http://www.rfc-editor.org/rfc/rfc7762.txt
RFC 7762: Initial Assignment for the Content Security Policy Directives Registry, M. West2016-01-01T23:00:00-00:00This document establishes an Internet Assigned Number Authority (IANA) registry for Content Security Policy directives and populates that registry with the directives defined in the Content Security Policy Level 2 specification.