How To Open a Port On Mac?
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1. First, open the System Preferences app.
2. Select the Security & Privacy option.
3. Select the Firewall tab.
4. Click the lock icon in the bottom left corner and enter your administrator password.
5. Click the Firewall Options button.
6. Select the “Allow incoming connections” radio button.
7. Select the specific application you want to open the port for in the list.
8. Select the “Enable specific services and applications” checkbox.
9. Enter the port number you want to open in the “Port Name or Number” field.
10. Click the “+” button to add the port to the list.
11. Click OK to save your changes.
12. Click the lock icon again to prevent further changes.