Sometimes I use my mobile phone as wi-fi router. When my windows 7 home premium connects to this network, it consumes lots of data immediately. I need to disable all the internet traffic except browser and skype in those cases, and easily switch back when I get usual home wi-fi. I thought windows firewall could easily do it, but it doesn`t seem so.
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If you want to block all outbound connections do the following:
Type Firewall in the search box in the start menu and select "Windows Firewall with advanced security", in the middle section of the window click `Windows Firewall Properties'
From there whatever network your cell phone modem is considered (Public, Domain, or Private) go to that tab and change outbound connections from Allow to Block.
If you need some programs to be able to connect you need to explicitly let them connect by adding a rule to the Outbound Rules.
If you make your cell phone connection fall under the "Public" profile and your home connection as your "Private" profile you will not need to make any changes at all when you switch between your two connections if you only block outbound "public" connections.
If you can identify the program that is using a lot of traffic you can skip all of the above steps and just make a new outbound rule and set it to block that application.
Scott Chamberlain
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Propertiesthen go to the advanced tab and you can check and un-check which profiles the rule applies to. – Scott Chamberlain Mar 21 '12 at 18:55re right! It took like 100 mouseclicks to fix all of them, but it probably isnt harder than installing and configuring another firewall. Still I agree that in terms of usability windows firewall is far from perfect. – Justinas Dūdėnas Mar 21 '12 at 19:49