SSH Connection Troubleshooting on Google Cloud

I'm struggling with firewall interference when trying to establish an SSH connection to my Linux VM on Google Cloud. I've attempted to address this by reviewing the firewall rules on the Google Cloud Platform and ensuring the SSH service is functioning correctly on the VM.

However, these efforts have been to no avail, so I'm seeking an expert who can successfully troubleshoot this issue. Skills in SSH connection establishment, proficiency in working with Linux-based VMs, and prior experience with Google Cloud's firewall setup will be key for successful troubleshooting.

Connection via Cloud Identity-Aware Proxy Failed
Code: 4003
Reason: failed to connect to backend

Connection to VM is blocked by firewall.
Please ensure that:
- VM has a firewall rule that allows TCP ingress traffic from the IP range 35.number.240.0/20, port: 22

You may be able to connect without using the Cloud Identity-Aware Proxy.