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

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0
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489 views

Redirect to HTTPS from my Amazon Elastic Load Balancer

I have a rails app on 2 EC2 Instances running nginx behind an Amazon Elastic Load Balancer. I'd like to force HTTPS, which was working fine before I added in the Load Balancer. Now I can't quite ...
2
votes
2answers
3k views

Reverse Proxy Server Cloud Architecture (AWS + nginx)

Currently I cache responses using nginx + fastcgi. I'm in the process of moving my app to AWS. I'm architecting a horizontally scaled approach, but trying to determine where best to put nginx + ...
0
votes
3answers
2k views

CloudFront Dynamic Content & Apache using Multiple Virtual Hosts

I've tried to setup CloudFront to point to an Elastic Load Balancer. I can see the requests are reaching the web server (which as multiple Virtual hosts configured) however the requests always end up ...
4
votes
1answer
951 views

How to setup nginx to redirect to https for certain host when behind an SSL termination load balancer

Hello I have a web server (running nginx) in EC2 behind an ELB (load balancer) which terminates SSL connections. If there is a request to www.domain.com it will go http to the ELB and be passed to ...
0
votes
1answer
113 views

AWS - point my zone apex (mydomain.com versus www.mydomain.com) to Elastic Load Balancer

I'm having trouble setting up an Route53 Apex Zone that point to an ELB and works on www and non-www domain names. The domain name is datingjapan.co In Route53 I have clicked new record set added ...
0
votes
1answer
373 views

Odd behavior of setting REMOTE_ADDR between Apache, Nginx, and AWS ELB

I have encountered a strange issue and am curious if others have encountered this as well. and if there is absolutely anything that can be done.. We have a set up where we have multiple AWS EC2 Linux ...
0
votes
1answer
291 views

Time between AWS Notifying of Scale Down and Terminating instance

Here is the scenario, there are multiple EC2 instances behind a load balancer. When traffic dies down, the SCALE_DOWN policy is triggered from a CloudWatch alarm. What I would like, is for the ...
6
votes
2answers
2k views

How can I setup SPDY with Jetty behind Amazon's ELB?

I want to deploy SPDY, but I'm using Amazon's ELB TCP routing. The ELB also handles the secure connections for us. How can this be configured on the jetty side?
0
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1answer
182 views

Guaranteed HTTP forwarding frontend service (reliable cloud load balancer) [closed]

My situation is fairly simple and, I guess, it's encountered fairly often. I have several projects which all look pretty much the same - a single project consists of: Static content servers - there ...
6
votes
2answers
6k views

Force HTTPS with AWS Elastic load balancer

I need to redirect all incoming HTTP traffic to HTTPS on my elastic load balancer. I tired using Apache mod_rewrite: RewriteEngine On RewriteCond %{HTTP:X-Forwarded-Proto} !https RewriteRule ...
0
votes
2answers
149 views

Single AWS Elastic Load Balancer to multiple EC2 instance pools?

Does AWS Elastic Load Balancer support having a single load Balancer to multiple EC2 Instance Pools? I have three domains: www.example.com api.example.com stats.example.com And I'd like to serve ...
1
vote
1answer
855 views

Autoscaling EC2 with NFS mounts

I'm trying to set up a shared filesystem on EC2 and I've read tutorials such as this: http://blog.ronaldmccollam.com/2012/07/configuring-nfs-on-ubuntu-in-amazon-ec2.html In step 2 it talks about ...
4
votes
3answers
650 views

AWS ELB poor performance

We're using ELB for SSL termination. Our applications run on EC2 instances behind ELB using HTTP. We're monitoring the application response times and performance hit when going through the ELB seems ...
1
vote
1answer
708 views

Load balancer with Varnish round robin

I'm looking at a setup of an existing application. This application makes use of Amazon's elastic load balancer and then it goes through varnish. Within varnish, we are making use of the round robin ...
0
votes
1answer
518 views

AWS ELB Not working as desired

Trying to load balance my app with the use of an AWS Elastic Load Balancer. The app is a custom TCP-based sender/receiver. In any case, ELB seems to send 100% of the traffic to one machine, ...
0
votes
1answer
169 views

Amazon ELB and use of address / server names across multiple servers

I am setting up Nginx servers behind the ELB. I set up so that api.app.com points to an ELB. I wonder which addresses I should use for remote connections, Nginx settings etc.. 1) For example, in ...
0
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1answer
196 views

When using a load balancer how do find out what ec2 instance you're accessing from the browser?

