# check-my-headers vs F5 WAF for NGINX and F5 DoS for NGINX: side-by-side comparison (2026) [check-my-headers](https://cybersectools.com/tools/check-my-headers) is a free [security scanning](https://cybersectools.com/categories/security-scanning) solution. [F5 WAF for NGINX and F5 DoS for NGINX](https://cybersectools.com/tools/f5-waf-for-nginx-and-f5-dos-for-nginx) is a commercial [cloud web application and API protection](https://cybersectools.com/categories/cloud-waap) solution by [F5](https://cybersectools.com/companies/f5). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | check-my-headers | F5 WAF for NGINX and F5 DoS for NGINX | |---|---|---| | Pricing model | Free | Commercial | | Category | Security Scanning | Cloud Web Application and API Protection | | Verified | No | No | | Deployment type | On-Premises | Hybrid | | Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | GitHub stars | 46 | – | | Last commit | Jun 2023 | – | | Company | – | F5 | | Headquarters | – | – | ### Use cases and capabilities | | check-my-headers | F5 WAF for NGINX and F5 DoS for NGINX | |---|---|---| | Security Scanning | Yes | – | | Node.js | Yes | – | | Bot Protection | – | Yes | | DDoS | – | Yes | | OWASP | – | Yes | | WAF | – | Yes | | Kubernetes | – | Yes | ### Core features **check-my-headers** No features listed. **F5 WAF for NGINX and F5 DoS for NGINX** 10 features listed. Sign in on the page to see them. ### Integrations **check-my-headers** No integrations listed. **F5 WAF for NGINX and F5 DoS for NGINX** 3 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [check-my-headers](https://cybersectools.com/tools/check-my-headers) fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product. - [F5 WAF for NGINX and F5 DoS for NGINX](https://cybersectools.com/tools/f5-waf-for-nginx-and-f5-dos-for-nginx) fits if you need both cloud and on-premises options. ## check-my-headers vs F5 WAF for NGINX and F5 DoS for NGINX FAQ Common questions when comparing check-my-headers vs F5 WAF for NGINX and F5 DoS for NGINX for security scanning. ### What is the difference between check-my-headers and F5 WAF for NGINX and F5 DoS for NGINX? **check-my-headers**: A Node.js tool that analyzes HTTP security headers on websites to identify missing or problematic security configurations. **F5 WAF for NGINX and F5 DoS for NGINX**: WAF and L7 DoS protection for modern apps and APIs in DevOps environments, built by F5. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes check-my-headers and F5 WAF for NGINX and F5 DoS for NGINX? **check-my-headers** is open-source with 46 GitHub stars. **F5 WAF for NGINX and F5 DoS for NGINX** is made by F5. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is check-my-headers a good alternative to F5 WAF for NGINX and F5 DoS for NGINX? In part. check-my-headers and F5 WAF for NGINX and F5 DoS for NGINX are not in the same category on CybersecTools. Key differences: check-my-headers is Free while F5 WAF for NGINX and F5 DoS for NGINX is Commercial, check-my-headers is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [check-my-headers vs RoboShadow OWASP ZAP Vulnerability Scanner](https://cybersectools.com/compare/check-my-headers-vs-roboshadow-owasp-zap-vulnerability-scanner) - [check-my-headers vs Sucuri Website Malware Scanner](https://cybersectools.com/compare/check-my-headers-vs-sucuri-website-malware-scanner) - [check-my-headers vs Domain Verity](https://cybersectools.com/compare/check-my-headers-vs-domain-verity) - [F5 WAF for NGINX and F5 DoS for NGINX vs RoboShadow OWASP ZAP Vulnerability Scanner](https://cybersectools.com/compare/f5-waf-for-nginx-and-f5-dos-for-nginx-vs-roboshadow-owasp-zap-vulnerability-scanner) - [F5 WAF for NGINX and F5 DoS for NGINX vs Sucuri Website Malware Scanner](https://cybersectools.com/compare/f5-waf-for-nginx-and-f5-dos-for-nginx-vs-sucuri-website-malware-scanner) - [F5 WAF for NGINX and F5 DoS for NGINX vs Domain Verity](https://cybersectools.com/compare/domain-verity-vs-f5-waf-for-nginx-and-f5-dos-for-nginx) ## Alternatives to each - [See all check-my-headers alternatives](https://cybersectools.com/alternatives/check-my-headers) - [See all F5 WAF for NGINX and F5 DoS for NGINX alternatives](https://cybersectools.com/alternatives/f5-waf-for-nginx-and-f5-dos-for-nginx) --- Source: https://cybersectools.com/compare/check-my-headers-vs-f5-waf-for-nginx-and-f5-dos-for-nginx For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/check-my-headers.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on check-my-headers and F5 WAF for NGINX and F5 DoS for NGINX: 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