google cloud open port

To open a port in Google Cloud using C language, you can follow these steps:

1. Use the Google Cloud Platform Console to navigate to the VM instances page.
2. Click on the name of the VM instance where you want to open the port.
3. Click the "Edit" button at the top of the page.
4. In the "Firewall" section, locate the "Network tags" field and add a network tag to the instance, for example, "allow-http".
5. Save the changes to apply the network tag to the VM instance.
6. Go to the VPC network page and click on "Firewall rules".
7. Click "Create Firewall Rule" and fill in the necessary details, such as name, network, priority, direction, action on match, targets, and source filter.
8. Under "Protocols and ports", select "Specified protocols and ports" and enter the port number you want to open, for example, 80 for HTTP.
9. Save the changes to create the firewall rule and open the specified port.