For anyone who may be facing similar issues, I solved my problem by adding '[b]add_header Pragma "no-cache"'[/b] to my configuration. http://agiletesting.blogspot.com/2010/06/commong-nginx-configuration-options.html Thanks, Mogaroy Posted at Nginx Forum: http://forum.nginx.org/read.php?2,125909,127855#msg-127855