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

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using nodejs https module with ssl certificate proxy with nginx without adding ssl certificate in nginx

I am using nodejs https module with nginx proxy. I have multiple ssl certificate and I want to run all https sites using node without adding all certificates in nginx ssl server. Is any way to proxy ...
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36 views

Trouble installing SSL on AWS elb

I'm trying to set up a Gandi SSL certificate but can't get it right from firefox point of view. I installed it on my load balancer (ELB) by converting my certificated to the pem format using the ...
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3answers
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Block traffic behind AWS ELB

My web servers are behind ELB, I want to block traffic from some specific user agent which is a DDOS attack. Apache always see ip address of ELB as an end user so I tried below attempts: Blocking IP ...
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36 views

Elastic Load Balancer bandwith vs EC2 [duplicate]

How does pricing with AWS works. By exemple: 1024 Go of Data Transfer Out in their calculator (http://calculator.s3.amazonaws.com/index.html) cost about 120$. If you remove this 1024Go and move it ...
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114 views

Can't get Network Solutions Certificate chain working with EC2 Elastic Load Balancer

I have a certificate file provided to me which is a wildcard domain name. It comes as both a key and a crt file. No other files were provided. I'm having trouble getting it to work correctly with ...
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34 views

Determine EC2 instance's load balancer automatically

Is there a way to automatically determine what the load balancer, if any, of a given EC2 instance is? I.e., have it ask "who is my LB and what is its service IP?". I was thinking of the instance ...
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39 views

How to map multiple AWS LoadBalancer ports to a single instance port?

I have setup like this -- Two ports on my load balancer map to a single port on my instance (the instance checks the HTTP header and issues a HTTP redirect to the HTTPS site for any non HTTPS ...
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1answer
71 views

ELB and SSLInsecureRenegotiation

I currently have SSLInsecureRenegotiation set to off on my Apache 2.4 Amazon Linux server, but I am still failing over at SSLLabs (Secure Client-Initiated Renegotiation SUPPORTED). Do you know how ...
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45 views

ELB and Backend Authentication with Apache 2.4

I tried looking at AWS guides, and other things but can't seem to figure this one out. When using ELB there is a backend authentication option. I want to enable it, but I am not sure what ...
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1answer
188 views

Where to start? Multiple Websites, same IP and port, same SSL, on Apache 2.4, Ubuntu, EC2, behind AWS ELB?

Current Situation: My company runs a number of individual EC2 instances hosting unique websites using multiple subdomains off of a common top-level domain. (abc.foo.com, and def.foo.com, for example). ...
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50 views

Allowing multiple IPs behind ELB in Apache configuration

I have multiple application servers running as EC2 instances. Only certain bare-metal servers running elsewhere are allowed to contact them and their IPs whitelisted explicitly in the httpd.conf @the ...
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1answer
119 views

Internal DNS doesn't work with CNAME

I have an internal DNS setup setup in my AWS VPC network, I just created an internal load balancer and added a CNAME record to this load balancer, but it's not working. DNS CNAME entry: db1 IN ...
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28 views

LogFormat for AWS Elastic Load Balancer

is there anyone able to stat AWS ELB access logto Awstats? I have played a little bit to format the log but without any luck. if someone did can share how that can be achived. thanks .
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78 views

ELB --> Apache (with mod_security) --> NodeJS 408 timeout issue

I have an ELB sitting in front of a number of API servers that have Apache with mod_security installed, which in turn forward stuff to a nodejs. Sometimes I'm seeing dropped connections like the one ...
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1answer
66 views

How to manually drain ELB connections for a EC2 instance?

I have connection draining enabled for a ELB. According to the documentation at http://docs.aws.amazon.com/ElasticLoadBalancing/latest/DeveloperGuide/TerminologyandKeyConcepts.html#conn-drain, a ...
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94 views

Allow ELB healthcheck against nginx but block proxied connections

I have a daemon process that polls a page to monitor system status, as long as everything is happy magic_check.html will exist. As soon as something goes down the file is deleted. I have the AWS ELB ...
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1answer
159 views

SSL termination point for AWS EC2? ELB or NginX or..?

