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

learn more… | top users | synonyms (1)

0
votes
1answer
13 views

Amazon Web Services Elastic Load Balancing No Downtime

I'm trying to figure out how Amazon Web Services Elastic Load Balancing would create no downtime. Elastic Load Balancing pings your server path every so often (normally a couple of seconds). If it ...
0
votes
0answers
3 views

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 ...
0
votes
2answers
22 views

AWS ELB Instance OutOfService

I'm stuck on a configuration and hoping someone can help me break through. I have a single EC2 instance behind an ELB, but can't seem to bring that instance into service. If I remove the ELB, I can ...
0
votes
0answers
13 views

AWS security group change

I modified the security group for two VMs on AWS (from one security group to another - not just editing the security rules of an existing group). The VM's are behind Amazon ELB (and using Route 53). ...
0
votes
0answers
18 views

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 ...
2
votes
1answer
16 views

Http ngin behind https ELB and index auto redirect

I've got an Amazon ELB that listens for http and https traffic. Instances behind it have nginx on port 80. Http only. So ELB forwards both https and http to http of nginx. When I make an https ...
0
votes
1answer
45 views

Amazon Web Server EC2 - changes don't seem to stick

We have a Wordpress site hosted on an Amazon Web Services EC2 instance using elastic load balancing. I'm running into a frustrating problem where it seems like every time I refresh the browser, ...
-1
votes
0answers
22 views

request works with elb url but not with cname

We have an api app behind AWS ELB, and have mapped CNAME api.domain.com to elb url, If we hit the loadbalancer url, we get response, but api.domain.com is not working. I verified, with dig I get elb ...
1
vote
1answer
29 views

AWS Cloudfront + Load Balancer, url changes from main domain to load balancer subdomain

My setup is as follows: user types example.com on the browser request goes to AWS CloudFront, which redirects HTTP to HTTPS, and forwards the request to the AWS Elastic LoadBalancer (elb.example.com)...
0
votes
0answers
13 views

ELB Instances are removed on failed healthchecks

I'm running an ECS cluster with 4 ELB's. I have the annoying problem that my ELB's remove instances upon healtcheck failure. When my cluster rescale a task, it could be running on another instance so ...
0
votes
2answers
24 views

Trigger AWS auto scaling when load balancer has no healthy instances

I currently have an elastic load balancer with some servers behind it. I want them to scale as traffic moves up and down. I currently have a scaling policy to add instances whenever CPU util is over ...
0
votes
0answers
8 views

How to properly set up laravel group/owner permissions in Elastic Beankstalk?

At the moment, there are two owners, and two groups: root and webapp. I am able to go to test files placed inside of document root /var/app/current/public (also /var/www/html/public), but cannot ...
0
votes
0answers
16 views

Amazon EC2/ELB and AD FS Proxy Not Working in HTTPS Mode

We run a AWS ELB for two AD FS Proxy servers (also hosted in AWS). For some reason, when I set it up as HTTPS mode it doesn't work. When I set it up as TCP mode, it works with no issues, however it ...
0
votes
1answer
47 views

Full end to end encryption with AWS Elastic Load Balancer, Nginx and SSL

You will see a lot of places on the web telling you the way to setup SSL with an AWS ELB is to set up a certificate on the load balancer and then forward traffic from port 443 to 80 so that traffic ...
1
vote
1answer
31 views

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 ...
0
votes
0answers
24 views

how to use nginx to proxy to a host requiring authentication behind an ELB

I've seen this post How to use nginx to proxy to a host requiring authentication?. I can't implement this under an ELB setup (http://www.emind.co/how-to/how-to-force-https-behind-aws-elb/). I want to ...
0
votes
2answers
32 views

Obtain instance IPs behind ELB in order to add to iptables

What: We're using iptables and have our server rather locked down to only specific ports and IPs. Recently we have a requirement to open traffic to a third party service. However, the third party ...
0
votes
2answers
24 views

Requests to domain using wrong domain name

I`m getting strange requests to my domain using different domain host header -> as.eu.angsrvr.com . The requests are coming from all different ip addresses, different os, different browsers and seems ...
0
votes
1answer
24 views

How to find ec2 instance that is processing my request that is forwarded by an Elastic Load Balancer

We use on amazon Elastic Beanstalk with autoscaling. The autoscaling gives us 10 EC2 instances working behind a load balancer. Now if i am right the load balancer adds a cookie "AWSELB" to forward ...
2
votes
1answer
186 views

Is it possible to show a static page if all ELB registered instances are down?

We are using AWS ELB to offload SSL and load balance the incoming traffic. If all instances are down/unhealthy the ELB just sends back a blank page with HTTP status 503. Is it possible to send a ...
1
vote
1answer
33 views

Security of SSL certs on AWS ELBs / SSL offloading

I have some concerns about security and am wondering how AWS will store an SSL certificate deployed to an ELB. I have a wildcard SSL cert for my domain that I want to make sure doesn't persist ...
0
votes
1answer
40 views

Routing requests to specific regions/VPCs (Geotargeting)

We have two VPCs one in US and the other in Europe. Each VPC has a load balancer in public subnets and we run our web application in private subnets. What we want is, if a user visits our website (...
0
votes
1answer
41 views

ELB nginx - redirect loop

I have nodejs app (which works fine locally) behind nginx with following configuration : 00_elastic_beanstalk_proxy.conf upstream nodejs { server 127.0.0.1:8081; keepalive 256; } server { ...
0
votes
0answers
40 views

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 ...
0
votes
0answers
61 views

elb / apache server latency

I'm running Apache/2.4.7 on m4.larges in AWS behind ELBs. The overwhelming majority of my traffic is simple one off requests from naive clients, not web pages. The configuration is old and time tested,...
0
votes
1answer
23 views

EC2 ELB HTTPS Configuration

I have an EC2 server powering a HTTPS website for me through an Elastic Load Balancer. I want all connections to be forced through SSL up to the load balancer where the certificate is and then HTTP ...
0
votes
1answer
53 views

ELB and IGW, or just ELB?

