All Questions
123
questions
1
vote
1
answer
2k
views
Why is a post/upload of a 100k JSON file to an AWS CloudFront endpoint resulting in 504 error?
On a wordpress site, we have requests coming in to CloudFront, which sends the request to origin (if necessary) which goes through an ELB, and to two or three instances that will service the request.
...
- 430
0
votes
1
answer
4k
views
Secure websocket connection to server running on EC2 fails
I have a node.js websocket server running on an EC2 instance on port 8080. Normal websocket connections (ws://) work fine but when I'm trying to make a secure connection (wss://), the websocket ...
12
votes
2
answers
3k
views
AWS recommends 54 t2.nano EC2 instances instead of one m5.xlarge
We have deployed a web application on an m5.xlarge EC2 instance and when we try to buy an annual or 3 years reserved license, AWS recommends based on our current usage it is recommended to purchase 54 ...
- 123
3
votes
2
answers
2k
views
"edit health check" is greyed out on AWS EC2 Load Balancers
The default AWS EC2 Load Balancer Health Check hits "/" but I'd rather have it hit somewhere where. In the Load Balancer settings the "edit health check" is greyed out and I'm not ...
- 185
1
vote
1
answer
1k
views
AWS ELB Route 53 to my bluehost domain?
Currently I'm trying to put SSL on my EC2 Instance using Load balancer & Route 53 for my BlueHost Domain
As of now I have working Load balancer
https://adthrone-loadbalancer-1188159040.us-west-2....
- 275
3
votes
2
answers
565
views
iptables rule not working with AWS NLB and Elastic IP, works using EC2 Instance public IP
I'm at a bit of a loss.
First some context: I've got an AWS EC2 Instance behind an NLB. The NLB is using an Elastic IP. The EC2 Instance is running a DNS server and listening on UDP and TCP 53. The ...
- 61
6
votes
3
answers
33k
views
Troubleshooting HTTPS on AWS ALB: Target Group Health Check Failing
I'm having trouble setting up HTTPS for my AWS EC2 instance. In short, I'm running a program on an EC2 instance, and it's critical that I be able to transfer the data securely from clients to AWS.
...
2
votes
1
answer
246
views
Failed to connect instance with ALB
I'm trying to build a system like this one:
I can't connect to the Instance in private public through ALB. I checked my cloudformation code several times and still couldn't find problem. Please help ...
- 53
2
votes
1
answer
1k
views
Can a EC2 in the private subnet sends traffic to the internet through ELB without using NAT gateway/instance?
I would like to build a test platform just like the picture. In order to make it simple, I want to let the private EC2 outbound the responses to the ELB, and through ELB the responses get to the users....
- 53
0
votes
1
answer
4k
views
how does elb distribute the traffc to private subnet though public subnet
I just start to learning AWS for a few days. I'm confusing about the way ELB distribute the traffic which from the internet. For example, if I have four ec2, two in the public subnet and others in the ...
- 53
1
vote
0
answers
99
views
How to authenticate EC2 instance with AWS ALB?
AWS Application Load Balancers (ALB) support authentication: https://aws.amazon.com/blogs/aws/built-in-authentication-in-alb/.
The documentation talks about human users - users arriving at the ALB ...
- 293
5
votes
1
answer
3k
views
EC2 VPC Intermittent outbound connection timeouts
My production web service consists of:
Auto-scaling group
Network loadbalancer (ELB)
2x EC2 instances as web servers
This configuration was running fine until yesterday when one of the EC2 instances ...
- 121
1
vote
1
answer
390
views
AWS system failing on HEAD request but hardly on GET requests on stress test
I'm running a stress test with Locust on:
c4.xlarge (attacker has c4.4xlarge)
1 instance
amazonlinux 2017.03
The load balancer is:
classic type
internet-facing
stickiness is disabled for both 80 &...
- 121
2
votes
1
answer
4k
views
Why is my autoscaling group instance unhealthy?
I'm noticing a very strange issue with an AWS auto-scaling group.
Instances are being reported (incorrectly) as being unhealthy. The instances are then being terminated and replaced unnecessarily. ...
- 405
1
vote
1
answer
241
views
Elastic Load Balancer Solution for multiple apps in different ec2 within same AZ
I have three application one frontend in react, loopback api app and another one Blockchain api. if i have to deploy three apps in three different EC2 in same AZ. What will be the best way to set up ...
