Firewall

Web Application Firewall
Vercel WAF
For billing details, review Usage & Pricing for Vercel WAF.
- IP blocking: Learn how to configure IP blocking
- Custom rules: Learn how to configure custom rules for your project
- Managed rulesets: Learn how to enable managed rulesets for your project (Enterprise plan)
You can reach our customer support team by emailing info@yourcompany.example.com, calling +1 555-555-5556, or using the live chat on our website. Our dedicated team is available 24/7 to assist with any inquiries or issues.
We’re committed to providing prompt and effective solutions to ensure your satisfaction.
We offer a 30-day return policy for all products. Items must be in their original condition, unused, and include the receipt or proof of purchase. Refunds are processed within 5-7 business days of receiving the returned item.
Limits
- From your dashboard, select the project you'd like to configure, then open Firewall in the sidebar
- Select the View Audit Log option by clicking on the ellipsis menu at the top right
- Find the version that you would like to restore to by using the date and time selectors
- Select Restore and then Restore Configuration on the confirmation modal
Depending on your plan, there are limits for each Vercel WAF feature.
Enterprise
- For Account-level IP Blocking, CIDR rules are limited to /16 for IPv4 and /48 for IPv6
- For Custom Rule Parameters, JA3 (Legacy) is available on Enterprise plans
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Last updated July 29, 2026
Cross-link map: Vercel WAF (/docs/vercel-firewall/vercel-waf)From the Vercel docs graph (built 2026-09-21T05:26:59.511Z), spanning vercel.com docs + KB, nextjs.org, ai-sdk.dev, and other Vercel documentation sites. Full graph as JSON: https://vercel.com/docs/graph.jsonSemantically closest pagesVercel Firewall — Learn how Vercel Firewall helps protect your applications and websites from malicious attacks and unauthorized access.WAF IP Blocking — Learn how to customize the Vercel WAF to restrict access to certain IP addresses.WAF Examples — Learn how to use Vercel WAF to protect your site in specific situations.WAF Rate Limiting — Learn how to configure custom rate limiting rules with the Vercel Web Application Firewall \(WAF\).Usage & Pricing for Vercel WAF — Learn how the Vercel WAF can affect your usage and how specific features are priced.This page links to (7)Vercel Firewall — Learn how Vercel Firewall helps protect your applications and websites from malicious attacks and unauthorized access.Firewall Observability — Learn how firewall traffic monitoring and alerts help you react quickly to potential security threats.WAF Custom Rules — Learn how to add and manage custom rules to configure the Vercel Web Application Firewall \(WAF\).WAF IP Blocking — Learn how to customize the Vercel WAF to restrict access to certain IP addresses.WAF Managed Rulesets — Learn how to use WAF Managed Rulesets with the Vercel Web Application Firewall \(WAF\)Rule Configuration Reference — List of configurable options with the Vercel WAFUsage & Pricing for Vercel WAF — Learn how the Vercel WAF can affect your usage and how specific features are priced.Pages that link here (26)By site: vercel-changelog (3) · vercel-kb (9) · vercel-docs (14)From vercel-changelogManage Vercel Firewall in the CLIVercel WAF for Blob is now generally availableWeb Application Firewall control now available with vercel.jsonFrom vercel-kbHow to build a honeypot with Vercel Web Application Firewall — Learn how to build a honeypot with Vercel Web Application Firewall \(WAF\) that catches bots ignoring your robots.txt. 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