AWS Elastic Load Balancing Policy
This page shows how to write Terraform and CloudFormation for Elastic Load Balancing Policy and write them securely.
aws_load_balancer_policy (Terraform)
The Policy in Elastic Load Balancing can be configured in Terraform with the resource name aws_load_balancer_policy. The following sections describe 5 examples of how to use the resource and its parameters.
Example Usage from GitHub
resource "aws_load_balancer_policy" "elbWeakCipher" {
load_balancer_name = "some-name"
policy_name = "wu-tang-ssl"
policy_type_name = "SSLNegotiationPolicyType"
policy_attribute {
resource "aws_load_balancer_policy" "positive2" {
load_balancer_name = aws_elb.wu-tang.name
policy_name = "wu-tang-ca-pubkey-policy"
policy_type_name = "PublicKeyPolicyType"
policy_attribute {
resource "aws_load_balancer_policy" "positive2" {
load_balancer_name = aws_elb.wu-tang.name
policy_name = "wu-tang-ca-pubkey-policy"
policy_type_name = "PublicKeyPolicyType"
policy_attribute {
resource "aws_load_balancer_policy" "negative2" {
load_balancer_name = aws_elb.wu-tang.name
policy_name = "wu-tang-ca-pubkey-policy"
policy_type_name = "PublicKeyPolicyType"
policy_attribute {
resource "aws_load_balancer_policy" "negative2" {
load_balancer_name = aws_elb.wu-tang.name
policy_name = "wu-tang-ca-pubkey-policy"
policy_type_name = "PublicKeyPolicyType"
policy_attribute {
Parameters
-
idoptional computed - string -
load_balancer_namerequired - string -
policy_namerequired - string -
policy_type_namerequired - string -
policy_attributeset block
Explanation in Terraform Registry
Provides a load balancer policy, which can be attached to an ELB listener or backend server.
Tips: Best Practices for The Other AWS Elastic Load Balancing Resources
In addition to the aws_elb, AWS Elastic Load Balancing has the other resources that should be configured for security reasons. Please check some examples of those resources and precautions.
aws_elb
Ensure to drop invalid headers at Elastic Load Balancing
It's better to drop them at Elastic Load Balancing. Passing invalid headers to the applications might cause issues like HTTP Request Smuggling.
AWS::ElasticLoadBalancing::LoadBalancer Policies (CloudFormation)
The LoadBalancer Policies in ElasticLoadBalancing can be configured in CloudFormation with the resource name AWS::ElasticLoadBalancing::LoadBalancer Policies. The following sections describe how to use the resource and its parameters.
Example Usage from GitHub
An example could not be found in GitHub.
Parameters
Attributes
The policy attributes.
Required: Yes
Type: List of Json
Update requires: No interruption
InstancePorts
The instance ports for the policy. Required only for some policy types.
Required: No
Type: List of String
Update requires: No interruption
LoadBalancerPorts
The load balancer ports for the policy. Required only for some policy types.
Required: No
Type: List of String
Update requires: No interruption
PolicyName
The name of the policy.
Required: Yes
Type: String
Update requires: No interruption
PolicyType
The name of the policy type.
Required: Yes
Type: String
Update requires: No interruption
Explanation in CloudFormation Registry
Specifies policies for your Classic Load Balancer.
To associate policies with a listener, use the PolicyNames property for the listener.
Frequently asked questions
What is AWS Elastic Load Balancing Policy?
AWS Elastic Load Balancing Policy is a resource for Elastic Load Balancing of Amazon Web Service. Settings can be wrote in Terraform and CloudFormation.
Where can I find the example code for the AWS Elastic Load Balancing Policy?
For Terraform, the storebot/pr_demo_flat, Checkmarx/kics and leonidweinbergcx/mykics source code examples are useful. See the Terraform Example section for further details.
