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Update Content-Security-Policy header usage explanation #33833

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merged 4 commits into from Jan 31, 2022
Merged

Update Content-Security-Policy header usage explanation #33833

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c889b2c
Update Content-Security-Policy header usage explanation
amandeepmittal Jan 31, 2022
fb23c55
Update docs/advanced-features/security-headers.md
amandeepmittal Jan 31, 2022
71e50f2
Update Content-Security-Policy header usage explanation; address newl…
amandeepmittal Jan 31, 2022
335320b
Merge branch 'canary' into update-content-security-policy-usage
kodiakhq[bot] Jan 31, 2022
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21 changes: 20 additions & 1 deletion docs/advanced-features/security-headers.md
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Expand Up @@ -113,10 +113,29 @@ This header helps prevent cross-site scripting (XSS), clickjacking and other cod

You can read about the many different CSP options [here](https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP).

You can add Content Security Policy directives using a template string.

```jsx
// Before defining your Security Headers
// add Content Security Policy directives using a template string.

const ContentSecurityPolicy = `
default-src 'self';
script-src 'self';
child-src example.com;
style-src 'self' example.com;
font-src 'self';
`
```

When a directive uses a keyword such as `self`, wrap it in single quotes `''`.

In the header's value, replace the new line with an empty string.

```jsx
{
key: 'Content-Security-Policy',
value: // Your CSP Policy
value: ContentSecurityPolicy.replace(/\s{2,}/g, ' ').trim()
}
```

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