Possible reasons for timeout when trying to access EC2 instance

Question

I cannot SSH into my instance - Operation timed out. What could be the reasons why, and what can I do to resolve it? Rebooting normally takes a long time to take effect, an

Answer 1

I had the same problem and I solved it by adding a rule to the security Groups

Inbound SSH 0.0.0.0/0

Or you can add your IP address only