Wired Network: Disable Internet Sharing for Mac OS X

    1. Click the Apple menu and select System Preferences.

      Apple menu

 

    1. In the Internet & Network section, double-click the Sharing icon.

      Sharing icon

 

  1. In the left-hand menu you will see a list of services. If the checkbox next to Internet Sharing is checked, uncheck it. This will disable Internet Sharing. If it is not checked, Internet Sharing is already disabled and no action is required.

    Internet Sharing check box

     

  2. Close System Preferences