AC1200 WiFi DSL Modem Router—Essentials Edition Model D6100

6.From the WAN Preference menu, select one of the following options:

Auto-Detect. The modem router automatically detects whether the WAN connection is DSL over the ADLS port or Ethernet over the Internet port. Auto-Detectis the default setting.

Must use DSL WAN. The modem router uses the ADSL port for a DSL WAN connection. The Internet port is shut down.

Must use Ethernet WAN. The modem router uses the Internet port for an Ethernet WAN connection. The ADSL port is shut down.

7.Click the Apply button. Your settings are saved.

Manage the WAN Security Settings

The WAN security settings include port scan protection and denial of service (DoS) protection, which can protect your LAN against attacks such as Syn flood, Smurf Attack, Ping of Death, and many others. By default, DoS protection is disabled and a port scan is rejected.

You can also enable the modem router to respond to a ping to its WAN (Internet) port. This feature allows your modem router to be discovered. Enable this feature only as a diagnostic tool or if a specific reason exists.

To change the default WAN security settings:

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

2.Type 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 > WAN Setup. The WAN Setup screen displays.

6.To enable port scan and DoS protection, clear the Disable Port Scan and DoS Protection check box.

Note: Enabling port scan and DoS protection might affect the performance of the modem router.

7.To enable modem router to respond to a ping, select the Respond to Ping on Internet Port check box.

Manage the WAN and LAN Network Settings

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NETGEAR D6100 user manual Manage the WAN Security Settings,  To change the default WAN security settings