ELB is Amazon's managed Load Balancer service, used in conjunction with its EC2 virtual machine cloud hosting service.
1
vote
2answers
46 views
How is Amazon's Elastic Load Balancer Implemented?
Amazon's ELB looks interesting, but I have a hard time evaluating how reliable it might be. I don't have a good sense of how it's implemented or what it might do behind the scenes.
If an ELB machine ...
0
votes
1answer
22 views
To properly run Nginx in front of Gunicorn, is it a bad idea to run them on the same machine?
I'm using AWS and currently use ELB (for load balancing and HTTPS termination) in front of two EC2 boxes that are running Gunicorn. For pretty clear reasons (routing certain requests for static ...
0
votes
0answers
28 views
https not working in nginx behind ELB and CloudFlare [duplicate]
Part of my nginx.conf is
server {
listen 80;
listen 443 ssl;
server_name www.mysite.com;
I listen on port 80 just fine, but not on 443. Any idea what's wrong?
UPDATE
...
0
votes
0answers
24 views
Amazon ELB Health Check causing 408 errors to be logged repeatedly [duplicate]
All of my instances behind an AWS Elastic Load Balancer are getting spammed with 408 errors.
access.log: [23/Apr/2013:19:15:25 -0400] - 10.202.195.45 9 "-" 408 0 "-" "-"
It isn't actually pages ...
0
votes
0answers
29 views
Apache configuration when ssl terminated at Amazon ELB
I have an EC2 instance behind a Amazon ELB.
I have configured a godaddy SSL certificate on the ELB.
I have configured the ELB listener to be HTTPS (443) to HTTP(80) on the instance side.
...
0
votes
1answer
23 views
Does AWS ELB apply the health check when adding nodes
My question is pretty simple, and I have been unable to determine this from the amazon documentation.
When I attach a new node to an ELB (whether by having an auto scaling policy execute, or ...
1
vote
1answer
46 views
Amazon ELB not Passing “X-Forwarded-For” to IIS
ELB is setup to accept public HTTPS (443) connections and send them on as HTTP (80) to the EC2 instances.
The EC2 instances run an IIS app that needs to know the user's IP address. According to ...
0
votes
2answers
38 views
AWS Autoscaling Not Launching Correct Instance
I have an instance in AWS that I set up my entire environment (I'll call it my ready instance) on and is running perfectly. I then created a load balancer (ELB) with an autoscaling policy.
When I ...
0
votes
0answers
38 views
Amazon's ELB + Instances = High Latency?
I have a single instance running which is sitting behind their load balancer.
When I use apache's benchmark utility and point it at the instance the response time is more often than not, under 50ms. ...
0
votes
1answer
84 views
Using htaccess with Elastic Load Balancer and Route 53 [closed]
I have transfered my DNS to Route 53 and currently use an alias record to point my www.domain.com and domain.com to my Elastic Load Balancer.
Both work great but my problem is when I try to use an ...
0
votes
1answer
96 views
Do AWS ELB, HAProxy or nginx drop the connection if a backend servers is down?
I wonder which ones of the following load balancers is able to detect an unavailable backend machine, and redirect the connection to another server without dropping the request:
nginx
AWS Elastic ...
0
votes
1answer
142 views
Amazon ELB and multi domain on Nginx server
I have an EC2 instance running Nginx with several domains.
My config starts like this:
server {
listen 80;
#disable_symlinks off;
server_name _; #allow few domains
#Adding 'www.' to ...
0
votes
3answers
86 views
How to set Load Balancers onto EC2 (installed Apache with SSL)?
I am running several EC2 instances behind ELB load balancers.
Can I insert my SSL certificate into Apache server without insert my cert into the load balancers?
How should I set for the load ...
0
votes
0answers
38 views
Unusual route53 request timeouts
So recently I migrated my DNS to Route53 with amazon, and all was working fine until a couple hours ago, where a request would always timeout with a No data received error. I have attached the zone ...
