Now that you've made an account on the forums you can go ahead and set your privacy settings. You can choose to keep your settings default (all visitors) or you can customize them to your liking. It's really easy to do so, just follow the instructions below.
Sign into your account. Then at the top hover over your username. A drop down menu will come down, and you want to click on the "Privacy" tab. It will then bring you to the privacy page where you can customize your privacy settings.
Now that you are at the privacy page, click the drop down menu's to select the privacy settings you would like:
People You Follow Only
After you have chosen your settings, click the save bottom at the bottom and you are all done! You can come back and change these settings at any time!