files/en-us/web/http/reference/headers/cookie/index.md
The HTTP Cookie {{Glossary("request header")}} contains stored HTTP cookies associated with the server (i.e., previously sent by the server with the {{HTTPHeader("Set-Cookie")}} header or set in JavaScript using {{domxref("Document.cookie")}}).
The Cookie header is optional and may be omitted if, for example, the browser's privacy settings block cookies.
Cookie: <cookie-list>
Cookie: name=value
Cookie: name=value; name2=value2; name3=value3
<cookie-list>
<cookie-name>=<cookie-value>.
Pairs in the list are separated by a semicolon and a space.Cookie: PHPSESSID=298zf09hf012fh2; csrftoken=u32t4o3tb3gg43; _gat=1
{{Specifications}}
{{Compat}}