Google cloud platform as open ports?

Good day tell me how to open ports Google cloud platform punched. https://www.youtube.com/watch?v=JmjqPpQdtW8 helped port 7775 app is closed.
June 3rd 19 at 19:35
1 answer
June 3rd 19 at 19:37
The official specification is very detailed: https://cloud.google.com/vpc/docs/using-firewalls (example 3).

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