HTTP headers are used to pass additional information with HTTP response or HTTP requests. A cookie is an HTTP request header i.e. used in the requests sent by the user to the server. It contains the cookies previously sent by the server using set-cookies. It is an optional header.

Syntax:

Cookie: <cookie-list>

In case of single cookie syntax is as follow:

Cookie: name=value

In case of multiple cookies syntax is as follow:

Cookie: name=value; name=value; name=value

Directives: This header accept a single directive mentioned above and described below:

• <cookie-list> It is the list of name=value pair separated by ; and space i.e ‘;’.

Example 1:

Cookie: user=Bob

Example 2:

Cookie: user=Bob; age=28; csrftoken=u12t4o8tb9ee73

To check this Cookie in action go to Inspect Element -> Network check the request header for Cookie like below, Cookie is highlighted you can see.

Supported Browsers: The browsers are supported by HTTP Cookie header are listed below:

• Google Chrome
• Internet Explorer
• Firefox
• Apple Safari
• Opera