Snort++ is a free intrusion detection and prevention systems solution. ThreatSTOP Protective DNS is a commercial intrusion detection and prevention systems solution by ThreatSTOP. Features, integrations, deployment and the company behind each one, side by side.
Snort 3 is the next generation Snort IPS with enhanced features and improved cross-platform support.
DNS-layer threat blocking service with real-time threat intelligence feeds
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
Snort++ fits if you need to run it on your own servers, you need a free product and you want an open-source product.
ThreatSTOP Protective DNS fits if you want a cloud product and you are a startup.
Common questions when comparing Snort++ vs ThreatSTOP Protective DNS for intrusion detection and prevention systems.
Snort++: Snort 3 is the next generation Snort IPS with enhanced features and improved cross-platform support.
ThreatSTOP Protective DNS: DNS-layer threat blocking service with real-time threat intelligence feeds. Built by ThreatSTOP.
The table above shows where their features, integrations, deployment and company size fit differ.
Snort++ is open-source with 3,053 GitHub stars. ThreatSTOP Protective DNS is made by ThreatSTOP. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Snort++ and ThreatSTOP Protective DNS are both Intrusion Detection and Prevention Systems products. Key differences: Snort++ is Free while ThreatSTOP Protective DNS is Commercial, Snort++ is open-source. Use the table above to see where features, deployment and company size fit differ.
No Intrusion Detection and Prevention Systems shortlist yet. This is the closest one.
Updated 2026-11-02
See the shortlist