Netgear AC1600 User Manual download pdf (Page 207)

Manage the WAN and LAN Network Settings

207

AC1600 WiFi VDSL/ADSL Modem Router Model D6400

Manage NAT Filtering

Network Address Translation (NAT) determines how the modem router processes inbound

traffic. Secured NAT protects computers on the LAN from attacks from the Internet but might

prevent some Internet games, point-to-point applications, or multimedia applications from

working. Open NAT provides a much less secured firewall but allows almost all Internet

applications to work. Secured NAT is the default setting.

 To change the default NAT filtering settings:

1. Launch an Internet browser from a computer or WiFi device that is connected to the

network.

2. T

ype http://www

.routerlogin.net.

A login screen displays.

3. Enter the user name and password for the modem router.

The user name is admin.

The default password is

password. The user name and

password are case-sensitive.

4. Click the OK button.

The BASIC Home screen displays.

5. Select ADVANCED > Setup > W

AN Setup.

The WAN Setup screen displays.

6. Select a NAT Filtering radio button:

• Secured

. Provides a secured firewall to protect the computers on the LAN from

attacks from the Internet but might prevent some Internet games, point-to-point

applications, or multimedia applications from functioning. By default, the Secured

radio button is selected.

• Open. Provides a much less secured firewall but allows almost all Internet

applications to function.

7. Click the Apply button.

Your settings are saved.

Manage the SIP Application-Level Gateway

The application-level gateway (ALG) for the Session Initiation Protocol (SIP) is enabled by

default for enhanced address and port translation. However, some types of VoIP and video

traffic might not work well when the SIP ALG is enabled. For this reason, the modem router

provides the option to disable the SIP ALG.

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Netgear AC1600 User Manual Page 207