Axesstel MV400 - Manual (Page 47)

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allowed by the Modem.
To modify the service table (i.e. to add, change address or remove clients)
simply enter the correct value and click “Apply”.
Note: You will not be able to delete the MAC address of the computer you are
using to access the Router’s administrative functions (the computer you are
using now).
WAN Setup
Clicking on the header of the “WAN Setup” tab will take you to the “WAN Setup”
header page. From this page, the Modem’s DMZ, Internet Ping and HTTP can
be enabled or disabled.
Enabling the Demilitarized Zone (DMZ)
The DMZ feature allows you to specify one computer on your network to be
placed outside of the firewall. This may be necessary if the firewall is causing
problems with an application such as a game or video conferencing
application. Use this feature on a temporary basis. The computer in the DMZ
is NOT protected from hacker attacks.
WAN Ping Blocking
Computer hackers use what is known as “pinging” to find potential victims on
the Internet. By pinging a specific IP address and receiving a response from
the IP address, a hacker can determine that something of interest might be
there. The Modem can be set up so it will not respond to an ICMP ping from
the outside. This heightens the level of security of your Modem.