AI BriefingVercel Firewall Exempts Blocked Traffic from Billing
Key point
Vercel has exempted traffic blocked by WAF from CDN and transfer billing.
Details
Vercel Firewall now exempts CDN Requests and Fast Data Transfer billing for traffic that WAF denies, challenges, or rate-limits. The existing unlimited DDoS mitigation free policy remains unchanged, and this change is a measure to reduce cost burden for malicious, non-DDoS traffic.
WAF provides custom rules, managed rules, and rate limiting. Even in cases like the following, blocked requests and bandwidth are not charged.
- When scrapers make bulk requests to product pages
- When a credential-stuffing botnet attacks login paths
- When bots abuse expensive endpoints
This exemption is automatically applied to all projects using Vercel Firewall, and no separate configuration is needed.
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