Perfect Forward Secrecy AWS ELB CloudFormation

elb.json

    "PublicELB" : { 
      "Type" : "AWS::ElasticLoadBalancing::LoadBalancer",
      "Properties" : { 
        "SecurityGroups" : [ { "Ref" : "PublicELBSecurityGroup" } ],
        "Subnets" : { "Ref" : "PublicSubnetIds" },
        "Listeners" :
        [
          { "LoadBalancerPort" : "443",
            "InstancePort" : "80",
            "Protocol" : "HTTPS",
            "SSLCertificateId" : { "Ref" : "SSLCertificateArn" },
            "PolicyNames": [ "SSLNegotiationPolicy" ]
          }
        ],
        "Policies": [
          { "PolicyName" : "SSLNegotiationPolicy",
            "PolicyType" : "SSLNegotiationPolicyType",
            "Attributes" : [ 
              { "Name" : "Server-Defined-Cipher-Order", "Value" : "true" },
              { "Name" : "ECDHE-ECDSA-AES128-GCM-SHA256", "Value" : "true" },
              { "Name" : "ECDHE-ECDSA-AES128-SHA", "Value" : "true" },
              { "Name" : "ECDHE-ECDSA-AES128-SHA256", "Value" : "true" },
              { "Name" : "ECDHE-ECDSA-AES256-GCM-SHA384", "Value" : "true" },
              { "Name" : "ECDHE-ECDSA-AES256-SHA", "Value" : "true" },
              { "Name" : "ECDHE-ECDSA-AES256-SHA384", "Value" : "true" },
              { "Name" : "ECDHE-ECDSA-RC4-SHA", "Value" : "false" },
              { "Name" : "ECDHE-RSA-AES128-GCM-SHA256", "Value" : "true" },
              { "Name" : "ECDHE-RSA-AES128-SHA", "Value" : "true" },
              { "Name" : "ECDHE-RSA-AES128-SHA256", "Value" : "true" },
              { "Name" : "ECDHE-RSA-AES256-GCM-SHA384", "Value" : "true" },
              { "Name" : "ECDHE-RSA-AES256-SHA", "Value" : "true" },
              { "Name" : "ECDHE-RSA-AES256-SHA384", "Value" : "true" },
              { "Name" : "ECDHE-RSA-RC4-SHA", "Value" : "false" },
              { "Name" : "Protocol-SSLv3", "Value" : "false" },
              { "Name" : "Protocol-TLSv1", "Value" : "true" },
              { "Name" : "Protocol-TLSv1.1", "Value" : "true" },
              { "Name" : "Protocol-TLSv1.2", "Value" : "true" },
              { "Name" : "RC4-SHA", "Value" : "false" }
            ]   
          }   
        ]
      }
    }