I'm trying to SSH to my VM on Compute Engine, for a specific VM I've used for months. When attempting to connect to the VM from terminal I get a timeout error. When trying to connect via SSH-in-browser I get error code 4003 (Reason: failed to connect to backend).
The SSH-in-browser message further goes to say:
Please ensure that:
- your user account has iap.tunnelInstances.accessViaIAP permission
- VM has a firewall rule that allows TCP ingress traffic from the IP range 35.235.240.0/20, port: 22
However all this is enabled. Furthermore, I changed nothing in my account or VM settings, and all the sudden it stopped working.
How can I fix this?
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