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Windows Thread, Does anyone know how to block chat on google in Technical; Hi all We are having a great problem with google chat at our school... We are using websense as our ...
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    timbo343's Avatar
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    Does anyone know how to block chat on google

    Hi all

    We are having a great problem with google chat at our school... We are using websense as our filtering service and i was wondering if anyone knows how to block only the chat feature?

    Thanks

    Tim

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    Geoff's Avatar
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    Re: Does anyone know how to block chat on google

    Google Chat uses standard HTTP requests (its based on the Jabber protocol). Get better filtering software.

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    timbo343's Avatar
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    Re: Does anyone know how to block chat on google

    the jabber protocol?? thats a new one... do you know the http for it?? We have tried to block enabled.mail.google.com in our DNS but that has failed

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    Re: Does anyone know how to block chat on google

    Info on the Jabber protocol is here:

    http://en.wikipedia.org/wiki/Jabber

    If you can only block by domain name then you have to block google.com and .co.uk. and any other regional variations...

    I doubt that's an acceptable solution.

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    Re: Does anyone know how to block chat on google

    hehe, can you imagine the uproar if you blocked google!

    dogpile's better anyhoo but I rarely remember to use it.

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    Geoff's Avatar
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    Re: Does anyone know how to block chat on google

    Best solution is to have your filter 'understand' the jabber protocol and block it that way. There's been hacks/addons for opensource proxys/filters for doing this for some time.

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    Re: Does anyone know how to block chat on google

    How about blocking certain MIME types with ISA or Squid

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    Geoff's Avatar
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    Re: Does anyone know how to block chat on google

    blocking application/xml really isn't a good idea. You'll break many many websites.

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    Re: Does anyone know how to block chat on google

    I thought google chat was blocked under the catagory of Instant messengers. But with websense you can block by protocol and many other things, its a huuuuge program.

    Edit - Just looked it up on the websense lookup tool, and its been listed under the instant messenger catagory. The address I looked up was www.google.com/talk

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    Re: Does anyone know how to block chat on google

    talk.google.com also works, as does www.google.co.uk/talk and talk.google.co.uk. You can start being clever and use obscure google domains like www.google.co.nz/talk too.

    Good luck with that.

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    Re: Does anyone know how to block chat on google

    Websense blocks all of those under the same header of Instant Messenger, I do find, although a pig to setup, Websense is a good tool once its working, and its very very inteligent, and for the cost of it, it really does work well.

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    Re: Does anyone know how to block chat on google

    Well just updating "/etc/danguardian/phraselists/chat/weighted" to the lastest version of the file works for me on Squid/Dansguardian.

    Not bad for the cost of it.

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    Re: Does anyone know how to block chat on google

    I know, its free VS websenses £1000's, but I have said I am making a Censornet server next week, so I do listen and take note, honest!

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