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Clients blocked by persistent actions now receive a 403 Forbidden response
Vercel WAF now returns a 403 Forbidden response when a persistent action blocks a client, replacing silent failures with an explicit denial signal.
Starting today, when the blocks a client with a persistent action, it will respond with a 403 Forbidden status instead of failing silently. This change now makes it clear that the connection is being intentionally denied. Vercel Web Application Firewall (WAF) Persistent actions in the WAF help reduce edge request load and stop malicious traffic earlier, cutting down unnecessary processing for your applications.
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