Is there a way to determine the ip address of the ec2 instance you're accessing from the browser?
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1answer
229 views

Cheapest High Available Web Server [closed]

I would like to create a high-available setup (e.g. a small cluster) for a webserver, i.e. it will run Apache, PHP and MySQL. There will be between 2-8 small websites running with only very little ...
2
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0answers
370 views

Application reports timeouts. However nginx has no record or log

We are serving Django via nginx/uwsgi. We use AWS ELB behind a VPC. This is a webservice to Mobile clients. We had reports of timeouts during development so we have added a concept of a request_id ...
1
vote
2answers
2k views

Providing a static IP for resources behind AWS Elastic Load Balancer (ELB)

I need a static IP address that handles SSL traffic from a known source (a partner). The reason the IP needs to be static is that the partner requires this in order to maintain the PCI compliance. ...
1
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0answers
302 views

AWS ELB + ejabberd server

I have two servers in AWS EC2 ejabberd. I'm trying to set up an ELB to manage traffic, but I can not connect when I put a ELB "front" of EC2 instances. DNS settings, I changed the A record for the ...
0
votes
1answer
429 views

ELB Setup for SSL is not working for apache redirect

I have configured ELB with SSL certificate. Listener configuration for ELB is shown below -- 443 (HTTPS, Certificate: www.xyz.com) forwarding to 80 (HTTP), 80 (HTTP) forwarding to 80 (HTTP) Domain ...
0
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1answer
257 views

Sync web directories over multiple servers on Ubuntu

Lets say I have 3 servers, One is a development server, prototype code goes here. When it's done I've been using scp to push that file to the live server but now I'm looking into multiple live server ...
8
votes
3answers
9k views

Install SSL on Amazon Elastic Load Balancer with GoDaddy Wildcard Certificate

I'm a bit stuck installing an SSL Cert on an AWS Elastic Load Balancer. I have a wildcard certificate from GoDaddy and need to point it at the ELB. I have run the command (I ran it on one of the ...
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4answers
4k views

AWS elastic load balancer basic issues

I have an array of EC2 t1.micro instances behind a load balancer and each node can manage ~100 concurrent users before it starts to get wonky. i would THINK if i have 2 such instances it would allow ...
0
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1answer
398 views

Amazon ELB page 'recieving' time very slow, running EC2 + spot

I have an Elastic Load Balancer paired to a set of instances one is persistant and the other is a variable number of spot instance. When i access the servers directly using their end points, the ...
5
votes
1answer
3k views

How to block Nginx access log statements from specific user agents

I am looking to turn off logging in the Nginx access log file from specific requests from http user agents. Basically from the Amazon ELB Health Check and our external (Pingdom) monitoring. Since ...
3
votes
1answer
168 views

How to find out the location of Google IP number: e.g. 209.85.143.94

I am building DNS service and I need to find out location of DNS servers querying me. Apparently anyone who is using Google public DNS like 8.8.8.8 is coming from Google /17 network, and if I do geoip ...
2
votes
1answer
394 views

Amazon AWS: SSL in our testing environment

My company has a running business web service on AWS which uses a wildcard SSL certificate (works for *.example.com). Multiple partners have subdomains and need SSL (https://partner1.example.com, ...
5
votes
3answers
2k views

AWS ELB as backend for Varnish Accelerator

I am working on a large deployment on AWS that has high uptime requirements and variable loads throughout the day. Obviously, this is the perfect use case for ELB (Elastic Load Balancer) and ...
0
votes
2answers
899 views

Disable https for certain path in nginx results in instance behind ELB going into redirect loop

I am using elb terminated ssl. I want to force /product/performancesummaries/ to be HTTP only. Here is my current configuration that I am playing around with: user www-data; worker_processes 2; pid ...
1
vote
1answer
433 views

How can I determine what caused a sudden increase of traffic to my AWS servers?

