# File lib/deltacloud/drivers/ec2/ec2_driver.rb, line 667
        def create_firewall(credentials, opts={})
          ec2 = new_client(credentials)
          safely do
            ec2.create_security_group(opts["name"], opts["description"])
          end
          Firewall.new( { :id=>opts["name"], :name=>opts["name"],
                          :description => opts["description"], :owner_id => "", :rules => [] } )
        end