Building the network extension =============================== - Install Xcode. - Open in Xcode the project nfsdk/extension/nfsdk.installer.xcodeproj. - On Signing & Capabilities tab specify the required signing settings, similarly for each target. - Build the target nfsdk.installer with required project configuration. The result is saved to nfsdk/extension/DerivedData/nfsdk.installer/Build/Products//nfsdk.installer.app The application includes main process that loads/unloads the contained network extension.