How to change Firewall settings to get better Xbox Live connection?

I was trying to play Gears of War 2 when a message popped up saying that my connection may be poor because of my firewall settings. How do I make my connection better? I have noticed my connection to be poor at times.How to change Firewall settings to get better Xbox Live connection?Hmmmm go to this question: http://answers.yahoo.com/question/index? I think it may help you!