Video: Content Security Policy with Next.js: Leveling Up your Website's Security

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This video talk explains how to enhance your Next.js application's security using a Content Security Policy (CSP). A CSP helps protect against threats like cross-site scripting (XSS) and data injection attacks by restricting browser functionality. The speaker demonstrates how to add a CSP to a Next.js app using meta tags, HTTP headers, and middleware. They also discuss using a 'nonce' to allow specific inline scripts without compromising security. The video highlights the importance of CSP reports for identifying and fixing security issues, as well as tailoring CSPs to different environments. Tools like Google's CSP Evaluator and Mozilla Observatory are recommended for validating your CSP. The talk also covers how to allow specific resources, such as images, without breaking your app. Search queries: nextjs csp, nextjs content security policy, next js csp, csp nextjs, content security policy nextjs, CSP best practices, secure Next.js headers, middleware security Next.js, inline scripts security, CSP validation tools, CSP report analysis, Next.js security setup, HTTP headers security, CSP nonce usage.

This talk has been presented at React Summit US 2023, check out the latest edition of this React Conference.

Lucas Estevão
Lucas Estevão
9 min
15 Nov, 2023

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