@Anonymousmmitsuda
To resolve any issues with the firewall, try the following suggestion
- Choose > Apple menu > System Preferences, then click Security & Privacy
- Click on the lock icon to unlock it, then type an administrator name and password
- Choose Firewall and click Firewall Options
- Drag the following .app files from a Finder Window to the List of applications in the Firewall Options
For Autodesk Fusion 360 version:
~/Library/Application Support/Autodesk/webdeploy/production/<Application ID***>/
***Note the Application ID will change with each version of Fusion 360
Autodesk Fusion 360.app
Fusion360Connection.app
NLauncher.app
NLauncherConfigurer.app
For Mac Apple Store Fusion 360 version:
~/Library/Application Support/Autodesk/webdeploy/production/<Application ID***>/
***Note the Application ID will change with each version of Fusion 360
Fusion360Connection.app
NLauncher.app
NLauncherConfigurer.app
~/Applications
Fusion 360.app

- All app files should have “Allow incoming connection” next to them
- Select OK and then Lock the settings
- Re-Test Fusion 360 and see if the behavior has changed.
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BHurley
Autodesk, Inc.