Exclude a page from being authenticated

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SharePoint2013

Hi fellow programmers,

I am extremely new to SharePoint and have just figured out how to implement custom roles and membership provider along with forms authentication for my SharePoint site.

I don't want the custom log in page to be authenticated (meaning i don't want SharePoint to do the whole "are you logged in and can you access this page" thing, so how do i tell it to not authenticate this page?

I've added the following code to my web.config in the root folder of my site, which is suppose to help, but doesn't:

<location path="_layouts/15/SharePoint.Authentication/LogIn.aspx">
    <system.web>
      <authorization>
        <allow users="*" />
      </authorization>
    </system.web>
  </location>

Google keeps pointing me to this solution, so if I'm missing something or adding it to the wrong web.config, please give me a shout.

Thanks for the time.