Securing Next.js Applications with Robust CSP Headers

Keeping your web applications safe is crucial, especially when using frameworks like Next.js that build dynamic sites. One important way to boost security is by setting up Content Security Policy (CSP) headers. In this blog post, I’ll walk you through how to add CSP headers in Next.js, focusing on version 14.2, but this guide should be useful for anyone using Next.js 13 or newer.

Why CSP is Important

CSP headers protect your app from certain types of attacks, like cross-site …

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