NetBarrier by Intego Inc. is a two-way firewall for Mac, providing intelligent inbound and outbound protection for Wi-Fi and wired networks. It blocks unsolicited connections, keeping intruders out of your Mac. NetBarrier protects both inbound and outbound network traffic and automatically switches to the appropriate firewall setting based on your location. It identifies untrusted devices attempting to access your Mac, allowing you to control access. NetBarrier is easy to use and configure, allowing customization of rules and settings for public or private networks. It helps prevent apps from leaking private data and can block connections to specific domains without sacrificing features. NetBarrier is compatible with macOS High Sierra (10.13) or later, including macOS Sonoma (14.x).