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Note: For security, NETGEAR strongly recommends that you avoid using the Default
DMZ Server feature. When a computer is designated as the Default DMZ Server, it loses
much of the protection of the firewall, and is exposed to many exploits from the Internet.
If compromised, the computer can be used to attack your network.
To assign a computer or server to be a Default DMZ server:
Click Default DMZ Server.
1.
Type the IP address for that server.
2.
Click Apply.
3.
Note: In this application, the use of the term "DMZ" has become common, although it is
a misnomer. In traditional firewalls, a DMZ is actually a separate physical network port.
A true DMZ port is for connecting servers that require greater access from the outside,
and will therefore be provided with a different level of security by the firewall. A better
term for our application is Exposed Host.
Respond to Ping on Internet WAN Port
If you want the firewall to respond to a ping from the Internet, click the Respond to Ping on
Internet WAN Port check box. This should only be used as a diagnostic tool, since it allows your
firewall to be discovered. Don't check this box unless you have a specific reason to do so.
How to Configure Dynamic DNS
If your network has a permanently assigned IP address, you can register a domain name and have
that name linked with your IP address by public Domain Name Servers (DNS). However, if your
Internet account uses a dynamically assigned IP address, you will not know in advance what your
IP address will be, and the address can change frequently. In this case, you can use a commercial
dynamic DNS service, which will allow you to register your domain to their IP address, and will
forward traffic directed to your domain to your frequently-changing IP address.
Advanced Configuration
Reference Manual for the ProSafe VPN Firewall FVS114
202-10098-01, April 2005
8-3
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Troubleshooting
