i am using linux and squid in cache mode at a cable internet provider every thing is working fine i have tried this to stop downloading at certin time but it is not working can anyone help me acl magic_words1 url_regex -i 10.0 aacl magic_words2 url_regex -i ftp .exe .mp3 .vqf .tar.gz .gz .rpm .zip .rar .avi .mpeg .mpe .mpg .qt .ram .rm .iso .raw .wav .mov acl day time 18:30-23:59 delay_pools 2 delay_class 1 2 delay_parameters 1 -1/-1 -1/-1 delay_access 1 allow magic_words1 delay_class 2 2 delay_parameters 2 5000/15000 5000/12000 delay_access 2 allow day delay_access 2 deny !day delay_access 2 allow magic_words2 ##################################### acl dtime time S-A 00:00-23:59 acl durls urlpath_regex -i \.exe$ \.mp3$ \.mov$ \.mpg$ \.mp?$ \.avi$ \.rm$ acl dfilters url_regex -i root.exe kmd.exe kazaa.exe imesh.exe msblast.exe http_access deny durls http_access deny dfilters any ideas to stop downloading of files at certin times please suggest me Regards Zeroone