I have a number of stand alone java web applications that currently run on different ports and URLS. I would like to expose all these apps behind a single port(443) and map the different public URLs ...
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1answer
159 views

Is AWS ELB a viable replacement of RDGW

tl;dr Is Amazon Web Services Elastic Load Balancer a viable replacement for Remote Desktop Gateway? short enough; did read My client currently uses a remote desktop gateway with roughly 10 remote ...
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1answer
90 views

Solution for PHP / MySQL website loading fast in multiple regions [closed]

I host am ExpressionEngine based website on a single Amazon EC2 instance in the US East (Virginia) region. I use Ubuntu. The website allows members to post their content, and displays it for other ...
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1answer
31 views

Setup SaaS test environment with EC2 and Nginx

I need help to setup a test environment under Nginx that is able to target a specific EC2 instance. I am using Amazon's Elastic Load Balancer and auto scaling to manage my EC2 production instances. ...
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2answers
121 views

Stagger automatic windows updates for ec2 instances

I have several Windows ec2 instances that are controlled by an ELB (Elastic Load Balancer). These instances are scheduled to install any new windows updates once per day during non-peak hours. ...
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74 views

AWS ELB Monitoring - instance state “Unknown”

We have a nagios script (python) which monitors our AWS ELBs and alerts if there are unhealthy instances. It has been working fine for some months. Over the last week or so, we've started receiving ...
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1answer
75 views

How to add HTTPS to Elastic Load Balancer?

I'm using boto to create an Apache http server that "hides" behind an AWS Elastic Load Balancer (ELB). However, the ELB DNS address is functional only when I specify port 80 (http) in its security ...
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2answers
122 views

AWStats LogFormat for AWS Elastic Load Balancer

Hoping someone can point out what is wrong with the LogFormat I'm attempting to use with the access logs generated by Amazon ELB. Multi-line for ServerFault readability: %time5 %elb %host %host_port ...
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1answer
121 views

OpsWorks Auto Healing instances that fail ELB (load balancer) test

From the AWS documentation I understand that some kind of unresponsiveness from an instance will cause it to be terminated. There is nothing in the docs that would suggest that ELB health checks can ...
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1answer
314 views

Why is my instance failing ELB health checks when adding it to the load balancer via Ansible?

I am trying to add an EC2 instance to an Elasitic Load Balancer using an Ansible playbook, with the ec2_elb module. This is the task that should do this: - name: "Add host to load balancer {{ ...
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1answer
110 views

Apache config for heartbeat and proxy pass through to ELB

I am running Apache 2.2.15 on Linux in AWS using ELBs. My goal is to provide two functions: 1) Heartbeat page for my ELB to check to see if Apache is running (/healthcheck.html) 2) For all other ...
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1answer
93 views

Elastic Load Balancer and Varnish on Each Node

We want to install Varnish on our nodes that are handled by an Auto-Scaling Group and ELB. These servers currently grow and contract based on load from 2-10 nodes. We do not want to have another ...
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1answer
794 views

Redirect all http requests behind Amazon ELB to https without using if

Currently I have an ELB serving both http://www.example.org and https://www.example.org. I would like to set it up so any request pointing to http://www.example.org is redirect to ...
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1answer
205 views

AWS ELB with SSL to non SSL backend and jenkins - tomcat configuration

I'm setting up Jenkins with Tomcat on AWS behind an ELB. I want ELB to terminate SSL connections and make a non-SSL connections to the backend jenkins on 8080. My connection looks like -- Incoming ...
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2answers
122 views

Customize log entry for AWS ELB for real user IP

I would like to change the logging format for AWS ELB, in order to log the real user IP. My current server setup contains multiple layers of proxies as followed: CloudFlare -> AWS ELB -> Nginx (EC2) ...
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1answer
40 views

Amazon ELB in Australia does not work reliably

I have a user in Australia who cannot access our site. Our site sits behind an AWS ELB which seems to work fine. While troubleshooting his machine remotely I can see that ELB issues two IP addresses ...
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115 views

How to set inbound rule for Amazon ELB based on path

I have a set of EC2 instances and a load balancer in front of them. I set up a security group for the ELB and set an inbound rule to allow HTTP traffic from anybody. However I would like to restrict ...
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54 views

How can I use ELB load balancing metrics in autoscaling group policy?

