS

DNS-based Authentication of Named Entities

DNSCrypt

Dynamic synchronous transfer mode

Endpoint Handlespace Redundancy Protocol

Fiber Distributed Data Interface

Finger (protocol)

Gemini (protocol)

HMAC-based one-time password

HTTPS

IMessage

Internet Protocol Control Protocol

InterPlanetary File System

Internet Storage Name Service

Lightweight Directory Access Protocol

Link Control Protocol

LISTSERV

NAT-T

NETCONF