# CrowdSec Security Stack vs OpenText Core DNS Protection: side-by-side comparison (2026) [CrowdSec Security Stack](https://cybersectools.com/tools/crowdsec-security-stack) is a free [intrusion detection and prevention systems](https://cybersectools.com/categories/idps) solution by [CrowdSec](https://cybersectools.com/companies/crowdsec). [OpenText Core DNS Protection](https://cybersectools.com/tools/opentext-core-dns-protection) is a commercial [intrusion detection and prevention systems](https://cybersectools.com/categories/idps) solution by [OpenText Cybersecurity](https://cybersectools.com/companies/opentext-cybersecurity). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | CrowdSec Security Stack | OpenText Core DNS Protection | |---|---|---| | Pricing model | Free | Commercial | | Category | Intrusion Detection and Prevention Systems | Intrusion Detection and Prevention Systems | | Verified | No | No | | Deployment type | Hybrid | Cloud | | Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | CrowdSec | OpenText Cybersecurity | | Headquarters | – | – | ### Use cases and capabilities | | CrowdSec Security Stack | OpenText Core DNS Protection | |---|---|---| | Open Source | Yes | – | | Bot Protection | Yes | – | | WAF | Yes | – | | DDoS | Yes | – | | C2 | – | Yes | ### Core features **CrowdSec Security Stack** 10 features listed. Sign in on the page to see them. **OpenText Core DNS Protection** 10 features listed. Sign in on the page to see them. ### Integrations **CrowdSec Security Stack** 3 integrations listed. Sign in on the page to see them. **OpenText Core DNS Protection** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [CrowdSec Security Stack](https://cybersectools.com/tools/crowdsec-security-stack) fits if you need both cloud and on-premises options, you are a startup and you need a free product. - [OpenText Core DNS Protection](https://cybersectools.com/tools/opentext-core-dns-protection) fits if you want a cloud product. ## CrowdSec Security Stack vs OpenText Core DNS Protection FAQ Common questions when comparing CrowdSec Security Stack vs OpenText Core DNS Protection for intrusion detection and prevention systems. ### What is the difference between CrowdSec Security Stack and OpenText Core DNS Protection? **CrowdSec Security Stack**: Open source crowd-powered IDS/IPS and WAF for infra & app security. Built by CrowdSec. **OpenText Core DNS Protection**: Cloud-native DNS filtering solution that blocks malicious domains and threats. Built by OpenText Cybersecurity. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes CrowdSec Security Stack and OpenText Core DNS Protection? **CrowdSec Security Stack** is made by CrowdSec. **OpenText Core DNS Protection** is made by OpenText Cybersecurity. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is CrowdSec Security Stack a good alternative to OpenText Core DNS Protection? Often, yes. CrowdSec Security Stack and OpenText Core DNS Protection are both Intrusion Detection and Prevention Systems products. Key differences: CrowdSec Security Stack is Free while OpenText Core DNS Protection is Commercial. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [CrowdSec Security Stack vs Palo Alto Networks Advanced Threat Prevention](https://cybersectools.com/compare/crowdsec-security-stack-vs-palo-alto-networks-advanced-threat-prevention) - [CrowdSec Security Stack vs Trellix Intrusion Prevention System](https://cybersectools.com/compare/crowdsec-security-stack-vs-trellix-intrusion-prevention-system) - [CrowdSec Security Stack vs Snort Open Source](https://cybersectools.com/compare/crowdsec-security-stack-vs-snort-open-source) - [OpenText Core DNS Protection vs Palo Alto Networks Advanced Threat Prevention](https://cybersectools.com/compare/opentext-core-dns-protection-vs-palo-alto-networks-advanced-threat-prevention) - [OpenText Core DNS Protection vs Trellix Intrusion Prevention System](https://cybersectools.com/compare/opentext-core-dns-protection-vs-trellix-intrusion-prevention-system) - [OpenText Core DNS Protection vs Snort Open Source](https://cybersectools.com/compare/opentext-core-dns-protection-vs-snort-open-source) ## Alternatives to each - [See all CrowdSec Security Stack alternatives](https://cybersectools.com/alternatives/crowdsec-security-stack) - [See all OpenText Core DNS Protection alternatives](https://cybersectools.com/alternatives/opentext-core-dns-protection) --- Source: https://cybersectools.com/compare/crowdsec-security-stack-vs-opentext-core-dns-protection For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/crowdsec-security-stack.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on CrowdSec Security Stack and OpenText Core DNS Protection: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md