Using this page, you can set up several parameters related the the WAN connection.
Connect Automatically, as Required
Normally, this option should be Enabled, so that an Internet connection will be made automatically, whenever Internet-bound traffic is detected. If this causes high connection costs, you can disable this setting.
If disabled, you must connect manually, using the sub-screen accessed from the "Connection Status" button on the Status screen.
If you have an "Always on" connection, this setting has no effect.
Disable Port Scan and DOS Protection - The Firewall protects your LAN against Port Scans and Denial of Service (DOS) attacks. This should be disabled only in special circumstances.
Default DMZ Server
Specifying a Default DMZ Server allows you to set up a computer or server that is available to anyone on the Internet for services that you haven't defined. There are security issues with doing this, so only do this if you're willing to risk open access. If you do not assign a Default DMZ Server, the Router discards any incoming service requests which are undefined. This can be a security problem. You shouldn't check this box unless you have a specific reason to do so.
To assign a computer or server to be a DMZ server:
Respond To Ping On Internet Port
If you want the WGM124 to respond to a 'Ping' from the Internet, click this check box. This can be used as a diagnostic tool. This can be a security problem. You shouldn't check this box unless you have a specific reason to do so.
MTU Size
The normal MTU (Maximum Transmit Unit) value for most Ethernet networks is 1500 Bytes, or 1492 Bytes for PPPoE connections. For some ISPs you may need to reduce the MTU. But this is rarely required, and should not be done unless you are sure it is necessary for your ISP connection.
To Apply Or Cancel
Click Apply to update changes to the MTU Size.
Click Cancel to disregard any unsaved changes.