# File lib/aws/ec2/security_group/ingress_ip_permission_collection.rb, line 30
        def each
          security_group.ip_permissions_list.each do |p|

            ports = p.respond_to?(:from_port) ? [p.from_port, p.to_port] : nil

            ip_ranges = p.ip_ranges.collect{|ip| ip.cidr_ip }

            groups = p.groups.collect do |group|
              SecurityGroup.new(group.group_id,
                :owner_id => group.user_id,
                :config => config)
            end

            permission = IpPermission.new(security_group, p.ip_protocol, ports,
              :ip_ranges => ip_ranges,
              :groups => groups,
              :config => config)

            yield(permission)

          end
        end