> ## Documentation Index
> Fetch the complete documentation index at: https://docs.formbox.app/llms.txt
> Use this file to discover all available pages before exploring further.

# Domain restrictions

> Setup your forms to only accept form submissions from a specific domain and all it's subdomains.

<Tip>Domain restrictions are only available on the **Professional** and **Business** plans.</Tip>

## Configuring your forms domain restrictions

Go to your form settings and scroll down to the **Security** section. Here you can add the domains and subdomains you want to restrict your form to.

<Frame>
  <img src="https://mintcdn.com/formbox/05sa9iZ1Da5XhrTY/images/domain-restrictions.png?fit=max&auto=format&n=05sa9iZ1Da5XhrTY&q=85&s=4b1ac09c495430f34f87d68d32cd81bf" style={{ borderRadius: "0.5rem" }} width="2612" height="1912" data-path="images/domain-restrictions.png" />
</Frame>

<Note>
  In order to use Formbox's domain restrictions you must ensure your site's `Referrer-Policy` sends your site's origin information to Formbox.

  By default, sites usually have the `Referrer-Policy` set to `strict-origin-when-cross-origin` which is compatible with Formbox. Learn more about referrer policy <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy" target="_blank" rel="noopener noreferrer">here</a>.
</Note>