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7004VBR – Manual
29
o Discard Ping from WAN: When this feature is enabled, any host on the WAN
cannot ping this product. This helps avoid unnecessary attacks from the WAN side
because your connection is invisible. It is recommended that you enable this option
for security.
o VPN Pass-through: Enable this option if you are using a PPTP, L2TP or IPSec VPN
connection.
o Email Alert: Configure this option if you want the Barricade to email when hackers
attempt to attack your network to a specific email address. You will need to
configure your email address, username and password, as well as a SMTP server to
send the mail through.
• DMZ (Demilitarized Zone)
If you have a client PC that cannot run an Internet application properly from behind the
firewall, then you can open the client PC up to unrestricted two-way Internet access. Enter
the LAN IP address of a DMZ host and click “Enable”.
NOTE: Adding a client to the DMZ (Demilitarized Zone) may expose your local network to a
variety of security risks. Only use this option as a last resort.
6.2.6 | DDNS (Dynamic DNS)
The Barricade has an integrated Dynamic DNS feature that provides users on the Internet a method
to tie their domain name(s) to computers or servers. DDNS allows your domain name to follow your
IP address automatically by having your DNS records changed when your IP address changes.
The section also has a “Server Configuration” section that automatically opens the port options
checked in the Virtual Server section. Simply enter in the IP Address of your server, such as a web
server, and then click on the port option HTTP Port 80 so users can access your server from the WAN
connection (Internet).
6.2.7 | UPnP
The Barricade supports UPnP (Universal Plug and Play), a networking architecture that provides
compatibility amongst networking equipment. This feature allows an UPnP based operating system,
like Windows XP to automatically communicate with the Barricade and open the required services
when needed.