One problem: Oracle database on another computer remotely is ORA-12170 TNS appears: Connection timed out
After closing the test firewall is properly connected to the mounting machine Oracle. The problem is due to the firewall on the Oracle machine will be 1521 port is disabled, so the cause can not be connected. If you do not want to turn off the firewall normal access can be achieved by configuring the firewall inbound rules.
- Open the Control Panel -> System and Security -> Windows Defender Firewall select Advanced settings -> Inbound Rules -> New Rule
- Default Next
- Inbound rule for a name, can be completed. (It may take some time, after testing the new inbound rule still unable to connect, before they can restart after)
