Lightsail instance IP couldn’t be connected from outside

Question

The instance was working since March 2022 with no issues but today its static IP (18.194.135.109) became non-reachable either by me or any external ping services from different locations.

The instance is located in Frankfurt, I have rebooted it, stopped/started but it seems to be a connection issue of the instance. What can I do here?

Answer

Hello.  
Is the load on the Lightsail instance growing?  
Also, have you accidentally configured firewall settings, etc.?  
https://lightsail.aws.amazon.com/ls/docs/en_us/articles/understanding-firewall-and-port-mappings-in-amazon-lightsail

Also, if snapshots are still available, we could take the method of restoring from the snapshots.  
https://lightsail.aws.amazon.com/ls/docs/en_us/articles/lightsail-how-to-create-instance-from-snapshot

Lightsail instance IP couldn’t be connected from outside

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