Possible telnet test output for another database and their meaning is listed below:
a) Result when firewall is blocking connection for a IP and port combination: >telnet 20.25.127.140 3306 Trying 20.25.127.140... telnet: Unable to connect to remote host: Connection timed out b) Result when firewall is allowing connections through for IP address and port number but listener on remote host is down: >telnet 20.25.127.140 3306 Trying 20.25.127.140... telnet: Unable to connect to remote host: Connection refused c) Result when firewall is allowing connections through for IP address and port number and listener on remote host is running: >telnet 32.82.12.177 3306 Trying 32.82.12.177... Connected to 32.82.12.177. Escape character is '^]'.