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MAC Address


tobeyt23

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The only information you receive with every request to a web site is the IP address (from the data packet) and the information that comes from the browser (cookies, any information in the URL, such as page names, paths, and parameters on the end of the url, form data...)

 

Most of the people on the planet connect to the Internet with a dynamically assigned IP address. There is no guarantee that they will have the same IP address for any two visits, everyone behind a single router will have the same IP address, and a completely different person can receive the same IP address that someone else just used.

 

That leaves information that the browser supplies. Typically cookies are used. However, if you are not requiring a cookie to be present, someone can simply delete the cookie if they want to appear to be a different visitor. So, you really need to require a cookie and that cookie is associated with a person who has supplied valid login credentials against an account they have created on your web site.

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