adding heuristic doc

mozilla · Jan 9, 2014 · e2b1fec · e2b1fec
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diff --git a/doc/Heuristic for determining first party-ness.md b/doc/Heuristic for determining first party-ness.md
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+Heuristic for determining first party-ness
+
+1. Does the request have a referrer?
+2. Is the request made in a tab (window)?
+3. Is this request part of resolving the page (not Ajax)?
+4. Are we able to resolve a host domain for referrer and tab URIs?
+5. Are they the same?
+6. Are they *not* 'about:blank'?
+7. Ignore requests that come from within the add-on
+8. Ignore requests that don't have a valid target or source
+9. Ignore requests coming from localhost
+10. Ignore requests that are neither http or https protocols (we want to extend this to include websockets and WebRTC connections).