Blocking Chat in Gmail.

Forum|Forum|16 years ago
February 25, 2010
5 replies
5031 views

We used to block chat in Gmail. But recently, maybe since the last 2 weeks, we noticed that users who should not have access to this service were merrily chatting away, obviously they won' t tell us they are getting this service! When we checked the settings, everything was OK, nothing has changed, we checked with our Firewall support and they told that Google chat is through https and our present firmware cannot block it. We have blocked via web filter chatenabled.mail.google.com, talk.google.com, hostedtalkgadget.google.com etc. We have asked the firmware to be upgraded soon. Just wan to know if anyone has had the same experience? Thanks a n t h

billp

New Member

Per Google, you need to block DNS requests to chatenabled.mail.google.com. Blocking the website in the URL filter won' t work. Try the DNS trick listed below. . . Per Google. . . Disabling Gmail' s chat features for your entire network We understand that it' s sometimes necessary to disable instant messaging services on a network. If you need to prevent Gmail users on your network from chatting, we suggest blocking DNS lookups to chatenabled.mail.google.com, by returning 127.0.0.1.

AnanthAuthor

New Member

Thanks for the reply. I suppose this has to be done at Network level! But most of the users are mobile users and hence not tied down to any Domain. Is there any setting via Firewall to disable Gmail chatting? regards a n t h

billp

New Member

You could create a firewall policy that blocks all traffic (all ports/protocols) to chatenabled.mail.google.com. Just create a custom address and then use that to block the traffic in the policy section of the firewall. I would think that would work.

AnanthAuthor

New Member

Sorry for the late reply! We did like that a couple of days ago, we applied that policy to all the users whom we wanted to block chat, and put this policy just above their policies. But now.. Firewall is going to conserve mode frequently.. happened once for almost 45min yesterday and then today 2 times for alomost the same length of time.... we are still drilling down on what could be the issue and this is one candidate!! Ours is a 100A.. and already the memory usage was around 50%. Any suggestions... we already trimmed down logging etc... Anth.

laf

New Member

Don t really understand where you are. What I can tell you: v4.0 MR1, I enable from Application Control: block gmail and it works like a charm.

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