Similar to PF_(ファイアウォール)

Domain Name System Security Extensions

DNSCrypt

DNS spoofing

Denial-of-service attack

ElGamal signature scheme

Forward secrecy

HTTP Strict Transport Security

HTTPS

HTTP header injection

Interactive Connectivity Establishment

IPsec

IP address spoofing

IP address blocking

Linux Unified Key Setup

NAT traversal

NTLM

The Nym mixnet

OpenSSL

PAdES

Ping of death

Seahorse (software)

SQL injection

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