Sec,fetch,site:,cross,site Here

If you are looking for the exact syntax used in a network request, it usually looks like this:

— Indicates the "how" (using the Fetch API/CORS). sec,fetch,site:,cross,site

This looks like you're piecing together the technical components of , specifically those used for Cross-Origin Resource Sharing (CORS) and Cross-Site Request Forgery (CSRF) protection. The Concept: Fetch Metadata ( sec-fetch-* ) If you are looking for the exact syntax

: This is the most critical header in your list. It tells the server the relationship between the request initiator's origin and the target resource's origin. It tells the server the relationship between the

: This indicates the request originated from a completely different website (e.g., attacker.com trying to fetch data from yourbank.com ). Value: same-origin : The request started on your own site.

When you send a request (like submitting a login form or updating account settings), the browser automatically attaches these headers. A secure server will check them to prevent attacks:

: The server sees cross-site on a sensitive POST action and rejects it because it knows this request didn't originate from its own trusted frontend. Summary of the Headers