Alibaba > ECS >

Open VNC Server

MEDIUM

Source

CloudSploit

open-vnc-server

management console

Open VNC Server

Ensure that security groups does not have TCP port 5900 for VNC Server open to the public.

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.

Recommended Actions

Restrict TCP port 5900 to known IP addresses

Links

https://www.alibabacloud.com/help/doc-detail/25471.htm

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