http://thelazyadmin.com/blogs/thelazyadmin/archive/2005/12/20/Isolating-IIS-FTP-Users.aspxInternet Information Services (IIS) includes an FTP component which can be used to transfer files. If you have multiple FTP users and wish to isolate them from each other you can use FTP Isolation to accomplish this goal. This can be used if you are hostingenCommunityServer 2.1 SP2 (Build: 61129.2)