What is the Cookie Compact Policy?
IDC DSP COR CURa ADMa OUR IND PHY ONL COM STA
<meta http-equiv="P3P" content='CP="IDC DSP COR CURa ADMa OUR IND PHY ONL COM STA"'>
How to Find Cookie Compact Policy Related Settings in Internet Explorer?
If you go to Internet Explorer > Tools > Internet Options > Privacy, then you will find an option on how Internet Explorer will handle cookie as shown below:
If from any site cookie is blocked for any reason (most probably due to absence of P3P header), you will find the following icon in the IE status bar.
Double clicking on the red icon, you will get a full report of the blocked cookie. Clicking on the red eye, you will find a report as shown below:
So make best and proper use of a cookie in your site to make it most compatible with browsers.