Filter and Firewall
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A Demilitarized Zone (DMZ) is a network attached to an internetworking device on
the border of a "trusted" and "untrusted" zones. This network typically comprises
the servers and related network resources that need exposure to the "untrusted"
zone without compromising security of a "trusted" zone.
A DMZ creates a buffer space between the Internet and the private network which
is accessed by both Internet and the internal network. A DMZ typically contains
the following:
•
Web Server
•
Mail Server
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Application Gateway
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E-Commerce Systems
Example of systems to place on a DMZ include Web servers and FTP servers.
Figure 22: Three - Zone Network Topology
Содержание OmniAccess 700
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