In any given week, Vercel Firewall blocks over one billion malicious connections—proactively safeguarding your app before the first request arrives. Defining access rules ensures your infrastructure scales only for legitimate traffic, keeping resources secure and associated costs in check. With Vercel, application protection is integrated into every step of the request lifecycle. It starts with the platform-wide Vercel Firewall—active by default for all users—and extends to Deployment Protection and the Web Application Firewall (WAF) which give you granular security control and defense-in-depth. Catch up: Read Part I Life of a Vercel request: What happens when a user presses enter Read now Link to heading The first line of defense: Vercel's platform-wide firewall When requests reach Vercel’s globally distributed Points of Presence (PoP), the Vercel Firewall immediately inspects those requests.…