How to prevent a user from accessing the site when he/she Copy and paste the url address to get in to the site?
How to prevent a user from accessing the site when he/she Copy and paste the url address to get in to the site.They should only login to get to the site.If they have already logged in and then copy the url and paste it in new window i stop them getting into the site.

Thanks in advance!!!!!!!!!!
How to prevent a user from accessing the site when he/she Copy and paste the url address to get in to the site?
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How to prevent a user from accessing the site when he/she Copy and paste the url address to get in to the site.They should only login to get to the site.If they have already logged in and then copy the url and paste it in new window i stop them getting into the site.

Thanks in advance!!!!!!!!!!