Monitor data flow, set access rules for applications. To specify additional security settings, click Firewall Options and do any of the following:Īllow only specified apps and services to connect: Click the Add button, then select the app or service in the dialogue that appears.Īllow only essential apps and services to connect: Select the “Block all incoming connections” tickbox.Īutomatically allow built-in software to receive incoming connections: Select the “Automatically allow built-in software to receive incoming connections” tickbox.Īutomatically allow downloaded signed software to receive incoming connections: Select the “Automatically allow downloaded signed software to receive incoming connections” tickbox.Įnable stealth mode to make it more difficult for hackers and malware to find your Mac: Select “Enable stealth mode”. Safeguard your network and secure your Internet traffic with firewall software. Providing comprehensive network security solutions for the enterprise, large business and SOHO, Netgate solutions with pfSense Plus software bring together the. If the lock at the bottom left is locked, click it to unlock the preference pane.
On your Mac, choose Apple menu > System Preferences, click Security & Privacy, then click Firewall.