pppd

Network configuration daemon — manages system network settings and connectivity

Configures and monitors network interfaces, routes, and connectivity status across the system. Communicates with hardware drivers to control network adapters and reads/writes network settings to system configuration stores. Accesses Keychain for stored network credentials and certificates needed for secure connections. Exposes an XPC service for system clients to query and modify network configuration. Monitors network reachability and reports connectivity status to other system services.AI