This document describes how to resolve login failures if the CVM is isolated from the public network.
The CVM may have been isolated because it violates current laws and regulations. You can use the following methods to check whether the CVM is isolated.
When a regulation violation or risk event occurs for a CVM, the offending machine will be partially isolated (except for the private network login port 22, 36000, and 3389, all network access will be isolated. Developers can use a jump server to log in to the server.
For details, see [Cloud Security Violation Levels Classification and Penalties Description].