FTP services are initiated by clients and a server can only choose whether to provide services. A server cannot contact a client proactively. FTP services can be disabled in the following ways: 1. You can enable or disable FTP services on storage systems. 2.FTP servers in a DC can enable or disable services. As clients of FTP services, storage systems can decide whether to send a FTP request based on requirements.
For more details, you can see FTP-based File System Access.
