If I understand correctly, nginx doesn't do multiple conditions in an 'if' or nested if's. Based on some of the ideas being tossed around in this thread (http://www.webmasterworld.com/google/4537063-11-30.htm) I'd like to rewrite serve up a one pixel gif to whenever both of the two following conditions are met: 1) The http referer is http://www.google.*/blank.html(*) and then 2) the requested asset is a jpg What's the best performance way to handle that? * I suck at regex, so I just put the asterix there to signify catching any of the google country domains. Thanks for any suggestions.