Similar to FireWall-1

Cloud access security broker

Content Security Policy

Datagram Transport Layer Security

Diameter (protocol)

Digital Signature Algorithm

Distributed Sender Blackhole List

DNS over HTTPS

DNS over TLS

Domain Name System Security Extensions

DNSCrypt

DNS spoofing

Denial-of-service attack

ElGamal signature scheme

Endpoint detection and response

Forward secrecy

HTTP cookie

HTTP Flood

HTTP Strict Transport Security

HTTPS

HTTP header injection

Interactive Connectivity Establishment

IPsec

IP address spoofing

IP address blocking

LDAP injection