hi list, i have one squid server which is running on FC6 , im using SQUID 2.6.STABLE16. that is running fine, not any issue with that, Now i want to make SQUID some effective. I want my squid proxy should detect 1) which file users are downloading or uploading 2) using Chat [yahoo, msn, google], which file users are sending or receiving , which chat room they are entering , time duration of login in messenger . All these i want to track using Squid, has anyone implement those stuff . Any help will be really appreciate. or any Link Thanks & Regards, TArak Save all your chat conversations. Find them online at http://in.messenger.yahoo.com/webmessengerpromo.php