This allows you to instantly modify permissions associated with specific directories you have created.
You have the option of selecting the following:
Normal default setting for ASP, ASP.NET, PHP as well as regular HTML pages.
Setting used for uploads, image galleries, document sharing folders, etc.
Database Directory:      
Setting for MS Access databases. Also allows OS to write to the
database; however disables anonymous access so no one is able to
download your database without administrative permission.
Password Protected:
Setting which prompts visitors for a password.