+Configure your Apple Firewall - ColorTRUEThe steps below are for the Apple Firewall.
- Open your System Preferences
![](http://www.xrite.com/images/support/ColorTRUE/Mac-Firewall-1.png)
- Click "Security & Privacy" icon
![](http://www.xrite.com/images/support/ColorTRUE/Check-Firewall-2.jpg)
- Click on the "Firewall" tab
- Click on the "Firewall Options" button
![](http://www.xrite.com/images/support/ColorTRUE/Check-Firewall-3.jpg)
- Be sure that "Block all incoming connections" is not checked
- Look for "xrdd" in the list, if it is there, make sure it is set to "Allow incoming connections"
- Click "OK" and restart your computer
![](http://www.xrite.com/images/support/ColorTRUE/Check-Firewall-4.jpg)
CLICK HERE to return to the troubleshooter