I\'m not sure where I\'m suppose to put this in my Asp.net MVC website:
HttpContext.Current.Response.AppendHeader(\"P3P\", \"CP=\\\\\\\"IDC DSP COR ADM DEVi
You can put it in the web.config:
This way you do not need to put it in the code.
See this SO answer for details on what the value means.
value