SafeLine WAF Set as Reverse Proxy in Front of Laravel to Filter HTTP Attacks

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A DEV Community guide explains how to place a web application firewall in front of a Laravel app so hostile HTTP traffic is filtered before it reaches PHP. The article describes SafeLine, a self-hosted WAF built on nginx that works as a reverse proxy, inspecting traffic and forwarding clean requests to the Laravel origin. Setup involves adding the app in SafeLine's console with its domain, port, and upstream address, then pointing DNS to the WAF server. The guide lists documented attack categories the WAF targets, such as SQL injection, XSS, and SSRF, and notes that it complements rather than replaces Laravel's own input validation. It also covers features like rate limiting, bot defenses, and access control lists.

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