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Questions tagged with Application Load Balancer
Application Load Balancer operates at the request level (layer 7), routing traffic to targets (EC2 instances, containers, IP addresses, and Lambda functions) based on the content of the request.
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### Title
HTTP 500 — `Execution failed due to configuration error: Received fatal alert: protocol_version`
### Context
* **Service:** Amazon Web Services API Gateway (REST, regional)
* **Error:** H...
the output of the curl command below
curl -kso /dev/null -w "\n===============\n | DNS lookup: %{time_namelookup}\n | Connect: %{time_connect}\n | App connect: %{time_appconnect}\n | Pre-transfer: %{...
Hi, I'm trying to deploy an ECS service on AWS Fargate with an ALB, but my tasks keep failing with an ECR connectivity error.
Error Stopped reason:
> TaskFailedToStart
ResourceInitializationError: un...
IHAC who needs to be able to support at least a 24 hour hour drain period with AWS ALB. However, currently there is maximum deregistration delay of 3600 seconds. Any workarounds recommended?
asked 18 days ago
## Summary
When a listener has both `authenticate-cognito` rules AND a `jwt-validation`
rule, the Cognito login flow breaks with ERR_HTTP2_PROTOCOL_ERROR. Removing
the `jwt-validation` rule immedia...
Hello,
I'm researching about the production release timeline for Gateway API support in the AWS Load Balancer Controller.
Current Status:
-Gateway API support introduced in LBC v2.14.0 (late 2024)
-...
asked a month ago
Hi All,
I wrote a cloud formation template, basically it is deploying VPC, subnets, SG's & etc., etc. with VPC IP address being 172.16.0.0/12.
Can anyone review and tell me what wrong am I doing he...
**Problem Statement**
We’re in the process of unifying multiple authentication and user-management systems across several applications into a single, modern identity platform. Our current direction i...
Hello AWS Support,
I am unable to create an Application Load Balancer (ELBv2) in region eu-central-1.
When attempting to create an ALB (both via Terraform and via AWS Console), I receive the followi...
Hi,
I have a laravel filament admin panel which is dockerized and deployed to AWS EKS. I'm running 3 replicas which are backed by ALB.
After logged-into the panel and when I export data from admin ...
Execution log for request 376d0b35-d865-414d-8bb7-753f4ee78787
Fri Jan 09 11:29:17 UTC 2026 : Starting execution for request: 376d0b35-d865-414d-8bb7-753f4ee78787
Fri Jan 09 11:29:17 UTC 2026 : HTTP M...
I have a FastAPI application deployed on AWS ECS behind an Application Load Balancer (ALB) and Cloudflare. CORS requests from `https://app.******.com` to `https://backend.******.com` fail with "Disall...