source: http://docs.aws.amazon.com/AmazonVPC/latest/GettingStartedGuide/getting-started-create-vpc.html
Create the WebServerSG security group
Add rules
source: http://docs.aws.amazon.com/AmazonVPC/latest/GettingStartedGuide/getting-started-launch-instance.html
source: http://docs.aws.amazon.com/AmazonVPC/latest/GettingStartedGuide/getting-started-assign-eip.html