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24 Chapter 1 Mac OS X Server in Action
Small and Medium Businesses
Small businesses (fewer than 100 employees) and medium businesses (about 100 to
500 employees) benefit from cross-platform file and printer sharing, network services,
mail, web, and database applications.
The directory and network services in the following picture reside on one Mac OS X
Server, while a second server hosts mail, web, and other employee productivity
services. In small businesses, all services might reside on a single server.
• The firewall between Mac OS X Server and the Internet protects the company
intranet from access by unauthorized users.
• An authoritative DNS server hosted by another company provides domain name
(example.com) resolution, while DNS services on Mac OS X Server provide names for
the intranet devices (such as printers and client computers) that have static IP
addresses.
• DHCP services provide dynamic IP addresses to some of the Macintosh and Windows
clients.
• VPN service lets employees access the intranet to use mail, file, and other services
when they are away from the office. Like all the other services shown, VPN supports
both Macintosh and Windows clients.
Mail, web,
file, print, and
application services
The Internet
Windows clients Mac OS X clients
Open Directory,
DNS, DHCP,
VPN, NAT, and IP
firewall services
Firewall
Authoritative
DNS server
Mac OS X
client
Mac OS X Server
Mac OS X server
VPN
DSL/cable
LL2343.Book Page 24 Thursday, August 14, 2003 5:12 PM