[1] draft-megacz-x-requestorigin-00 - X-RequestOrigin (2015-03-09 10:50:57 +09:00 版) <http://tools.ietf.org/html/draft-megacz-x-requestorigin-00>

[2] 149943 – Use "DNS pinning" to prevent Princeton-like exploits (2015-03-21 01:18:08 +09:00 版) <https://bugzilla.mozilla.org/show_bug.cgi?id=149943>

[3] X-RequestOrigin ( (2003-09-20 13:33:26 +09:00)) <http://www.xwt.org/x-requestorigin.txt>

[4] ( (2005-03-02 17:46:29 +09:00)) <http://www.xwt.org/x-requestorigin.html>