[CF1] RBI http support (#22087)

* [CF1] RBI http support

* wording

* wording

* Update src/content/docs/cloudflare-one/policies/browser-isolation/known-limitations.mdx

* Update src/content/docs/cloudflare-one/policies/browser-isolation/known-limitations.mdx

Co-authored-by: Max Phillips <[email protected]>

---------

Co-authored-by: Chase Disher <[email protected]>
Co-authored-by: Max Phillips <[email protected]>

Author: 3 people

src/content/docs/cloudflare-one/policies/browser-isolation/known-limitations.mdx

@@ -39,6 +39,10 @@ To ensure RBI loads correctly, go to `brave://settings/privacy` in your Brave br
 - **Default Public and Private Interfaces**
 - **Default Public Interface Only**
 
+## Protocol support
+
+Browser Isolation does not support HTTP.
+
 ## Virtual machines
 
 Browser Isolation is not supported in virtualized environments (VMs).