No App Connectivity

None of my third party apps want to connect to the Internet, and tell me they are not connected even though my web browsers (Firefox, Chrome) load just fine.


Examples of apps that wont load:

Outlook

LogMeIn

OneDrive

Apps that have auto update features

Network printers

Etc


Is anyone else having this issue?

I tried Discord this morning and it worked fine.

Accepted Answer

Nevermind - the single app that was killing my connections to the outside world was Little Snitch. Shout out to wooter for this post on how to disable it:


Little Snitch is not compatible.


It will run, and pretty much go to 99% CPU and will kill your network speed.


Open a Terminal window:

sudo rm -R /Library/LaunchAgents/at.obdev.LittleSnitchHelper.plist

sudo rm -R /Library/LaunchAgents/at.obdev.LittleSnitchUIAgent.plist

sudo rm -R /Library/LaunchDaemons/at.obdev.littlesnitchd.plist

sudo rm -R /Applications/Little\ Snitch\ Configuration.app/

sudo rm -R /Library/Little\ Snitch/

sudo killall "Little Snitch Agent"

sudo killall "Little Snitch Daemon"

rather than remove it by hand, there's an uninstaller app in /Library/Little Snitch/

Apparently this software uses kext to work. No wonder it fails with a new kernel. It's like hoping Valgrind to work out of the box.


You can always use pfctl(1) if you're worried about your ongoing connections, no?

Thank you! Fixed the issue completely

Dragging the Little Snitch Configurator to the trash launches the Little Snitch uninstaller too.

No App Connectivity
 
 
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