1
vote
1answer
105 views
ELB Instance Out of service
After implementing ELB and Autoscalling on Amazon AWS. There's a wierd issue happens and we don't know either the reason or the fix.
We installed Auto Scalling configuration to add instance of AMI ...
1
vote
1answer
52 views
Control ELB by Traffic load
We recently used Amazon AWS.
Now our application is on the cloud. And we configured ELB with Auto Scalling and it works fine.
We need to modify the ELB and control how it works. I checked all the ...
2
votes
3answers
378 views
How to configure my Elastic Load Balancer to balance SSL traffic?
I'm totally lost so I apologize if I'm not making sense.
I need to create a load balancer in EC2 for our application servers. I'm trying make the ELB balance traffic over SSL (8443). However, it's ...
1
vote
1answer
62 views
Is there a limit on the length of URLs when using Amazon ELBs? If so, is there a way to increase it?
We appear to be encountering an error due to Amazon ELBs truncating a long (over 1K characters) URL.
I have searched through the usual suspects, but can't find any discussion of URL length limits for ...
0
votes
1answer
66 views
“Big picture” to use Amazon load balancer solution for blog
I have a client with a popular Wordpress blog that experiences occasional short-term traffic spikes (when the site is promoted on national TV). The blog is already hosted on an Amazon EC2 instance, ...
0
votes
2answers
178 views
How to ping / traceroute an AWS ELB
Amazon's load balancers have a network security policy which swallows ICMP packets for both ping and traceroute. It is listed as security group amazon-elb/amazon-elb-sg. Personally I find these ...
0
votes
1answer
84 views
Automatically remove instance from ELB on server stop
How to automatically remove an instance from its LoadBalance (ELB) when you stop the instance?
I've tried to create a shutdown script and put it on chkconfig, but it is not working:
#!/bin/bash
# ...
0
votes
2answers
211 views
AWS Elasticache PHP Sessions with ELB and Web Servers at different Data Centres
I'm running an AWS Load Balancer with Web Servers at different Data Centres.
I need to start using PHP Sessions on Elasticache to Centralize Session Management.
I can create an a 2 node Elasticache ...
0
votes
0answers
141 views
How to redirect all HTTP traffic to HTTPS for a Django 1.4 application running on an EC2 with nginx/uWSGI behind ELB with an SSL cert
I would like to know how to put my entire django site behind HTTPS. If anyone tries to come via HTTP I want that user to be redirected to HTTPS. Currently, firefox is giving me the error "Firefox has ...
0
votes
1answer
124 views
strange lines in nginx log
I'm running nginx 1.2.6 behind amazon elb.
Periodically I see the following lines in nginx access.log:
10.28.135.252 - - [14/Jan/2013:14:20:07 +0000] "-" 400 0 "-" "-" "-"
10.28.135.252 - - ...
1
vote
1answer
254 views
How to install UCC GoDaddy SSL Certificate on Amazon EC2 ELB
I've read through this: Install SSL on Amazon Elastic Load Balancer with GoDaddy Wildcard Certificate but am still a bit unsure.
I have a subdomain: platform.mysite.com that is pointed to an ELB in ...
0
votes
0answers
155 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 ...
0
votes
2answers
312 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
0answers
65 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 ...
0
votes
0answers
85 views
AWS CloudFront to ELB - Apache Site not Showing
I'm working with a domain www.black-girl.co on AWS.
AWS Configuration:
Route53 configured so www.black-girl.co points to Cloudfront (can see this in DNS Routing).
black-girl.co is pointing to the ...
4
votes
2answers
377 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
70 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
107 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
106 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 ...
3
votes
1answer
306 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
votes
1answer
80 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 ...
3
votes
1answer
532 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
1answer
75 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
193 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 ...
2
votes
1answer
131 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
324 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
171 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
127 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
votes
1answer
75 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?
-2
votes
1answer
141 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 ...
1
vote
0answers
129 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
297 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
vote
0answers
119 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
207 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
votes
1answer
189 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 ...
4
votes
2answers
1k 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 ...
