Firewa ll issues
Your Mac’s firewall shouldn’t be problematic. If an app is having trouble, try System Prefs > Security & Privacy > Firewall, unlock the pane, click Firewall Options and check the app can receive incoming connections.
Your Mac’s firewall shouldn’t be problematic. If an app is having trouble, try System Prefs > Security & Privacy > Firewall, unlock the pane, click Firewall Options and check the app can receive incoming connections.