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Figure 2 Example Network Using a Cable/DSL Secure Gateway
Cable/DSL Secure Gateway Advantages
The advantages of using a Gateway include:
■Shared Internet connection.
■No need for a dedicated, “always on” computer serving as
your Internet connection.
■Cross-platform operation for compatibility with Windows,
Unix and Macintosh computers.
■Easy-to-use, Web-based setup and configuration.
■Provides centralization of all network address settings (DHCP).
■Provides Virtual Server redirection to enable remote access to
Web, FTP, and other services on your network
■Provides firewall protection against Internet hacker attacks.
■Implements Stateful Packet Inspection to block network
intrusions.
■Blocks Denial of Service attacks by using pattern detection.
■Supports Virtual Private Networks (VPNs).
■Initiates and terminates IPSec connections.
■Terminates PPTP and L2TP over IPSec connections.
■Provides hardware accelerated encryption for IPSec VPNs,
including L2TP over IPSec.
Internet
Your existing
Cable/DSL
Modem
OfficeConnect
Cable/DSL Secure Gateway
OfficeConnect
Switch
dua08569-5aaa02.boo k Pag e 10 Thursday, Novem b er 7, 2002 3:09 PM