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.
Questions tagged [amazon-alb]
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Secure websocket connection to server running on EC2 fails
I have a node.js websocket server running on an EC2 instance on port 8080. Normal websocket connections (ws://) work fine but when I'm trying to make a secure connection (wss://), the websocket connection fails.
I realise that wss requests are sent…
Debabrata Mondal
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Application Load Balancers Requests Hanging
In my aws env requests are hanging at the ALB for some reason. I haven't been able to identify a cause yet aside from Cache hanging requests there and possibly the session write being left open causing it to wait. what might be the possible reason…
Santosh Baruah
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Cloudfront 502 error with ALB origin in different region
I have a CloudFront which has one of its origins as an application load balancer, this load balancer is available in a different region from the CloudFront which is only available in N.Virginia and is using a different SSL certificate, as its domain…
Odasaku
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AWS ALB Shows Target Group unhealthy, even though port 80 is open to Internet
I've built an AWS ALB & Target group via Terraform and everything looks correct but the Target Group is reporting unhealthy for HTTP, HTTPS, and TCP. The instance is a t3.nano in us-east-2 and has Nginx installed and running.
I've verified the…
John Heyer
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AWS EKS Ingress Timeout On Any Non-Root Path
We have configured an Ingress resource on our EKS cluster with rewrites from /.* on the load balancer to the matching URI upstream. If we visit staging.my-domain.com/, we see a successful health-check response as expected. However, any other url,…
DragonBobZ
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AWS CodeDeploy with two listeners
I have an application load balancer with two listeners ( 80 and 443 ) and I want use CodeDeploy to deploy my fargate container.
I cannot redirect http traffic to https...
With CodeDeploy I can set up only one listeners in the prod_traffic_route,…
SaroVin
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Unable to setup Apache NiFi behind AWS ALB
I am having an issue setting up Apache NiFi behind AWS ALB. I can currently access the UI when hitting the server's public IP address directly but have been unsuccessful getting it working behind the ALB. It does work behind the ALB when HTTPS is…
BeersNGears
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SPA from S3 and Java backend in the same domain. ALB fixed response limit
I would like to have S3 bucked stored Single Page Application and its backend in the same domain. Now I am using ALB Listeners configuration to serve a fixed response for my index.html (by path). The default rule poits to a Target Group hosting my…
Marek Raki
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What could explain downtime when ALB connection count is high but request rates are low?
I have a backend service on EC2s, and requests to the EC2s are routed through an ALB.
My backend service had a brief downtime during which it's response latency shot up. This led to a massive build up of connection count at the ALB.
However, when…
Shubham Kanodia
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Remote Desktop Services Gateway behind AWS ALB connectivity issues
I have set up a Remote Desktop Services Gateway behind an AWS ALB.
The AWS ALB does the SSL offloading and talks to the RDS Gateway Server via HTTP (port 80).
The configuration works and I can RDP to instances behind the RDS Gateway, but very often…
Pep
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Cheaper option compared to ALB for using AWS issued certificates
Title basically says it all, I'm curious if there's a service that can handle the SSL layer and then send data to an ec2 instance over plain HTTP (inside the VPN).
Application load balancers work just fine for this purpose, but they are expensive…
George
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AWS Application load balancer in switching between two frontends
I have two angular6 frontends, one running on port 4000, the second running on 4100.
Do a Dockerized push to ECR and create two task definitions ... create cluster and then 2 services of these two frontends, both are running on their ports well and…
dev
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ALB writing to 2 postgre sql instances
I have nginx and postgre sql running on the same ec2 instance.
It serves a rails app that reads and writes data on that db.
I would like to have 2 instances behind an ALB service to distribute load and ensure availability.
What should I do to ensure…
HelloWorld
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Securing an AWS ALB
Hi everybody I’m relatively new to AWS web services and I’m struggling to secure an ALB. My web page works in a simple way there’s an api gateway where the methods are defined, then I have a ALB that balances around N servers. What I’m trying to…
