Blocking MSN messenger?

theNude

theNude

theNude

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10 May 2006
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Hey i run a small business from Sydney in Australia and one of my employee's keeps chatting on msn.

Not being too network savvy i am wondering if i can block her from the router? i know how to add firewall permission and block ip's etc.

my network is basically a router which then goes into a 24 port CISCO POE switch which i run my VOIP phone system and 8 computers from.

i wish to do it so i doesnt upset the internet connection or phone system.

your help is appreciated :)
 
MSN uses port 1863 so block it in an ACL form the router or firewall, should solve the problem. Either that or tell the employee to uninstall it and if they continue to use it during work time they will get a disciplinary, which is the better option IMO

- Pea0n
 
Hey thanks for the reply, they have been told but i just want to ensure no shennanigans go on when i am not looking or if they re-install it doesnt work or if they use another client

:)
 
In addition to the above, be aware that even if you block the actual program, there are still web based alternatives that she will be able to use to get around your restrictions. I would have said that dealing with the employee is preferable to trying to implement a universal technical solution in this instance.
 
If you want to stop them installing stuff you can also try limiting their PC access. I doubt they need to be local/domain admins or power users for example

- Pea0n
 
Late now but there is a policy to block it from running:

Keys:

HKLM\Software\Policies\Microsoft\Messenger
HKLM\Software\Policies\Microsoft\Messenger Client

New DWORD in both keys:

PreventRun = 1
 
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