You might want to read the article on Skype in the blog: https://community.mcafee.com/community/business/email_web/webgateway/blog/2010/0 9/06/skype-and-facebook-two-to-control
For GTalk, are you using the web client or a native XMPP client?
Hi, Google from the web. i able to block by blocking *chatenable.mail.google.com*. but for the client on the windows. i try alot of solution but no luck. do you has any solution with that.