All Questions
44
questions
0
votes
1
answer
733
views
How could I use single elastic IP for multiple instances (AWS)?
What would be best way to achieve such thing:
I have limited amount of elastic ips, and I have bunch on EC2 instances to launch small apps.
I have an idea to have load-balancer or an EC2 instance that ...
- 103
0
votes
1
answer
95
views
Move an Elastic IP from a VPC to Classic EC2
I know it is possible to "Move to VPC Scope", but is it also possible to move back from VPC to Classic EC2?
- 193
1
vote
3
answers
123
views
I want to create multiple publicly accesible applications on AWS but I have limited Elastic IPs. Is there a better solution?
I have multiple web application servers running on different Amazon EC2 instances. At the moment, I am able to access those servers on client devices by assigning an Elastic IP to the EC2 instances ...
- 11
0
votes
1
answer
3k
views
AWS ALB Shows Target Group unhealthy, even though port 80 is open to Internet
I've built an AWS ALB & Target group via Terraform and everything looks correct but the Target Group is reporting unhealthy for HTTP, HTTPS, and TCP. The instance is a t3.nano in us-east-2 and ...
- 221
0
votes
1
answer
89
views
Do you need separate IP addresses for each nameserver for an EC2 webserver?
Do you need separate elastic IP addresses for each nameserver - say NS1, NS2 - for an EC2 webserver?
- 519
0
votes
1
answer
341
views
What latency is incurred by using an AWS Elastic IP?
I have an EC2 instance that runs an application which connects and listens to a third party WebSocket server (also deployed on AWS, using EC2 instances and Elastic Load Balancing to the best of my ...
- 127
0
votes
2
answers
1k
views
Public IPv4 addressing behavior with AWS spot instances
I'm deploying a very resource intensive web scraper, to optimize costs I opted to use AWS Spot Instances knowing the default behavior of IP addresses when dealing with EC2 instances the 1st question ...
- 25
1
vote
1
answer
1k
views
Is it possible to create an Elastic IP address from the current IPv4 address of my ec2 instance?
I currently have an ec2 "t2.nano" instance up and running. I would like to switch to a "t2.micro". In order to do that, I need to stop the instance. But I would lose my IPv4 ...
- 164
2
votes
1
answer
324
views
Trying to allocate elastic ip address leads to Not Found error
I have recently created a new AWS account for deploying some microservices my company uses on here. Our old account was destroyed. The issue is some old component uses a elastic IP that resolved to a ...
- 21
-1
votes
1
answer
124
views
My AWS EC2 VM is not receiving HTTP from an external browser to the elastic IP of my EC2 instance
Problem
Can't browse my web app on my new AWS EC2 VM.
Wireshark on VM, shows a little HTTP activity, but nothing when I browse my URL or its elastic IP from an external browser (at my home office).
...
- 246
7
votes
3
answers
8k
views
AWS Security Group - how to allow Public IP from another Security Group
I have two instances in a VPC distinct security groups, each with their own public IP. I would like instance one to be able to connect to instance two on it's Public IP. I discovered that granting ...
- 79
1
vote
1
answer
2k
views
Not able to connect to ec2 instance after associating elastic ip to it and adding proper security group
I have installed wordpress on my ubuntu16.04 LTS instance of ec2. I was able to connect to it via public DNS. But then I added the Elastic IP to the instance and tried to connect to the instance via ...
- 11
0
votes
1
answer
4k
views
How to setup a static ip address for outgoing traffic in AWS?
I have a number of EC2 instances in 3 availability zones. The application that I'm running on these instances are communicating with multiple third party applications that have a whitelist mechanism. ...
- 123
1
vote
1
answer
1k
views
aws adding elastic IP
I need help with my AWS EC2 Instance. I had one public IP on it, and it worked great. But now I need a second public IP, and for that I activated a Elastic IP and assigned it to the Instance over the ...
- 127
1
vote
1
answer
245
views
Define what EC2 network interface responds as the public ip address
We have an existing EC2 Server 2008 instance in a VPC with an elastic IP associated to the eth0 network interface. We added an additional network interface, eth1, to the instance and this interface ...
- 113