How do I configure an auto-scaling policy to work off the latency cloud watch metric of an associated ELB. I have looked at all the example cloud formation scripts and they only work upon metrics from ...
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129 views

Load balanced EC2 instances for high performance hosting?

I have a fairly hefty Dell machine with dual quad-core cpus and 32GB memory. On that machine I host a pretty busy forum, but the one machine does everything; web, cache, db, sphinx, etc. I also have ...
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48 views

In Route53, balance traffic between ELB and other IP v4 addresses

Using Route53, is there a way to round-robin to a combination of ELB's and IP v4 addresses? I have three load balancers, two are external to AWS and one is an AWS ELB. I want all three load balancers ...
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1answer
177 views

How do I troubleshoot latency issues with elastic load balancer (ELB) in Amazon AWS?

We have a web app and API hosted at Amazon AWS, with three environments - development (dev), testing/staging (uat), and live. Each environment has a load balancer, two EC2 instances and an RDS ...
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2answers
160 views

Application access via AWS Load Balancer with autoscaling

I am configuring a test AWS architecture for a web application that I plan to migrate from a dedicated hosting service to AWS. What I have now is as follows : One MySql RDS, where my application ...
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3answers
463 views

Is AWS's Elastic Load Balancer a single point of failure?

I am looking at moving our application up to Amazon Web Services. The plan is to have all of the EC2 instances mirrored across two availability zones. Due to data transfer costs, we will be staying in ...
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83 views

AWS ELB health check potentially remove all instances

So, when using AWS ELB, there's a health check url we use to ping db server / check out bound connection, etc. If there are unhealthy instances, they are removed. But if the db server is down, our ...
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2answers
163 views

Why can't I create an Alias Resource Record Set for an EC2 instance [closed]

I have been working with AWS for over a year, setting up EC2 instances, domains, ELBs, etc. When I want to assign a subdomain to an EC2 instance, I have to create an elastic IP (that I pay for), ...
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1answer
568 views

Instances slow when connected to AWS load balancer

I have setup 5 t1.micro EC2's behind an AWS load balancer. All the instances slow down once they are connected to the LB. Eight out of 10 requests takes more than 30s even when I do the requests ...
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47 views

No longer can get nginx.conf to respect my redirect rules

I want to redirect all sites and subdomains to one https domain name. I'll use https://my-site.com as an example. Previously I had all the redirection working with the following code: server { ...
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2answers
340 views

Amazon CloudFormation: How to get an ELB's private IP for a specific subnet?

TL;DR - Is it possible for a CloudFormation template to insert the subnet-specific internal IP address of a specific ELB into the UserData of an instance within that subnet? We have a fleet of EC2 ...
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2answers
628 views

How do I rotate an SSL Certificate as requested by AWS

Amazon AWS sent an email today that users using Elasic Load Balancing (ELB) service with SSL certificates should "Rotate" them for precaution (Heartbleed bug). How exactly do I rotate an ssl ...
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1answer
4k views

Does Heartbleed affect AWS Elastic Load Balancer?

The Heartbleed OpenSSL vulnerability (http://heartbleed.com/) affects OpenSSL 1.0.1 through 1.0.1f (inclusive) I use Amazon Elastic Load Balancer to terminate my SSL connections. Is ELB vulnerable?
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78 views

ELB Health Checks incorrectly failing / being unhealthy

Over the weekend, our instances have started being marked as unhealthy, and not being enabled within the load balancer. When going to the public DNS of the instance, followed by the healthcheck.html ...
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1answer
262 views

AWS ELB stops showing instance as healthy and access logs show no entries

I have a load balancer configured in a public vpc subnet to route traffic from HTTPS (443) to an instance in a private vpc subnet over HTTP (8080). The setup worked fine for about 24 hours, until the ...
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3answers
346 views

Get AWS ELB name from an attached instance

I created one ELB and attached a few instances to this ELB. So when I login into one of these attached instance, I would like to type a command or run a nodejs script that can return me the its ELB ...
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2answers
54 views

How do I configure AWS to host my apex domain?

I have several apex domains that all point to the same website. I am migrating it to AWS, and I need to figure out how to route requests to my ELB. I know I can't create a CNAME, but what are my other ...