# Cloudflare WAF vs ModSecurity: side-by-side comparison (2026)

[Cloudflare WAF](https://cybersectools.com/tools/cloudflare-waf) is a commercial [cloud web application and API protection](https://cybersectools.com/categories/cloud-waap) solution by [Cloudflare, Inc](https://cybersectools.com/companies/cloudflare-inc). [ModSecurity](https://cybersectools.com/tools/modsecurity) is a free [cloud web application and API protection](https://cybersectools.com/categories/cloud-waap) solution. Features, integrations, deployment and the company behind each one, side by side.

## Our take

What our shortlists say about the one we picked.

### [Cloudflare WAF](https://cybersectools.com/tools/cloudflare-waf)

Best for: Teams wanting global protection with little upkeep

It earns its place because the firewall, bot controls and rate limiting all run as one cloud service, so you protect a site by routing its traffic through the network instead of running your own gear. It fits any size, from startups to enterprises. The question to weigh is whether you are comfortable sending all your web traffic through one provider.

From [Best Cloud WAAP Solutions for Business](https://cybersectools.com/shortlists/best-cloud-waap-solutions), Fall 2026.

Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about).

Need the answer fast? [Best Cloud WAAP Solutions for Business](https://cybersectools.com/shortlists/best-cloud-waap-solutions) picks Cloudflare WAF, Akamai App & API Protector, Imperva Web Application Firewall (WAF) and 3 more.

## Side-by-side comparison

| | Cloudflare WAF | ModSecurity |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Cloud Web Application and API Protection | Cloud Web Application and API Protection |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Cloudflare, Inc. | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Cloudflare WAF | ModSecurity |
|---|---|---|
| DDoS | Yes | – |
| Web Security | Yes | Yes |
| WAF | Yes | Yes |

### Core features

**Cloudflare WAF**

10 features listed. Sign in on the page to see them.

**ModSecurity**

No features listed.

### Integrations

**Cloudflare WAF**

13 integrations listed. Sign in on the page to see them.

**ModSecurity**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Cloudflare WAF](https://cybersectools.com/tools/cloudflare-waf) fits if you want a cloud product.
- [ModSecurity](https://cybersectools.com/tools/modsecurity) fits if you need to run it on your own servers and you need a free product.

## Cloudflare WAF vs ModSecurity FAQ

Common questions when comparing Cloudflare WAF vs ModSecurity for cloud web application and API protection.

### What is the difference between Cloudflare WAF and ModSecurity?

**Cloudflare WAF**: A cloud-based web application firewall that protects applications from various cyber threats through rule-based filtering, machine learning detection, and integrated security features. Built by Cloudflare, Inc.

**ModSecurity**: ModSecurity is an open-source web application firewall that provides a flexible and scalable way to monitor and control HTTP traffic.

The table above shows where their features, integrations, deployment and company size fit differ.

### Is Cloudflare WAF a good alternative to ModSecurity?

Often, yes. Cloudflare WAF and ModSecurity are both Cloud Web Application and API Protection products, and both cover Web Security, WAF. Key differences: Cloudflare WAF is Commercial while ModSecurity is Free. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Cloudflare WAF vs Array ASF Series Web Application Firewall](https://cybersectools.com/compare/array-asf-series-web-application-firewall-vs-cloudflare-waf)
- [Cloudflare WAF vs Imperva Application Security](https://cybersectools.com/compare/cloudflare-waf-vs-imperva-application-security)
- [Cloudflare WAF vs Baffin Bay Application Security](https://cybersectools.com/compare/baffin-bay-application-security-vs-cloudflare-waf)
- [ModSecurity vs Array ASF Series Web Application Firewall](https://cybersectools.com/compare/array-asf-series-web-application-firewall-vs-modsecurity)
- [ModSecurity vs Imperva Application Security](https://cybersectools.com/compare/imperva-application-security-vs-modsecurity)
- [ModSecurity vs Baffin Bay Application Security](https://cybersectools.com/compare/baffin-bay-application-security-vs-modsecurity)

## Alternatives to each

- [See all Cloudflare WAF alternatives](https://cybersectools.com/alternatives/cloudflare-waf)
- [See all ModSecurity alternatives](https://cybersectools.com/alternatives/modsecurity)

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Source: https://cybersectools.com/compare/modsecurity-vs-cloudflare-waf

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/cloudflare-waf.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Cloudflare WAF and ModSecurity: 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