```
Value (string):
```
+<enabled/>
<data id="TrackingProtection_Exceptions" value="1https://example.com"/>
```
OMA-URI:
Configure proxy settings. These settings correspond to the connection settings in Firefox preferences.
To specify ports, append them to the hostnames with a colon (:).
+Unless you lock this policy, changes the user already has in place will take effect.
+
`Mode` is the proxy method being used.
`Locked` is whether or not proxy settings can be changed.