Cookie

Sends previously stored cookies to the server. Name=value pairs separated by semicolons.

Request

Syntax

Cookie: <name>=<value>[; <name>=<value>]*

Example values

ValueExplanation
session=abc123; theme=darkMultiple cookies
PHPSESSID=xyz789Session ID

cURL usage

curl -b "session=abc123; theme=dark" https://example.com/dashboard

Common mistakes

Sending sensitive data in cookies without HttpOnly; SameSite issues with cross-site.

Related headers

Set-CookieAuthorization

Tools

HTTP Header Viewer →