Similar to LDAP

Reverse Address Resolution Protocol

Stream Control Transmission Protocol

Type–length–value

Uniform Resource Identifier

User Datagram Protocol

Cryptographic Message Syntax

Ephemeral port

Neighbor Discovery Protocol

Percent-encoding

Portmap

Automatic Certificate Management Environment

DNS over TLS

Gemini (protocol)

HMAC-based one-time password

HTTPS

Internet Protocol Control Protocol

InterPlanetary File System

Internet Storage Name Service

OAuth

Point-to-Point Tunneling Protocol

QUIC

Quoted-printable

Real-Time Media Flow Protocol

Serial Line Internet Protocol

Session Announcement Protocol

SOCKS

Service discovery

Handle System