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For example, Cisco have added the -deactivateExt argument to the app to deactivate it: % sudo /Applications/Cisco/Cisco\ An圜onnect\ Socket\ Filter.app/Contents/MacOS/Cisco\ An圜onnect\ Socket\ Filter -deactivateExt

It is also apparent that developers can build in the deactivation of the System Extension into their application, which allows it to be removed on reboot. Hopefully this will be resolved soon, as promised in the dialog. Please remember to re-enable System Integrity Protection! This limitation will be removed in the near future. There is a command for uninstalling System Extensions, but it currently requires that SIP is disabled: % systemextensionsctl uninstall DE8Y96K9QPĪt this time, this tool cannot be used if System Integrity Protection is enabled. If you delete the associated application, the System Extension will remain activated. If a System Extension has been enabled, it cannot be deleted using a command like rm. * * DE8Y96K9QP .acsockext (7/7) Cisco An圜onnect Socket Filter Extension _work_extensionĮnabled active teamID bundleID (version) name In Terminal, you can see the status of the installed System Extension using the command systemextensionsctl list: % systemextensionsctl list

Inside this app you will see the system extension bundle itself, inside Contents/Library/SystemExtensions: They can be bundled within the application with which they are associated (for example Microsoft Defender ATP), or in specific applications along side the main app that deliver the system extension (examples include Sophos Anti-Virus and Cisco An圜onnect).Īs an example, Cisco An圜onnect’s network system extension is delivered via an application called Cisco An圜onnect Socket Filter.app in the same Cisco subfolder in Applications as the main An圜onnect app. Modern System Extensions on macOS are generally installed via an application bundle.