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How can i block some program

How can I block some program at users pc that use Win XP like mirc, ym, and others.
1 Solution
You could block the ports that the programs operate on with a firewall.  That was stop them from accessing the internet at all.  Is that what your interested in doing?
zaha75Author Commented:
How about the program that not using internet like games,?
Windows XP has a program called secpol.msc that you can access from the run menu on the start menu. Just type secpol.msc into run and press enter. Once the program starts click on Software restriction policies From here you can click on "Designated File Types" to define the three character extension that the software uses. Most games will have a .exe extension. Under "enforcement", you can define a rule that aplies all your restrictions to a particular goup of users. Under "Security Levels" you can also set the default to "Dissallowed" by right clicking on this title. All of these fields and settings are acompanied by helpful text which is normally located to the right of the setting. You can also right click and select help from the menu for more help.

I hope that this helps some.
Something that seems to missed by all here, if your users were able to install these applications in the first place means they must be LOCAL ADMINS...... THIS IS NOT GOOD!!

How are this computers configured? Are they a part of a domain (centralized server based)? workgroup (per PC based)?
- Centralized Server; GPO, just type "gpedit.msc" in the run box. here you can modify many setting within windows domain wide. Be very careful in here, I advise going to M$ website and reading up on GPO before even attempting to make any changes.

- WorkGroups; you can use secpol.msc as recommended above but this can be very techy also.  An easy way would be to find the application in question for ex...Windows Messenger. For this I would go to C:\Program Files\Messenger\msmsgs.exe right click on msmsgs.exe then go to properties -> security tab. Click the Add.. button and enter the usersname and then put a check in the Full Control DENY box! That should do the trick! ;-)

Let me know how it goes!


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