HTTP GET requests a page from coolcatalog site:
GET http://coolcatalog.com/index.html HTTP/1.1
Host: coolcatalog.com
Server returns:
HTTP/1.1 200 OK
Opt: "http://www.w3.org/2000/P3Pv1" ;ns=11
11-policy: http://coolcatalog.com/P3PPolicy1.xml
- - -
States that policy can be found at the coolcatalog url.
ns=11 declares that it is an extension header that is part of the HTTP Extension Framework
Needs a P3P aware server
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