#extension content-type .jpg image/jpeg .jpeg image/jpeg .gif image/gif .png image/png .bmp image/bmp .html text/html .htm text/html .exif text/html .css text/css .dhtml text/html .rss text/xml .xml text/xml .xsl text/xml .txt text/plain .log text/plain .jar application/java-archive .zip application/zip .js text/javascript .pdf application/pdf .jnlp application/x-java-jnlp-file .swf application/x-shockwave-flash .mov video/quicktime #one final catch all "*" will do anything not in the list as whatever you set it to. * application/binary