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Windows Thread, Stopping MSN Messenger form being used by the kids. in Technical; Is there a way we can stop kids from using MSN Messenger. I will be posting a few basic questions ...
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    Kyle's Avatar
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    Stopping MSN Messenger form being used by the kids.

    Is there a way we can stop kids from using MSN Messenger. I will be posting a few basic questions tonight as i continue in building my test network( systems manager is too busy to help.....!) I want ostop the kids from runningn MSN messenger. I have gone to the GPO and change the settings in both Computer & User Configurations>Admin Templates>windows components>windows messenger> and enabled both settings, but the kids seem to get it to run.

    I have checked several yr11 kids who all seem to have the MSN program files in a folder on their home drives. ( I think they have been passing them round)

    They then launch the .exe from there. I deleted all files using NFS.

    We run ISA 2000 as well, is there another way to stop this from being used?

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    Re: Stopping MSN Messenger form being used by the kids.

    Use ISA to block messenger - there are built in rules for the MSN Messenger protocols (as well as AIM and others) but you may need to check that the ports haven't changed - this is detailed somewhere on the MS website IIRC.

    Also block the messenger.msn.com website and the sites that allow you to run messenger through a web GUI.

    A warning that Internet access will be removed is also an option - Becta like you to use school policy to try to prevent misuse.

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    Re: Stopping MSN Messenger form being used by the kids.

    Block the exe via GPO.
    User config - admin templates - system - don't run specified windows applications.

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    Re: Stopping MSN Messenger form being used by the kids.


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    Re: Stopping MSN Messenger form being used by the kids.

    Seriously.... They can even get that far?

    When I was learning group policy and stuff, I was admin'ing a windows 98 network with so many holes. I have gone over the top I think with my group policy. However, in its locked down'ness I think I stop a lot of problems added to the network

    I'll post my exported GPO

    fooby

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    Re: Stopping MSN Messenger form being used by the kids.

    The policy you mentioned only works for Windows Messenger and not MSN Messenger!

    MSN Messenger's messaging port is TCP 1863. Blocking this port along with ports 6891 to 6900 will stop file transfers and port 6901 block voice communications.

    I'd also block the following websites:

    messenger.msn.co.uk
    messenger.msn.com
    webmessenger.msn.com
    webmessenger.msn.co.uk
    explorer.msn.com
    explorer.msn.co.uk
    www.imagine-msn.com
    www.mess.be
    messenger.msn.fr
    messenger.msn.it
    messenger.msn.de
    messenger.msn.es
    messenger.msn.nl
    messenger.msn.dk
    messenger.msn.ch
    messenger.msn.ca
    messenger.ninemsn.com.au
    www.msnvideodownloads.com

    There are still loads of sources they can download MSN, but these are some of the main sites.

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    Re: Stopping MSN Messenger form being used by the kids.

    So what about all the web based gateways?
    ISA does a great job blocking all the protocols but you then need url detection and blocking to spot when the little buggers find a web gateway.

    Sorry, but you can throw thousands at this one and still never have a watertight single solution.

    Catch em and ban em !! Thats the way to do it!

    Not my favourite software but nevertheless Forensic's product cleverly alerts the admin when slang is being typed on screen be it in Word, Web, Email or messengers and bang! Gotcha.....

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    Kyle's Avatar
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    Re: Stopping MSN Messenger form being used by the kids.

    Forensic's product cleverly alerts the admin when slang is being typed on screen be it in Word, Web, Email or messengers and bang! Gotcha..

    God helps us......................... 8O

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    Re: Stopping MSN Messenger form being used by the kids.

    Quote Originally Posted by Kyle
    Forensic's product cleverly alerts the admin when slang is being typed on screen be it in Word, Web, Email or messengers and bang! Gotcha..

    God helps us......................... 8O
    I realise now, that could amount to nearly everything a child types on the keyboard and probably 90% of what they use the computer for.

    One could be drowned in log files!

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    Re: Stopping MSN Messenger form being used by the kids.

    automagically blocked here when you add 'Intsant Messanging' Blacklists to Dansguardians filter list.

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    Re: Stopping MSN Messenger form being used by the kids.

    Doesn't ISA only block protocols when in Firewall mode? I really need to upgrade our ISA 2000 Server this year to 2004 because at the moment CSE have installed it only as a caching server- it doesn't do any kind of advanced level blocking (with the exception of web pages).

    Even so, I find that when I block login.passport.net and its IP address the little things get fair annoyed :-) Problem is, so do the staff and they moan like hell till you put it back on- and the moan again when the students figure out that it's back on!!

    Also I configured a GPO to block the msnmsgr.exe file on computers:

    Computer Configuration > Admin Templates > System > Don't run specified applications > add in any .exe files you want in there.

    It worked anyway.

    Could also use a registry key:

    HKLM\Software\Policies\microsoft

    Create your key called "Messenger" and another one called "Messenger Client"; create a DWORD under client call it PreventRun and give a value of 1. Export this key to a file and import it to your other machines. This worked for me too.

    Paul

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    Re: Stopping MSN Messenger form being used by the kids.

    One thing wrong with blocking it in the GPO is like the problem we have here with games, they just rename the .exe file to get it to work...

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    Re: Stopping MSN Messenger form being used by the kids.

    Exactly what I found, I ended up just putting a simple rule on the firewall and Symantec Web Security does a good job of blocking the web based sites.

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    Re: Stopping MSN Messenger form being used by the kids.

    Edit your startup script to delete the files from the pc. If it isnt there it can't be run.

    When I built the image (ghost image) for our network, half the windows software dissappeared. Things like the games and other useless things are all removed.

    Also I have used a combination of the hidden attribute, and NTFS permissions to restrict file / folder access. Since by default a user cannot see hidden files, if they can find a workaround to see the contents of the C drive, they can't even see the files there anyway. Since they also cannot type an address in the addres bar, they can't browse at all.

    fooby

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    Re: Stopping MSN Messenger form being used by the kids.

    I bought a little package that deals with this in a different way. TerminatorX http://www.plevna.f9.co.uk/

    It kills processess with specific windows titles, such fun watching the applications close infront of the kids eyes.

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