Under Mac OS X several internet settings which were available under Mac OS 8 and 9 are still present and are still used by most internet applications, but they are no longer accessible by the user. So if these settings gets corrupt for some reason there's no way to repair them anymore for example. 'MisFox' makes some of the most important internet settings accessible again. These settings are the "file mappings" settings and the "protocol helpers". You can inspect these settings, but you can also edit, delete and create new items.