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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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Is is possible to attach a new ELB into an existing ASG via cloudformation update?

I would like to know if there is a way to update the ASG definition during cloudformation creation itself to have an additional Load balancer. Something similar to what we have for updating Security group using "Type" :…
saurabh
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AWS CloudFront doesn't find my ELB as an origin in Mumbai region

I have my infra setup in AWS singapore region. Now I want to migrate to Mumbai region. I have launched 2 EC2 instances in AWS Mumbai region and deployed my web application and kept behind ELB which is working fine. If I create my Cloudfront which…
Nagarjuna D N
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Graylog and ELB

We are trying to use ELB to load balance two graylog nodes. For the most part it works correctly but for certain actions like going to System-Nodes it times out and we receive the following. If we go to the URL in logs directly we see an HTTP 405…
tweeks200
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How to restrict access to EC2 from outside but allow from Elastic Beanstalk instances?

This is the situation: We have an EC2 server which runs Elasticsearch and an Elastic Beanstalk (EB) environment. They both are in the same VPC. This is my goal: Allow access to EC2 (9200 port) only from instances generated by EB. What I did and what…
krabats
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Way to limit Amazon ELB to a fixed set of IP addresses?

We would like to use Amazon Elastic Load Balancing, however, our application requires a fixed set of IP addresses as our clients need to know a finite list of possible destinations for specific requests. Reading some answers around, it sounds like…
Dan Pisarski
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Force nginx to close connection

We have a setup that looks like this: Client -> AWS ELB (tcp load balancing)-> NGINX (ssl termination) -> application server. We want to gracefully take application servers out of the load balancer. We do this by having a health check that responds…
Daniel Abrahamsson
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AWS ELB health check when using nginx and TCP

I have an elasticbeanstalk environment that uses nginx as a frontend server for a node.js application. The environment uses an elastic load balancer configured to accept connections on TCP:80/SSL:443 and forward both to the nginx instance on…
saguiar
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AWS ELB with ipv6 fails on online tests

I have an ELB with ipv6 AAAA DNS configured on route 53. The problem is that the tests I used tell me it's not ok (I don't have an ipv6 connection for testing): AFAIK I don't need to configure nginx on instances for ipv6 as it should be handle by…
Nek
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AWS ELB is adding http absolute path

We have tomcats running a Spring Security webapp. The https is terminated at the ELB (443), then forwarded to tomcat on 8080. However, when we log in, a successful login redirects us to /welcome.html but the redirect has an absolute path, and an…
mmaceachran
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AWS ELB not configuring properly with EC2 instance

I have a working EC2 instance I'd like to place, along with a copy, behind an Elastic Load Balancer, but I can't get it to work. ELB Settings: Ports: ELB HTTP:80 -> EC2 HTTP:80, default VPC Security groups: AWS-OpsWorks-LB-Server Health Check:…
OrdinaryHuman
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Intermittent ERR_INVALID_CHUNKED_ENCODING

I have a Node.js application running in two AWS instances behind a ELB instance. Every now and then, I get errors such as ERR_INVALID_CHUNKED_ENCODING or ERR_CONTENT_LENGTH_MISMATCH. This is observed in both Chrome and Safari in Mac. The behavior is…
Griffith
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Loadbalancing a root domain redirection web server hosted in EC2 to remove SPOF

This may seem quite obscure and perhaps quite niche but bear with me. The situation is: www.domain.com points to infrastructure in EC2, specifically an ELB domain.com points to a micro instance in EC2 and is an nginx server thats only purpose is…
djk
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PHP sessions without an expiration period. What happens to the sticky session on the load balancer?

I'm using PHP sessions without an expiration period, using Amazon EC2 Elastic Load Balancing with Sticky Sessions.. What happens to the generated application sticky session on the load balancer? When will the stickiness expire?
Marcel Al Mutawa
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AWS - ELB - NTP - Unable to forward UDP Traffic?

I am trying to setup two micro-instances behind an internal ELB which will handle mundane tasks such as central logging and NTP queries, but come to realize that ELB doesn't support UDP forwarding. After some searching I came across this article,…
Mike Purcell
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Prevent AWS load balancer serving on IP address

I've configured a Amazon Webservices Load Balancer for my site. It's all good the domain name resolves to the IP address of the Load Balancer Endpoint, and on the internal LAN it communicates with my two front end webservers. I've noticed in…
bendecko
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