I really want to know how can I prevent a program to connect to Internet with Windows 7 firewall?
I have smart security nod32 business edition installed on my computer.
should i do this job with nod or there is a way in Windows Firewall?
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Basically you do this to prevent a program from connecting to the Internet:
From start menu, search for "Firewall" and select
Windows Firewall with Advanced Security
Choose Outbound Rules from the tree at the left.
New Rule... from the menu at the right.
New Outbound Rule Wizard opens. This is really easy now:
Program as rule type.
b. Select the program's EXE file.
Block the connection.
Choose the profile this rule applies to. If in doubt, select all three.
Add the descriptive name (you may want to delete this rule later).
If you're using nod32's firewall, you should block it through that, and disable windows firewall. It's usually recommended not to run two firewalls at the same time, as they can conflict. If you still want to block a program with Windows Firewall, here is a good tutorial.
Edit: Just did a bit of reading and apparently NOD32 doesn't have a firewall, so ignore that.
If you wish to use a 3rd party outbound firewall, this is a good one, they have a Free and a Paid version, Free one works well.