Cloudflare WAF
Last Updated
Key Takeaways
Generated from the text of customer reviews
Cloudflare WAF is an edge-based web application firewall that inspects incoming web traffic to block malicious threats before they reach origin servers. It protects web applications and APIs from zero-day exploits and malicious bots. Users like the platform for its detailed protection features, but have reported weaknesses in bot detection in older versions. The platform recently updated its threat detection to better protect against SQL injection (SQLi) attempts.
Our Verdict
Cloudflare WAF caters to businesses that need fast, scalable application security without managing complex hardware. It can be used by companies deploying security rules across a global network to protect web endpoints close to the end user. While the lower-tier plans offer only basic security options, users like the advanced protection that comes with enterprise contracts. We recommend it for organizations needing PCI-DSS compliance and API protection.
Overall Rating
Based on 119 users reviews
4.5
Rating Distribution
Positive
92%
Neutral
5%
Negative
3%
Starting Price
$25
per month
Cloudflare WAF Specifications
- Firewall Protection
- Threat Intelligence
- Vulnerability Management
- Cloud Security
What Is Cloudflare WAF?
Cloudflare WAF is a cloud-native web application firewall that inspects incoming HTTP and HTTPS traffic at the network edge. It identifies and blocks malicious payloads, such as SQL injections and cross-site scripting (XSS), before they reach the host infrastructure. The system updates its threat intelligence to virtually patch zero-day vulnerabilities protecting origin servers without adding the administrative overhead that needs dedicated teams to handle.
What Is Cloudflare WAF Best Known For?
Cloudflare WAF is best known for its Zero-Day Protection feature. When new security vulnerabilities emerge across the web, this capability allows teams to write and deploy protective firewall rules across their global network to make sure the system stays protected. This virtual patching capability shields web applications and APIs, protecting developers and security teams before they even have time to patch their own underlying source code. The platform then auto-updates its security rules to block exploits while also maintaining low false-positive rates and zero added latency.
How Much Does Cloudflare WAF Cost?
Cloudflare WAF pricing starts at $25/month for the Pro Plan, which comes with features like DNS and DDoS protection, with lossless image optimization. Other plans listed by the platform include:
- Free: $0/month
- Pay-as-you-go: $7/user/month
- Business: $250/month
- Contract - Custom Pricing (Billed annually)
Additionally, users opting for Cloudflare WAF protection should also consider the following charges that might apply on top of the base fee:
- Implementation And WAF Configuration: $500–$5,000+
- Custom WAF Rule Development: $500–$3,000+
- Advanced Rate Limiting: $100–$1,000+/month
- Bot Management: $500–$5,000+/month
- Security Analytics And Log Retention: $100–$2,000+/month
- SIEM/Logpush Integration: $200–$2,000+/month
Disclaimer: The pricing is subject to change.
Cloudflare WAF Integrations
The software supports integration with multiple systems and platforms, such as:
- Terraform
- Azure Active Directory
- Accenture Consulting Services
- Kyndryl
- NTT Data Consulting
How Does Cloudflare WAF Work?
You can follow these steps to get started with Cloudflare WAF once you have logged into the system:
- Route your website domain traffic through Cloudflare DNS proxy
- Enable Cloudflare Managed Rulesets to block common OWASP threats automatically when they arise
- Set up custom firewall rules using field matchers like IP, URI, country, or user agent, whichever might be needed in each situation
- Set up rate limiting rules to block brute-force attacks and credential stuffing attempts
- Allow for Schema Validation to inspect and block malformed API requests
- Monitor threat analytics dashboards to view blocked traffic patterns and security events
- Deploy virtual patches to protect applications against CVEs before backend code fixes
Who Is Cloudflare WAF For?
Cloudflare WAF software is ideal for a wide range of industries and sectors, including:
- Consulting
- SaaS
- Web development
- Education
- Marketing and advertising
- Information Technology (IT)
Cloudflare WAF Use Cases
Based on our analysis of Cloudflare WAF features and capabilities, we have identified a few use cases where the platform can be a useful tool:
Security Teams Protecting Web Apps And APIs Against Common Vulnerabilities
Web applications and API endpoints can often face persistent threat activity aimed at exploiting standard coding flaws like SQL injections and cross-site scripting (XSS). Cloudflare WAF resolves this vulnerability through its OWASP top ten vulnerability protection, which analyzes incoming web traffic against structured threat patterns. The system automatically identifies and blocks malicious payloads targeting your databases or application scripts. This in turn prevents unauthorized data exfiltration without requiring developers to rewrite core application logic.
DevOps Engineers Securing Infrastructure Against Newly Disclosed CVEs
Cloudflare WAF can address issues in open-source libraries and risk in new CVEs with its Virtual Patching for CVEs capability. This feature deploys targeted inspection rules across edge servers globally within minutes of a zero-day announcement. Operations teams block active exploit attempts instantly at the network perimeter, giving developers the time needed to thoroughly test and deploy permanent software patches.
Application Developers Guarding File Upload Endpoints From Malicious Storage
Web portals that allow users to upload documents or files can sometimes become vectors for hosting and executing malicious code on internal servers. Cloudflare WAF can mitigate this danger through its Inline Malware Gateway, which routes file-upload traffic directly through WAF Content Scanning. This means that developers can use the platform to evaluate upload data in transit. They can then use this data and set up security policies to isolate or rewrite dangerous files before they reach origin storage systems.
Enterprise IT Operations Maintaining Continuous Defense Against Emerging Threats
Cloudflare WAF can help security teams that lack the time to manually update firewall rules every time a new cyber threat emerges on the internet using its Automated Security Updates. The platform uses global threat intelligence gathered across Cloudflare's entire edge network to constantly update webpage security. This means that when new attack patterns are detected, updated threat signatures deploy automatically across all customer environments. Which in turn shields infrastructure against emerging risks without manual staff intervention.
