# HAProxy One vs Source Defense PCI 4.0.1 Compliance Solution: side-by-side comparison (2026) [HAProxy One](https://cybersectools.com/tools/haproxy-one) is a commercial [web application firewall](https://cybersectools.com/categories/web-application-firewall) solution by [HAProxy Technologies](https://cybersectools.com/companies/haproxy-technologies). [Source Defense PCI 4.0.1 Compliance Solution](https://cybersectools.com/tools/source-defense-pci-401-compliance-solution) is a commercial [web application firewall](https://cybersectools.com/categories/web-application-firewall) solution by [Source Defense](https://cybersectools.com/companies/source-defense). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | HAProxy One | Source Defense PCI 4.0.1 Compliance Solution | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Web Application Firewall | Web Application Firewall | | Verified | No | No | | Deployment type | Hybrid | Cloud | | Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | HAProxy Technologies | Source Defense | | Headquarters | – | – | ### Use cases and capabilities | | HAProxy One | Source Defense PCI 4.0.1 Compliance Solution | |---|---|---| | WAF | Yes | – | | DDoS | Yes | – | | Bot Protection | Yes | – | | SSL | Yes | – | | TLS | Yes | – | | Kubernetes | Yes | – | | Traffic Filtering | Yes | – | | Observability | Yes | – | | PCI DSS | – | Yes | | Alerting | – | Yes | ### Core features **HAProxy One** 10 features listed. Sign in on the page to see them. **Source Defense PCI 4.0.1 Compliance Solution** 8 features listed. Sign in on the page to see them. ### Integrations **HAProxy One** 3 integrations listed. Sign in on the page to see them. **Source Defense PCI 4.0.1 Compliance Solution** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [HAProxy One](https://cybersectools.com/tools/haproxy-one) fits if you need both cloud and on-premises options. - [Source Defense PCI 4.0.1 Compliance Solution](https://cybersectools.com/tools/source-defense-pci-401-compliance-solution) fits if you want a cloud product and you are a small business. ## HAProxy One vs Source Defense PCI 4.0.1 Compliance Solution FAQ Common questions when comparing HAProxy One vs Source Defense PCI 4.0.1 Compliance Solution for web application firewall. ### What is the difference between HAProxy One and Source Defense PCI 4.0.1 Compliance Solution? **HAProxy One**: Unified app delivery platform with load balancing, WAF, DDoS, and bot protection. Built by HAProxy Technologies. **Source Defense PCI 4.0.1 Compliance Solution**: PCI DSS 4.0.1 compliance solution for website payment page security. Built by Source Defense. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes HAProxy One and Source Defense PCI 4.0.1 Compliance Solution? **HAProxy One** is made by HAProxy Technologies. **Source Defense PCI 4.0.1 Compliance Solution** is made by Source Defense. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is HAProxy One a good alternative to Source Defense PCI 4.0.1 Compliance Solution? Often, yes. HAProxy One and Source Defense PCI 4.0.1 Compliance Solution are both Web Application Firewall products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [HAProxy One vs HAPEE AWS](https://cybersectools.com/compare/hapee-aws-vs-haproxy-one) - [HAProxy One vs HAProxy Edge](https://cybersectools.com/compare/haproxy-edge-vs-haproxy-one) - [HAProxy One vs SkyCloud SkyWAF](https://cybersectools.com/compare/haproxy-one-vs-skycloud-skywaf) - [Source Defense PCI 4.0.1 Compliance Solution vs HAPEE AWS](https://cybersectools.com/compare/hapee-aws-vs-source-defense-pci-401-compliance-solution) - [Source Defense PCI 4.0.1 Compliance Solution vs HAProxy Edge](https://cybersectools.com/compare/haproxy-edge-vs-source-defense-pci-401-compliance-solution) - [Source Defense PCI 4.0.1 Compliance Solution vs SkyCloud SkyWAF](https://cybersectools.com/compare/skycloud-skywaf-vs-source-defense-pci-401-compliance-solution) ## Alternatives to each - [See all HAProxy One alternatives](https://cybersectools.com/alternatives/haproxy-one) - [See all Source Defense PCI 4.0.1 Compliance Solution alternatives](https://cybersectools.com/alternatives/source-defense-pci-401-compliance-solution) --- Source: https://cybersectools.com/compare/haproxy-one-vs-source-defense-pci-401-compliance-solution For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/haproxy-one.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on HAProxy One and Source Defense PCI 4.0.1 Compliance Solution: 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