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Actiontec DSL Modem User Manual
DMZ hosting is used to support online gaming and Internet conferencing services.
These programs usually require multiple open ports, making the network acces-
sible from the Internet. DMZ hosting symbolically places the DMZ host computer
outside of the Modem’s network. We recommend activating DMZ hosting only as
long as necessary.
When finished with this screen, click Apply to save the changes.
M
Warning: The DMZ Host computer will be vulnerable to com-
puter hackers on the Internet while in DMZ mode.
NAT (Network Address Translation)
Selecting NAT in the “Security” screen generates the “NAT” screen. The Modem’s
basic firewall security is based on NAT. Disabling NAT allows the computers con-
nected to the Modem to be accessed by outside parties, and can cause the loss of
Internet connectivity. Do not turn NAT off unless instructed to do so by the ISP.
When finished, click Apply to save the changes.
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