Unable to Connect to AWS EC2

Question

I am not being able to ssh to EC2 instances in any location! Whenever I try to connect I have been shown unable to connect, whether using the aws console or by using Windows cmd! Amazon EC2 AWS Command Line Interface, Compute, Linux Provisioning, Network and Content Delivery!

Answer

There may be few reasons

* The security group or network ACL doesn't allow access.
* There's a firewall on the instance's operating system.
* There's a firewall between the client and the server.
* The host doesn't exist.

Please find following resources for troubleshooting

1. https://aws.amazon.com/premiumsupport/knowledge-center/ec2-linux-ssh-troubleshooting/
2. https://aws.amazon.com/premiumsupport/knowledge-center/ec2-linux-resolve-ssh-connection-errors/

Unable to Connect to AWS EC2

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