I recently set up a cloud system on Amazon AWS for a big website. I usually use Elastic Beanstalk to deploy the application (written in Java Spring) and it's currently running on 4 micro instances. ...
4
votes
1answer
691 views

Unicorn behind ELB, no nginx

If I understand Unicorn right (and in particular from their philosophy doc) it seems like Unicorn was really designed to operate behind a reverse proxy like nginx. My question is: can I drop nginx ...
0
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2answers
836 views

Amazon VPC ELB SSL port redirection

I have an Elastic load balancer with 2 ports open, 80 and 443. 443 has SSL on it. both 80 and 443 are being redirectedt to internal servers port 80. The issue is that i want to run my site only on ...
4
votes
2answers
4k views

Can Elastic Load Balancers correctly distribute traffic to different size instances

Just been looking into Elastic Load Balancers. As I understand it they just do round robin, evenly distributing connections to the servers behind them. So what happens if you have different size ...
10
votes
2answers
3k views

SSL redirect on EC2 instance behind SSL terminating load balancer

I'm trying to redirect all url's to https in a web application. I have an ec2 instance behind an elastic load balancer. SSL is terminated on the load balancer. Any attempts at redirection end up ...
0
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2answers
2k views

Amazon VPC - Elastic load balancer not forwaring requests to Private Subnet instance

I have setup and Elastic load balancer in VPC. There is a public and private subnet. Currently the web server is in the Private subnet and there is a NAT instance in public subnet, from which the web ...
1
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2answers
735 views

Amazon Elastic Beanstalk - Any file managers?

Are there any file manager UIs I can use with Elastic Beanstalk (upload,view,etc)? Does the AWS Management Console include one? I'm doing PHP and HTML.
3
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2answers
2k views

CloudFront with Custom Origin and ELB

We are using CloudFront for our static assets but also wanted to allow for Gzip. We set up a new distribution with a custom origin pointing back to our application servers which are behind a elastic ...
2
votes
1answer
2k views

After setting up Elastic Load balancer my https doesn't work anymore. Nginx error

I have a regular instance that works fine when not behind a load balancer. I set up an ELB with 80 forwarding to 80 and 443 forwarding to 443 and sticky sessions. Afterward I receive this error when ...
1
vote
3answers
387 views

AWS Elastic load balancer doesn't decrease instances from Alarm Trigger

I have a load balancer that I created an auto-scaling-group and launch-config for. I created the auto-scaling-group with a min-size of 1 and max size of 20. I have a scaledown policy: ...
1
vote
0answers
316 views

ELB allows unencrypted/http communication on port 443?

I was testing a configuration of AWS ELB to use for SSL termination when I came across an intermittent issue... Ocasionally, you can specify HTTP with port 443 (http://...:443) and ELB will pass ...
5
votes
2answers
1k views

Load Balancing on Amazon (AWS) and staying up to date

I would like to have a load balancer for my site and have the site up to date. The load balancer will take the AMI I select and spin up more of those instances when processing power hits a certain ...
2
votes
1answer
446 views

Resque(Redis) On EC2 Micro Replciated to 3 availability zones

I'm going to build a failover setup for my resque jobs system wich uses Redis as a queue. The idea is to put 3 redises in different availability zones on micro instances and replicate them. Also would ...
2
votes
1answer
302 views

What is best practice for upgrades with AWS autoscaling and database migrations?

I would like to use a combination of an ELB and AutoScaling for a web application. For upgrades to the web application that don't involve changing the database, I can simply rotate all the instances ...
4
votes
3answers
2k views

Load testing sites behind an EC2 load balancer with ApacheBench

When ever I try to load test a site that is load balanced on EC2 I get the following message: ab -n 20 -c 20 http://www.somesite.com/ Benchmarking www.somesite.com (be patient)...Send request ...
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5answers
6k views

How can I make my web server reachable via IPv6 on the AWS platform?

My business's web site uses the AWS platform. I want the site's visitors to be able to reach my content using the IPv6 protocol. How can I add an IPv6 address?
4
votes
1answer
1k views

Amazon ELB HTTPS Backend authentication causing invalid certificate error

I have a wild card SSL certificate issued by Starfield Secure Certifcation Authority that is valid thru 2014. I have been using the certificate with ELB without backend authentication (cert not ...
0
votes
1answer
352 views

With AWS ELB, is it possible to direct specific subdirectories to specific servers?

We're moving from a single EC2 server setup to a multiple-webserver setup, and using ELB to spread traffic across the servers. Our core application will handle this just fine. There's one sub ...
3
votes
2answers
351 views

Elastic Load Balancing using a chain of domains/hosts

I've setup an elastic load balancer on EC2 which (for example) has the public DNS (A Record) of: LB-165746761.eu-west-1.elb.amazonaws.com I've then registered a domain which I want to act as my ...