Similar to Transport_Layer_Security

S/MIME

Point-to-Point Tunneling Protocol

Secure Hypertext Transfer Protocol

Simple public-key infrastructure

Common Open Policy Service

H.248

Session Announcement Protocol

MISTY1

Sieve (mail filtering language)

6to4

Realm-Specific IP

SHA-1

SFlow

VCDIFF

Generalized Multi-Protocol Label Switching

STUN

Internationalized domain name

Punycode

Ogg

Ad hoc On-Demand Distance Vector Routing

CCM mode

Handle System

Camellia (cipher)

ISCSI

Extensible Authentication Protocol

Telephone number mapping

UDP-Lite

Common Gateway Interface