I saw AWS architecture that IGW is placed in front of ELB (i.e., see page 8 in http://www.slideshare.net/AmazonWebServices/high-availability-application-architectures-in-amazon-vpc-arc202-aws-reinvent-...
0
votes
0answers
15 views

How to upload a certificate to Amazon ELB?

I've generated the pem files for a new certificate which we recently purchased from comodo, using this link as a guide: "https://guillaumemaka.com/2015/05/06/install-your-comodo-certificates-to-amazon-...
0
votes
0answers
47 views

How to configure ELB load-balancer over HTTPS for two sites deployed to the same pair of servers?

I would appreciate immensely if you shed some light into what we might be missing or doing wrong. I am not completely in charge of the configuration, and I'm not an expert on the subject, but have ...
0
votes
2answers
55 views

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 ...
0
votes
1answer
52 views

Listener Protocol for ELB in front of Squid Proxy

We have two Squid proxy servers for High availability. We want to use Amazon ELB in front of these Squid proxy servers. When we use Load Balancer Protocol as TCP and port 8080, Instance Protocol TCP ...
1
vote
0answers
32 views

Is it a good design to have multiple proxy layer?

I have 3 Django applications (Django + Nginx for static files) in autoscaling group in AWS. All are served as subdolfers of a single domain http://example.com/app1 http://example.com/app2 http://...
0
votes
0answers
53 views

Unable to get Route 53 to work with ELB

I have created an ELB for my 2 dev instances. My domain name is example.com, which is an A record to an Elastic IP for an EC2 instance. I'm trying to create a subdomain record dev.example.com, which ...
1
vote
1answer
66 views

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. ...
2
votes
0answers
149 views

AWS ELB with SSL backend adds proxy protocol inside SSL stream

Note, this has been also posted in http://thread.gmane.org/gmane.comp.web.haproxy/27737 we are trying to configure this architecture: ELB terminating SSL, using preconfigured certificates. (this ...
1
vote
0answers
57 views

AWS Elastic Load Balancer And 408 Request Timeout

We have a scenario where we are trying to access Openfire admin console behind AWS ELB using https. The http url works fine , but the https does not work, and we see a 408 request timeout error while ...
0
votes
0answers
32 views

ELB_5xx errors but no application errors

We see lot of ELB_5xx errors recently. During this time there is no error logged in the back end server, no HTTP 5xx errors , there is no 5xx errors in ELB logs and there is no application restart. ...
0
votes
1answer
52 views

AWS ELB health check fails on LDAP authentication

I am running a Docker container through ECS. The container runs an Apache server hosting a simple web application. However, the server requires LDAP authentication to access the page. I am using a ...
0
votes
0answers
35 views

Elb healthcheck fails for Https

Im using a url for ELB healthcheck in AWS. This health check is working with Http:1140/<myurltoapplication> and the attached Ec2 Instance were showing as Inservice but when i use Https:...
1
vote
1answer
107 views

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:...
0
votes
1answer
15 views

Installing Deis in AWS without ELB

I'd like to install a Deis cluster in AWS but without using ELB, since we have already paid for an alternative (BigIP), and our network guys are comfortable with it. Is it easy to configure Deis not ...
1
vote
0answers
93 views

504s on Elastic Beanstalk app deploy (user -> ELB -> Elastic Beanstalk mod_wsgi)

I have a Python Elastic Beanstalk load-balanced app. Here is the path a user request takes on its way into the Elastic Beanstalk app: user -> Elastic Beanstalk ELB -> Elastic Beanstalk mod_wsgi ...
4
votes
1answer
188 views

AWS ELB Latency issue

I have two c3.2xlarge EC2 machines with Ubuntu environment both in us-west-2a AZ. Both contains same code with mySQL database from AWS RDS (db.r3.2xlarge). Both instances are added to an ELB. Both has ...
0
votes
1answer
106 views

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 ...
2
votes
0answers
37 views

ELB to tomcat https redirecting to http

So we have tomcat servers behind a AWS ELB. Everything is working fine with https except if we manually type in this address: https://example.com/web/ This works fine... https://example.com/web ...
0
votes
1answer
42 views

EC2 instances single public subnet - VPN Successful But no internet

I have successfully established a VPN connection to VPC EC2 Instances (Windows), which reside in single public subnet. But, both instances cannot ping Google or each other. Is it possible to assign a ...
1
vote
0answers
43 views

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....
0
votes
1answer
73 views

AWS ELB logs missing requests

We are trying to match requests made to our backend instances with logs from our ELB. Our application server logs clearly indicate that certain requests are coming in, but the matching requests are ...
1
vote
1answer
65 views

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 ...
1
vote
2answers
144 views

Force SSL redirect with AWS decrypting SSL on an ELB and routing to Nginx/Passenger

Currently we are creating a new environment and are running into some quirks with SSL. We are using an ELB that accepts 80/443. Both route to the same port on an Nginx box (ELB Decrypts). On the Nginx ...