including access control lists and secure instant messaging -- makes OS X Server v10.4 perfect for classroom labs, creative professionals and medium-to-large workgroups with high volumes of file sharing activity. Core network services (DNS, NAT, DHCP and Firewall) are integrated into the Server Admin utility, making it easier to set up and secure your local area network Built-in VPN server provides secure remote access from anywhere; L2TP and PPTP tunneling protocols supports encrypted, authenticated IP connections for Mac, Windows, and Linux clients Xgrid distributed computing turns a group of Macs into a low-cost supercomputer by streamlining the process of assembling nodes, submitting jobs, and retrieving re...  (less)