No. 24of 38 ·Intrusion Detection and Prevention Software

FortiGuard DNS Filtering Service

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Freedom report

No signalScore 5.1

DocumentedThinly documented

FortiGuard DNS Filtering Service is ranked #24 of 38 in intrusion detection and prevention software on Freedom251.

Compared on intrusion detection and prevention software

Network scope: network
Encrypted traffic inspection: Yes
Threat intelligence: Yes
Supported platforms: network

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The record

Purpose: The service highlights unusual DNS behavior to improve detection of malicious activity, compromised systems, and rogue-domain staging areas.
DNS threat blocking: It rejects DNS queries from staging sites to help stop infiltration and exfiltration attempts, including DNS leaks.
DNS filtering: It filters DNS requests based on FortiGuard domain ratings.
Botnet blocking: It blocks DNS requests to known botnet command-and-control domains.
DNSSEC: It uses digital signatures to verify the authenticity of DNS responses.
DNS flood protection: It limits the number of DNS requests to protect against DNS flood attacks.
Encrypted DNS inspection: DNS inspection supports DNS over TLS (DoT) and DNS over HTTPS (DoH).
Attack detection: Full inspection of DNS traffic detects DNS-based application, volumetric, and anomaly attacks.
Fabric integrations: The page lists FortiGate, FortiProxy, FortiDDoS, FortiXDR, and FortiTrust as Security Fabric integrations.
Use cases: Fortinet describes protection against DNS spoofing and cache poisoning, improved privacy through DNS traffic encryption, and improved DNS reliability.
Intended customers: The product page presents Enterprise, Small Mid-Sized Businesses, and Service Providers as customer groupings.
Support: Fortinet’s product page links to FortiCare Customer Support and the Fortinet Community support forum.
Company history: Fortinet says it was founded in the San Francisco Bay Area in 2000.
Founded: 2000

Where it ranks on Freedom251

Best Intrusion Detection and Prevention Software in 2026#24 of 38

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Sources

fortinet.com/support/support-services/fortiguard-sec· checked 11 Oct 2026
fortinet.com/corporate/about-us/about-us· checked 11 Oct 2026