| Plugin Title | Open VNC Server |
| Cloud | |
| Category | VPC Network |
| Description | Determine if TCP port 5900 for VNC Server is open to the public |
| More Info | While some ports such as HTTP and HTTPS are required to be open to the public to function properly, more sensitive services such as VNC Server should be restricted to known IP addresses. |
| GOOGLE Link | https://cloud.google.com/vpc/docs/using-firewalls |
| Recommended Action | Restrict TCP port 5900 to known IP addresses |