Gigaset SE565, User Manual

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SIEMENS SE565 Residential Gateway
User’s Guide
Chapter 5 Configuring Security Features
Address Translation
SIEMENS 54
Address Translation
The Address Translation feature provides different methods of keeping individual users/computers hidden
behind a single outward-facing address, while still allowing them to access the Internet and related
applications. If you have more than one available Internet connection interface, they will all be displayed in the
drop-down menu for ease of selection.
To enable and configure the address translation feature:
1. From the Security Options page, select the Address Translation button. This displays the Address
Translation (NAT/NAPT) page.
2. Select an interface from the Select Interface drop-down menu.
3. Select one of the following options:
•
Use no address translation
Disables address translation.
•
Address Translation (NAT)
Uses NAT for address translation. NAT is an Internet standard that allows a LAN to use one set of IP
addresses for internal traffic and a second set for external traffic. This displays the
NAT Address
Configuration page.
•
Port By-Pass (NAPT)
Uses NAPT for address translation. Only TCP, UDP, and ICMP protocols support NAPT. NAPT allows
many devices connected to the gateway access to the Internet while masking the identification of the
internal IP addresses. This displays the
Port By-Bass Configuration page.