---
title: "Setting Up an AWS Application Load Balancer (ALB)"
slug: "understanding-aws-application-load-balancer-alb"
updated: 2025-12-12T16:02:58Z
published: 2025-12-12T16:02:58Z
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.nasuni.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Setting Up an AWS Application Load Balancer (ALB)

## How to Set Up an AWS Application Load Balancer

Setting up an Application Load Balancer (ALB) in AWS requires certain prerequisites and a series of steps to ensure proper configuration. Follow this guide to set up your ALB efficiently.

### Prerequisites

- NEA should already be deployed in AWS EC2.
- NEA should join NMC.
- A certificate should already be created.
- Access to DNS to set up the FQDN.
- Full access to Amazon EC2.

### Configuring the Load Balancer

To set up the load balancer, follow these steps:

1. Log in to the [AWS Console](https://console.aws.amazon.com/).
2. Navigate to the **EC2**section.
3. From the left-side menu, navigate to **Load Balancing** and click **Target Groups**.
4. Click **Create target group**.

![](https://cdn.document360.io/2adf6ce2-c120-4520-b135-0fc4463ddde3/Images/Documentation/image-NS7UN79Y.png)
5. Under **Create target group**, click the **Instances** radio button.

![Screenshot showing the creation of a target group](https://cdn.document360.io/2adf6ce2-c120-4520-b135-0fc4463ddde3/Images/Documentation/AWSALB_004_20251022_213443.jpg)
6. Enter a **Target group name**.
7. Click the**Protocol** drop-down and select **HTTPS.**
8. In the **Port** field, enter “443“.
9. Under **IP address type**, click the **IPv4** radio button.

![](https://cdn.document360.io/2adf6ce2-c120-4520-b135-0fc4463ddde3/Images/Documentation/image-HT1TRNGQ.png)
10. Click the **VPC** drop-down and choose the VPC that the instance is currently running in.
11. Under **Protocol version**, click the **HTTP1** radio button.
12. Under **Health check protocol**, select **HTTPS**.
13. In the **Health check path**, enter “/fs/auth/login“.

![](https://cdn.document360.io/2adf6ce2-c120-4520-b135-0fc4463ddde3/Images/Documentation/image-74BSXBBO.png)
14. Click **Next**.
15. On the **Register Targets** page, select the Nasuni Edge Appliance that is running Web Access.
16. Click **Include as pending below**.
17. Scroll to the bottom of the page and click **Create target group**.
18. From the left-side menu, navigate to **Load Balancing** and click **Load Balancers**.

![](https://cdn.document360.io/2adf6ce2-c120-4520-b135-0fc4463ddde3/Images/Documentation/image-HOD08V0G.png)
19. Under **Application Load Balancer,**click Create.![Screenshot showing the creation of an Application Load Balancer](https://cdn.document360.io/2adf6ce2-c120-4520-b135-0fc4463ddde3/Images/Documentation/AWSALB_012_20251022_213443.jpg)
20. Enter a **Load balancer name**.
21. Under **Scheme**, choose **Internet-facing**.
22. Under **Load balancer IP address type**, click **IPv4.**
23. Click the **VPC** drop-down and select the VPC with internal access.
24. Under **Availability zones and subnets**, choose at least two subnets.
25. Using the **Security groups**drop-down, choose a security group that has access to HTTP and HTTPS.
26. Under **Listeners and routing**, navigate to the **Protocol**field and select **HTTPS** from the drop-down.
27. In the **Port** field, enter “443“.
28. Under **Routing action,**choose the **Forward to target groups** option.
29. Use the **Target group** drop-down to select the previously created Web Access target group.

![](https://cdn.document360.io/2adf6ce2-c120-4520-b135-0fc4463ddde3/Images/Documentation/image-MDND5KHY.png)
30. Scroll down to **Secure listener settings**, click the **Policy name** drop-down, and select the latest TLS policy.
31. Under **Default SSL/TLS server certificate**, choose to have AWS create a certificate or import a certificate.
  1. If importing a certificate, enter the **Certificate private key, Certificate body,**and **Certificate chain**.

> ***Note****: Do not check the Mutual authentication (mTLS) checkbox.*
32. Click **Create load balancer**.
33. (Optional) To automatically redirect HTTP traffic to HTTPS, follow these steps:
  1. Click **Add listener**.

![](https://cdn.document360.io/2adf6ce2-c120-4520-b135-0fc4463ddde3/Images/Documentation/image-X54F103R.png)
  2. From the **Protocol** drop-down, select **HTTP**.
  3. From the **Port** drop-down, select **80**.
  4. Under the **Routing action**, click the **Redirect to URL** option.
  5. Under **Redirect to URL**, click **Full URL**.

![](https://cdn.document360.io/2adf6ce2-c120-4520-b135-0fc4463ddde3/Images/Documentation/image-DQDDDGY1.png)
  6. Click **Add listener**.
  7. From the left-side menu, under **Load Balancing**, click **Target Groups**.
  8. Select **WebAccess**.

![](https://cdn.document360.io/2adf6ce2-c120-4520-b135-0fc4463ddde3/Images/Documentation/image-0YZRMNJS.png)
  9. Confirm that the target group's **Health status** displays “**Healthy**”.

![](https://cdn.document360.io/2adf6ce2-c120-4520-b135-0fc4463ddde3/Images/Documentation/image-VO5ZOEE0.png)