How to access Oracle database over network?

Question

I am trying to accessing my Oracle database over Network. I have Google a lot and found many solutions, but those doesn\'t work for me.

The problem is

Answer 1

If your host name and port number is listener then You could try this option by enabling port number in firewall settings.

Opening Ports in Windows Firewall

• Open the Control Panel. ...
• Open Windows Firewall. ...
• Click the Advanced Settings link. ...
• Select "Inbound Rules". ...
• Create "New Rule" under "Inbound Rules". ...
• Select "Port" from the first screen of the wizard. ...
• Choose TCP or UDP. ...
• Enter in the port range. ...
• Finish the wizard.