In Mac OS X Server 10.6 Snow Leopard: DNS and Network Services, instructor Sean Colins introduces the networking services available in Snow Leopard Server. This course covers setting up a DNS server to provide network resources, using firewalls to protect systems against intrusion and to route traffic, using DHCP to automatically configure network settings for computers when they join a network, and accessing a network securely via a remote VPN (virtual private network) connection.