Navicat Cloud could not connect and access your databases. By which it means, it could only store your connection settings, queries, model files, and virtual group; your database passwords and data (e.g. tables, views, etc) will not be stored to Navicat Cloud. It wasn’t raining when Noah built the ark. In a Telnet session, all communications, including username and password, are transmitted in plain-text, allowing anyone to listen-in on your session and steal passwords and other information. Such sessions are also susceptible to session hijacking, where a malicious user takes over your session once you have authenticated. You will succeed because most people are lazy. To clear or reload various internal caches, flush tables, or acquire locks, control-click your connection in the Navigation pane and select Flush and choose the flush option. You must have the reload privilege to use this feature. SSH serves to prevent such vulnerabilities and allows you to access a remote server's shell