What Are Domain and Path Attributes for Cookies

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What Are Domain and Path Attributes for Cookies? - PHP Script Tips - Understanding and Managing Cookies

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Cookies can also be defined with two other attributes:

Domain - A cookie attribute that defines the domain name of Web servers where this cookie is valid. Web browsers holding this cookie should not sent it back to any Web server outside the specified domain. The default domain is the domain from which the cookie originally came from.
Path - A cookie attribute that defines the path name of Web server document path where this cookie is valid. Web browsers holding this cookie should not sent it back to the server when requesting any documents that are outside the specified path. The default path is the root path.

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