true This profile is used in the URL Filter section to block Google GTalk client. To apply this rule to specific users, mention comma seperated list of profiles in PROFILES below. false User-Agent: Google Talk 1,31 0,23 0,59 absolutetime Block-GTalk true allow true This rule blocks access to Google GTalk Client. The profiles 'Block-GTalk' is created under the 'Profiles' section. Block-GTalk