Similar to Simple_Network_Time_Protocol

Network Time Protocol#SNTP

Time Protocol

Chrony

Daytime Protocol

OpenNTPD

Precision Time Protocol

Network Time Protocol

Internet protocol suite

Exterior Gateway Protocol

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

Enhanced Interior Gateway Routing Protocol

Endpoint Handlespace Redundancy Protocol

Fiber Distributed Data Interface

File eXchange Protocol

Finger (protocol)

Gemini (protocol)