ow supports/detects: Web/Ftp/Mail/streaming server log analyzis (and load balanced log files) Reverse DNS lookup (IPv4 and IPv6) and GeoIP lookup Number of visits, number of unique visitors Visits duration and list of last visits Authenticated users Days of week and rush hours Hosts list and unresolved IP addresses list Most viewed, entry and exit pages Files type and Web compression (mod_gzip, mod_deflate stats) Screen size Number of times site is 'added to favorites bookmarks' Ratio of Browsers with support of: Java, Flash, RealG2 reader, Quicktime reader, WMA reader, PDF reader Configurable personalized reports 269 domains/countries 620 robots 5 worm's families 49 operating systems 172 browsers (514 with phone browsers database) 231 search engines (and keyphrases/keywords used from them) All HTTP errors with last referrer Report by day/month/year Dynamic or static HTML or XHTML reports, static PDF reports Indexed text or XML monthly database And a lot of other advanced features and options... New versions and FAQ at awstats.sourceforge.net 554 5.3.0 unknown mailer error 2