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Questions tagged [amazon-elb]

ELB is Amazon's managed Load Balancer service, used in conjunction with its EC2 virtual machine cloud hosting service.

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how does elb distribute the traffc to private subnet though public subnet

I just start to learning AWS for a few days. I'm confusing about the way ELB distribute the traffic which from the internet. For example, if I have four ec2, two in the public subnet and others in the private subnet, and I use the classic load…
Kitakado
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Setting up SSL certificate for subdomain alias

We have an application hosted on AWS backed by Application load balancer. The subdomain subdomain.example.com and domain example.com is managed by an external registrar and they have their NS records we they cannot change. They could setup a CNAME…
Naveen
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How to configure AWS classic load balancer to use AWS SSL for both 80 and 8080?

We are using Nginx-RTMP Streaming and trying to redirect both 80 and 8080 to https. We have tried with redirecting different SSL port in AWS Classic load balancer but its doesn't work. Nginx RTMP Statistics URL->http://domainname:8080/stats Please…
bhuva nesh
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Target Groups and Placement Groups

How do Target groups and Placement Groups work together, or influence each other? Is it possible to have an overlap between these two types of groupings? For example if I have an ELB pointing to a Target Group in Av
Ntobeko Mkhize
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Network Load Balancer to Fargate/ECS Cluster - how to map multiple ports/target groups to one service?

Here is my setup: Route53 Alias Record -> Network Load Balancer -> Fargate/ECS Cluster The containers in the cluster have their own TLS certificates and have ports 80 and 443 open. The http server in the container sends a 302 redirect to port 443 if…
tunecrew
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Double slash in URL is automatically converted in single slash in $_SERVER['REQUEST_URI']

I am working on one site where I need to show 404 pages when someone adds double slash in URL. I have written logic to check REQUEST_URI and if there is double slash then I am showing 404 pages... But when I add double slash in URL it shows single…
Jigar
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Setting a public endpoint for each server which is behind a load balancer

Given that there are a load balancer(e.g. AWS ELB) and multiple server instances associated to the load balancer, can I set up a public endpoint (e.g. NAT forwarding) for each server instance as well? I need this for a mobile client reconnects to…
Hyunjik Bae
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Does AWS ELB support wildcard ports?

In Azure, the Standard LB can listen on all ports and can therefore be used to load balance firewalls. This is the feature ( https://docs.microsoft.com/en-us/azure/load-balancer/load-balancer-ha-ports-overview ). Does AWS have anything like this?
user3290431
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Can't access EC2 instance, but not NLB in other VPC

I've recently started the process of switching from AWS ELB to NLB, and I'm facing some connectivity issues. We have 2 VPCs. In VPC1, both EC2 database servers, old ELB and NLB is located. In VPC2, we have some EC2 servers that connect to the…
Simon Fredsted
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HAProxy (or any lb) - can you redirect based on path without SSL termination?

I'm looking to decouple the marketing (logged out) portion of a website from the main logged-in app, without having to use subdomains. I believe I can do this with ACLs in HAProxy, and potentially with other solutions like ELB. However I do not…
Msencenb
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Why should Cloudflare LB point to another AWS/GC/etc. LB?

I am aware Cloudflare has a security focus, but considering it also provides load balancing, why should I have it point to yet another load balancer e.g. AWS ELB?
atkayla
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Web socket, stateful sessions, multiple clients accessing the same session, and AWS ELB

We have web sockets + rest, stateful socket sessions, multiple clients accessing the same stateful session, and AWS ELB. What is the best way to allow multiple clients to access the same session(s) through AWS ELB while also being able to…
user1366911
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Removing and restoring an AWS ELB when needed?

I have a fairly common (and functioning) Opsworks stack with an ELB, auto-scaling app servers, and a database. Trouble is, 99% of the time I just need one app server and don't need the ELB, yet I'm still paying for it. I'm looking for an easy way to…
ScottyB
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Is it safe to have a DNS record pointing to an unused AWS ELB instance?

Where I work, we have many subdomains of our main domain pointing to ELB instances (with CNAME records) that are no longer in use (like my-loadbalancer-1234567890.us-west-2.elb.amazonaws.com). I realize this is a bad practice, but our developers…
David Bryant
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AWS Network ELB vs security groups

Decided to move a couple of internal LBs from classic to network ELB. And I have noticed that NetELB does not accept traffic within the scope of those rules which have as source another security group ID(rules that have IP address sources do…
Ricardo Beschieru
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