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Questions tagged [amazon-alb]

Amazon Web Services supports three types of Load Balancers. An Application Load Balancer (ALB) functions at the application layer, the seventh layer of the Open Systems Interconnection (OSI) model.

104 questions
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Using ALB to target PHP-FPM ECS containers

I'd love to know if this is actually posible but I'm sure I've seen it demonstrated by one of our old AWS TAMs. I am serving PHP-FPM containers (port 9000) out of ECS hosting a PHP application. I am looking at replacing the nginx box(es) with just…
Wildcard27
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AWS ALB/NLB HTTPS Target with Self-Signed Cert

I am using AWS to build a service. For this service I want to use ACM certificates. The backend is running on an EC2 instance with TLS enabled using a self-signed certificate. Since ACM certificates can't be exported I want to put a load balancer in…
TenPlusFive
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How to assign the same elastic IP to a NAT gateway and an ALB?

The architectural diagram shown below is taken from an AWS blog titled Task Networking in AWS Fargate. The blog was posted in January 2018. The description that comes with the image states that: This configuration allows your tasks in Fargate to…
krismath
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Why is my autoscaling group instance unhealthy?

I'm noticing a very strange issue with an AWS auto-scaling group. Instances are being reported (incorrectly) as being unhealthy. The instances are then being terminated and replaced unnecessarily. This is causing problems because it is leaving the…
user1751825
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AWS Application Load Balancer 502 Bad Gateway

I am using AWS ECS Fargate and have an application load balancer to forward all the connections to the correct instance. I did already manage to get up a cluster and a service up and running connected to an ALB which has a DNS record created in…
MZaza
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Cannot get websocket connection working with ec2 + application load balancer

I have an aws application load balancer with an https listener on port 9999, forwarding to a group on port 9999 with an ec2-instance being the target. If I run my websocket server with the host name configured to my domain api.example.com, then when…
patrick
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Restricting access to a specific domain on AWS

Our current setup is ALB -> Target Group -> EC2 instances At the moment it's possible to access the EC2 servers behind the load balancer using the IP address of the ALB, the DNS Name (e.g. xxxx-5555555555.eu-west-1.elb.amazonaws.com) as well as the…
JamieD
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AWS: How to redirect HTTP to HTTPS on App Load Balancer?

I have a number of IIS web servers behind an App Load Balancer (ALB). The web servers all have self-signed SSL certificate installed and redirect from HTTP to HTTPS using URL rewrite module properly setup: If I directly access these web servers,…
Silly Dude
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Nginx container health-check for AWS-ALB

I need to have a health-check path for ALB setup that points to a server which has docker container Nginx. I do not have access inside the EC2 server to add a file there. I can just add something in Docker-Container I have tried the following…
Matrix
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How to block loadbalancer forwarding to a specific path?

I have set up ALB loadbalancer. I want to prevent forwarding request towards a specific path like not to go to mydomain.com/admin/ The current Listeners set up look like below: 1 Arn IF Path is /service/ forward to tg1 …
Matrix
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How do I determine the Container ID so that Terraform can attach it to an ALB target group?

I've used Terraform to create a VPC, subnets, ECS instances, routing and a task definition which I am able to run via the AWS console. That gives me a few instances of my small web app running in multiple containers. I have also been able to create…
Neil Trodden
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Achieving mTLS with AWS ALB

If I have an ALB in my infrastructure with ECS target groups downstream, will SSL/TLS always be terminated at the ALB? If so, are my only options ELB/NLB to preserve the SSL/TLS context?
RustyShackleford
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Managing AWS EC2 and RDS autoscalling configuraiton

A client of ours generally can get away with running just the one EC2 and also has an Aurora serverless MySQL 5.7 database running, however there are times when their load spikes up significantly. e.g. going from maybe 20 sessions to 200 sessions in…
Seamus Lee
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How do you route to a mix of HTTP and HTTPS backends from an ALB Ingress?

I have a Kubernetes cluster running in EKS (on AWS.) In the cluster I have Elasticsearch, Kibana and various other web services. I would like to set up a single ALB loadbalancer such that: Requests to /_kibana/* is routed to service:…
Zorlack
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403 when using Terraform to attach Lambda Function to Target Group w/ ALB

I'm able to create Instances, Target Groups, and ALBs just fine with Terraform, but am getting stuck when trying to use Lambda Functions. It looks like the Lambda function gets created OK along with an ALB and a Target Group, but fails on the step…
John Heyer
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