Removing the SharePoint Sign In Link

Once I was asked to remove the Sign In link and deploy the site over the internet. Removing that link was easy, I simply opened the master page and removed the “wssuc:Welcome” control. I ran into a speed bump, how will the content manager be able to sign in and populate content and then sign out?

After digging for a while in the _layouts folder, I found out that the Authenticate.aspx will pop out the IIS windows authentication dialog and the SignOut.aspx will simply sign the user out.

For example,

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Will pop out the sign in dialog

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and to sign out use

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