Is Cloudflare WAF Right For You?
If your organization is struggling with DDoS attacks and manual security rule maintenance, Cloudflare WAF can be a good cybersecurity fit. The platform offers scalability and speed by running on Cloudflare’s global network to mitigate attacks and keep web-based applications working smoothly. Recognized as a Leader in The Forrester Wave™ Web Application Firewall Solutions, the platform provides enterprise-grade protection against threats like SQL injection and XSS. It helps organizations maintain data privacy standards with PCI DSS 4.0 and ISO 27001 compliance.
Still doubtful if Cloudflare WAF is the right fit for you? Connect with our staff at (661) 384-7070 for further guidance.
Cloudflare WAF Features
Cloudflare Managed Rulesets
This core capability provides pre-configured, continuously updated threat signatures maintained directly by Cloudflare security analysts. It inspects incoming HTTP and HTTPS requests to block OWASP Top 10 vulnerabilities like cross-site scripting (XSS), SQL injection, and application flaws without requiring teams to write or maintain custom rulesets.
Rate Limiting
This feature monitors request frequency across endpoints to prevent brute-force login attempts like credential stuffing and web scraping. Security teams can set specific request thresholds based on IP ranges or session headers, automatically triggering managed challenges or rate caps when limits are breached. Users can also use this feature to limit cookie deployment and other tracking hooks.
Account-Level WAF Configuration
Security administrators can use this feature to build and deploy security policies centrally across multiple domains and web zones. It allows teams to define rule sets at the account level and apply them globally. Administrators can use match expressions to target specific URI paths or traffic types, making consistent security posture possible and removing manual repetitive setups across large enterprise fleets.
Content Prefetch
Content prefetch is an automated resource loading feature that identifies and retrieves specific assets and data payloads before a user must request them. The platform uses this to analyze navigation patterns and active DOM elements to send fetch requests to the edge cache or origin server.
Pros And Cons of Cloudflare WAF
Pros
Offers faster website load times than most WAF options making it a better choice
Comes with zero downtime security features for 24/7 protection
Global CDN improves content delivery speed making it a faster option that competitors
Offers custom security rules for better adaptability
Provides onsite data management reducing the possibility of data transit attacks
Cons
Advanced firewall rules can be overwhelming for some users
Occasional false positives in security filtering can slow down the workflow
Lacks adaptive firewall capability, meaning it needs manual configuration
Cloudflare WAF Reviews
Total 119 reviews
4.5
All reviews are from verified customers
Rating Distribution
5
Stars69%
4
Stars23%
3
Stars4%
2
Stars1%
1
Stars3%
Share your experience
Media Production, 1-10 employees
Less than 6 months
“Speed meets safety”
Pros
Cloudflare's biggest strengths in my book are speed, reliability, security and privacy whenever I'm logging into a new website.
Cons
What I like least is when it crashes sometimes and we lose access to make websites.
Rating Distribution
Ease of use
8
Value for money
9
Customer Support
8
Functionality
8
Computer Software, 51-100 employees
More than a year
“Secure stack done right”
Pros
Getting a strong security and performance layer without forcing every concern into the application itself is what Cloudflare does for us with its traffic protection and flexible security controls. At NextDay AI, the combination of traffic protection, flexible security controls, caching, R2 storage and Pages helps us keep services fast and reliable while simplifying parts of our infrastructure and the caching options are especially valuable for reducing unnecessary origin load and improving response times.
Cons
Figuring out whether an issue comes from the application, the cache or a Cloudflare rule is not always easy especially with some of the more advanced configuration taking time to understand when multiple cache rules, security settings and access policies interact. The dashboard can feel dense when moving beyond the basic setup.
Rating Distribution
Ease of use
7
Value for money
9
Customer Support
8
Functionality
9
Computer & Network Security, 51-100 employees
Less than a year
“fast dns + security”
Pros
Website security, DNS management and performance all in one place is where Cloudflare helps the most and that's what I liked about it. The DNS is fast and easy to manage and features like proxying, SSL, firewall rules and basic DDoS protection are very useful. It gives you a lot of control without needing to overcomplicate the setup.
Cons
few settings are confusing if you are not familiar with DNS, caching or security rules is what I liked least about Cloudflare. A small change can affect how a website loads so you do need to understand what you are changing. Some of the more advanced features also take time to learn properly.
Rating Distribution
Ease of use
7
Value for money
9
Customer Support
8
Functionality
9
Frequently Asked Questions
Who are the typical users of Cloudflare WAF?
Cloudflare WAF features are best suited for users in consulting and education, media and content management, cybersecurity and research, software and technology, marketing and advertising, and information technology and services sectors.
What language does Cloudflare WAF support?
The software is available primarily in English.
Does Cloudflare WAF offer an API?
Yes, Cloudflare WAF provides an API.
What level of support does Cloudflare WAF offer?
Cloudflare WAF offers support through phone and live chat.
What types of pricing plans does Cloudflare WAF offer?
Cloudflare WAF price starts at $25/month for the Pro plan. It also offers a Free plan, a Pay-as-you-go plan at $7/user/month, a Business plan at $250/month, and a Contract plan for custom pricing (billed annually). Get in touch for a personalized Cloudflare WAF cost estimate.
What other apps does Cloudflare WAF integrate with?
Cloudflare WAF integrates with platforms such as Terraform, Azure Active Directory, Accenture Consulting, Kyndryl, and NTT Consulting.
Does Cloudflare WAF have a mobile app?
No, Cloudflare WAF does not offer a mobile app.