hi,Squid Users I'm using squid's accelerator mode. Sometimes the backend change the pages but the squids didn't. I have to use the PURGE method of the squidclient to clean these pages. But I found it doesn't work in some unknown situation. I PURGE my squids, and clean my ie's cache,then review the page. It still the old version. At last, I found if the GET method pass the 'User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Maxthon; SV1)', then I'll get the old page. Otherwise, I'll get the new one. How can I PURGE all that cached objects without considering the User-Agent parameter ? Forgetful Tan forgetful_tan@xxxxxxx