As we learned last week, NAS provides hard disk space that attaches to a data network and works as a file server We took a closer look at FreeNAS — a free open source NAS software that supports CIFS/SB, FTP, NFS, RSYNC SSH, AFP, Unison, UPnP, ISCSI, local and Microsoft Active Directory authentication, SoftRAID, disk encryption, and has a WebGUI interface. If you haven’t already, check out what FreeNAS is all about and learn how to install it in Part 1 of Build Your Own Open Source NAS Device Using FreeNAS.