freeCodeCamp/guide/english/certifications/information-security-and-quality-assurance/information-security-with-helmetjs/disable-dns-prefetching-with-helmet.dnsprefetchcontrol/index.md

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title: Disable DNS Prefetching with helmet.dnsPrefetchControl()
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## Disable DNS Prefetching with helmet.dnsPrefetchControl()

### Hint

- You want your `app` to `use` helmet's `dnsPrefetchControl()` method.

### Solution

- In the `myApp.js` file add `app.use(helmet.dnsPrefetchControl());` under the eighth instructions.

**Note:** Be sure to submit the link to the **live demo** of your project.