Phase 13 · Security
TopicsHelmet.js
Part of the Backend Developer Roadmap.
Summary
An Express middleware that sets a collection of security-related HTTP headers with sensible defaults in one line — a quick, high-value win for any Express API.
How to Learn This
- 1Add Helmet to an Express app and inspect the response headers before/after.
- 2Learn what each header Helmet sets actually protects against.
- 3Customize Helmet's Content-Security-Policy for your app's specific needs.
More topics in Security
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