A request headers is an HTTP header that the client sends to the server.
HTTP request headers list | Browser Headers Viewer
| Type | Non-standard |
| Subype | Cloudflare |
| Related headers | Cf-Access-Authenticated-User-Email, Cf-Access-Client-Id, Cf-Access-Client-Secret, Cf-Cache-Status, Cf-Connecting-Ip, Cf-Device-Type, Cf-Ew-Via, Cf-Hdr-Cache-Out, Cf-Headers-Bypass, Cf-Ipcountry-Dev, Cf-Ipcountry-Test, CF-RAY, CF-Visitor, CF-Worker, True-Client-IP |
| Last seen | 2025-09-01 19:38:09 |
| Link | https://support.cloudflare.com/hc/en-us/articles/200170986-How-does-Cloudflare-handle-HTTP-Request-headers- |
| Note | Contains a two character country code of the originating visitor’s country. |
| Syntax | CF-IPCountry: <country-code> |
Example header value:GB |
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