How to Add WAF-Level Rate Limiting to Any Web App Without Touching Code

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Rate limiting protects web endpoints like login pages and search forms from abuse, but implementing it at the application level requires code changes, middleware, and a storage backend for every endpoint. A Web Application Firewall (WAF) approach lets developers set a single rule that applies across all routes instantly, with no redeployment needed. Using SafeLine's free, self-hosted WAF, users can configure rules such as blocking an IP after 5 login attempts per minute or challenging search requests beyond 30 per minute. The platform logs every triggered rule in an Attack Log, allowing administrators to monitor false positives and fine-tune limits during the first week. Practical testing on a production site showed that strict limits work well for authentication endpoints, while read endpoints and APIs benefit from more generous thresholds.

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