problems connection with putty (ssh)

Question

I can't connect to the VM with putty (ssh protocol), opening it and entering the IP of the instance doesn't say "login" and after a while the message appears that it's not possible to make any connection but until a few days ago I was able to make it. Do I need to carry out some checks? Am I doing something wrong?

Answer

Hi,

I suggest trying to first reach you instance with Instance Connect: see https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/connect-linux-inst-eic.html

You can use this guidance to troubleshoot: https://repost.aws/knowledge-center/ec2-instance-connect-troubleshooting

When it works with IC, you will probably have solved your current putty issue with same fix.

Best,

Didier

Answer

Check to see if the security group rules allow traffic from port 22. Timeout issues are usually a result of security group rules.

Security groups documentation:
- https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-security-groups.html
- https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/security-group-rules.html
- https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/security-group-rules-reference.html

problems connection with putty (ssh)

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