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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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Pointing domain to AWS Classic ELB DNS Name without using Amazon route 53

I have a domain example.com. I want to point this domain to my AWS internet-facing classic ELB public DNS (my-elb-123456789.us-west-2.elb.amazonaws.com) without using Amazon Route 53. How should i configure elb DNS in my domain (example.com) DNS…
skg
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Amazon EC2 - distribute traffic based on regions and failover

I have 1 instance each in 2 regions (US West and EU London) in Amazon EC2. I would like to achieve following: Distribute traffic based on regions: For example: if the request originates from US then use US Region and if the request originates from…
user427969
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Benefits of using HAProxy in front of AWS ELBs

I have been reading about various architecture stacks of larger websites and came across imgur's. They seem to have all of their subdomains (api.imgur.com, cdn.imgur.com, imgur.com...) all pointing to one HAProxy instance that then divides up…
Hurricane Development
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Amazon ELB doesn't clean up KeepAlive connections

AWS documentation mentions the following: To ensure that the load balancer is responsible for closing the connections to your instance, make sure that the value you set for the HTTP keep-alive time is greater than the idle timeout setting on…
Arturs Vancans
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Connecting public facing application load balancer to a private load balancer

I'm using AWS and trying to remap a huge application to small parts - in summary: I'm transforming a monolitic application to a micro-service based one. So I want to use a public facing loadbalancer where I can route some paths to other enviroments.…
Tulio Faria
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ELB health checks failing only for HTTPS

I am currently running a ELB (application type) on my Ubuntu single instance, it is set up to listen to HTTP and HTTPS. The HTTP target group health check is fine, however, the HTTPS target group health check is not. And unfortunately, the tooltip…
Derek
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Amazon WAF not blocking XSS or SQL Injection

I tried submitting a form with and I was NOT blocked. I put WAF on my ELB and did test to make sure I have analytics (Below). What am I doing wrong? Here is my ACL: Here is my XSS and SQL Rule: Analytics: (To show that…
Chris Muench
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Sinatra/Nginx/ELBv2 API is generating ERR_SPDY_PROTOCOL_ERROR on Chrome 58 or higher only

I have an API with the following stack: Sinatra <=HTTPS/TLS=> Nginx <=HTTPS/TLS=> ALB(ELBv2) It's a basic URL shortener that sends a 301 redirect to the browser to go to the longer URL. This was working flawlessly for a year or two, but since…
Dan R
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How to configure ELB failover with Active/Standby in same region

I'm new to AWS and have services running on each instances in same region. However due to the stability of service, I would need to setup 2 identical instances for Message and put them behind LB group. I'm now having checks with it and found that…
Kevin Yang
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How are ALB HTTPS health checks verified?

When AWS application load balancers are configured to use HTTPS health checks, how are those verified? What subject name is matched against? What certificates are used? Whenever I try to use HTTPS health checks, the ALB reports the health checks…
Paul Draper
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Moved domain 2 weeks ago, old site still registering some hits

2 weeks ago, I moved my website from AWS to another host. Updated DNS etc. I am still seeing hits on the old site. (not many , about 200 a day) Is it reasonable to assume that after that amount of time, those hits are from web crawlers coming in…
Lawrence Cooke
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Handling the dynamic nature of AWS ELB ip addresses when using Apache httpd as a reverse proxy

I'm currently running several different services (mostly spring boot apps) behind Apache httpd in a Reverse proxy configuration. Each service is on an individual instance with an auto-scaling group that feeds an internal elb. The internal elb…
Robby Pond
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Domain/ELB returning 503 after linking it to wordpress EC2 instance

When I link a domain name to EC2 instance IP, my wordpress setup on the same machine returns 503 error. It runs fine when its not linked to any domain name. Update: I think I found the reason of error, which would be ELB instance getting 301 as…
Utkarsh Mishra
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NGINX failing once a week, responds with 499 until NIGNX reload

I have an NGINX instance set up acting as a reverse proxy for several applications, each setup as their own server within the NGINX config. The configuration is currently very minimal: listen 80; listen 443…
Dan
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Require Amazon Web Services ELB to honour my TLS connection

I am pretty new to ELB in AWS stack and have got a requirement where the two components running on two EC2 instance to communicate over TLS and there is a TLS level authentication by component 2 from any incoming session from component 1. Basically…
aj1984
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