
Then run systemextensionsctl uninstall DE8Y96K9QP .acsockextĤ) Only reset System Extensions container as a last resort as it can make other apps to break. List extension and match it on next command with systemextensionsctl list command

Any of them will fix the issue as well but you will need to disable SIP on macOS before to run command to unload SE. It's usually Cisco An圜onnect Socket Filter App and it have its own uninstaller.ģ) You can unload the System Extension related to this app manually. I've run in 1 day into all the stages of troubleshooting and I think I can drop some light with all the findings so if anyone else end up here don't feel lost.ġ) Cisco Anyconnect doesn't require Socket Filters to run VPN properly, so the first thing to understand is that you can perfectly decline System/Network Extension prompt on macOS, and avoid any issue related.Ģ) When you see that the Socket Filter is running (green), that means that app behind is still running.

By coincidence I've been facing internal DNS resolution issues since Cisco An圜onnect (along with Socket Filters) was enforced to my Mac, and I ended up here.
