[1] GridHTTP - GridSiteWiki <http://www.gridsite.org/wiki/GridHTTP>
[2] Secured Bulk File Transfer over HTTP(S) ( 版) <http://www.nesc.ac.uk/talks/ahm2006/609.pdf>
[3] mod_gridsite(8) - Linux man page ( 版) <http://linux.die.net/man/8/mod_gridsite>
[4] 310048 – can't set Upgrade header on an XMLHttpRequest ( 版) <https://bugzilla.mozilla.org/show_bug.cgi?id=310048>