DNS and Networking Security

The Domain Name System (DNS) is the backbone of the Internet—it should also be the backbone of your network security. The DNS & Networking Security Glossary pulls together and defines the facets of DNS, DNS filtering, and other terminology around securing DNS networks.

 

Glossary > DNS and Networking Security

Understand how Anycast improves network routing and enhances server reliability in case of failures.
Cache poisoning is a form of DNS poisoning done by corrupting DNS cache entries with false data for malicious intent.
CNAME is a DNS record that maps an alias name to the actual name or another canonical domain name.
DNS Tunneling is a malware technique that allows an attacker to establish a command-and-control (C2) channel to a victim’s computer.
IPS is a network security tool that monitors a network for malicious activity, reports it when it happens, and takes action to prevent it.
Discover how DNS filtering blocks threats and enforces policies at the DNS layer to improve network security and protect users from online risks.
Learn how DNS over HTTPS (DoH) encrypts DNS queries for private, secure browsing. Discover benefits, use cases, and how DNSFilter helps.
Learn how DNS over TLS (DoT) encrypts DNS queries to enhance privacy, prevent spoofing, and protect internet activity from surveillance.
DNS poisoning, or DNS spoofing, misdirects users to fake sites. Learn the signs, examples, & how to prevent attacks with real-time protection.
Learn how Protective DNS (PDNS) blocks malicious domains by analyzing DNS queries with threat intelligence, supporting zero trust security.