OpenText Core DNS Protection is a commercial intrusion detection and prevention systems solution by OpenText Cybersecurity. Snort Open Source is a commercial intrusion detection and prevention systems solution by Cisco. Features, integrations, deployment and the company behind each one, side by side.
Cloud-native DNS filtering solution that blocks malicious domains and threats
Snort is an open-source network intrusion detection and prevention system that analyzes traffic in real-time to identify and block malicious activity using rule-based detection methods.
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Based on what each listing shows: deployment, company size, price and open source.
OpenText Core DNS Protection fits if you want a cloud product.
Snort Open Source fits if you need to run it on your own servers and you are a startup.
Common questions when comparing OpenText Core DNS Protection vs Snort Open Source for intrusion detection and prevention systems.
OpenText Core DNS Protection: Cloud-native DNS filtering solution that blocks malicious domains and threats, built by OpenText Cybersecurity.
Snort Open Source: Snort is an open-source network intrusion detection and prevention system that analyzes traffic in real-time to identify and block malicious activity using rule-based detection methods, built by Cisco.
The table above shows where their features, integrations, deployment and company size fit differ.
OpenText Core DNS Protection is made by OpenText Cybersecurity. Snort Open Source is made by Cisco. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. OpenText Core DNS Protection and Snort Open Source are both Intrusion Detection and Prevention Systems products. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-01
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