ZyXEL Communications ZYWALL 35 - Applications for the Zywall; Secure Broadband Internet Access Via Cable or DSL Modem; VPN Application; Figure 1 Secure Internet Access Via Cable, DSL or Wireless Modem

Chapter 1 Getting to Know Your ZyWALL
ZyWALL 5/35/70 Series User’s Guide
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• Back up the configuration (and make sure you know how to restore it). Restoring an
earlier working configuration may be useful if the device becomes unstable or even
crashes. If you forget your password, you will have to reset the ZyWALL to its factory
default settings. If you backed up an earlier configuration file, you would not have to
totally re-configure the ZyWALL. You could simply restore your last configuration.
1.5 Applications for the ZyWALL
Here are some examples of what you can do with your ZyWALL.
1.5.1 Secure Broadband Internet Access via Cable or DSL Modem
You can connect a cable modem, DSL or wireless modem to the ZyWALL for broadband
Internet access via an Ethernet or wireless port on the modem. The ZyWALL guarantees not
only high speed Internet access, but secure internal network protection and traffic management
as well.
Figure 1 Secure Internet Access via Cable, DSL or Wireless Modem
1.5.2 VPN Application
ZyWALL VPN is an ideal cost-effective way to securely connect branch offices, business
partners and telecommuters over the Internet without the need (and expense) for leased lines
between sites.
Figure 2 VPN Application
DMZ
LAN
WAN