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SCW001 User Manual
After setting, click Apply to save the settings.
6.9.2 WAN Setup
Choose Security Options > WAN Setup and the WAN Setup page appears.
In this page, you can set a default DMZ server and allow the router to respond to the ping command from
the Internet. Do not use the two functions unless it is necessary because they lead to security risks. DMZ
allows all ports of a PC in your LAN to be exposed to the WAN. Enter the IP address of a PC to set the PC to
a DMZ host, which is not restricted by the firewall any more. In this way, the DMZ host can have mutually
unrestricted communcation with a user or server on the WAN.
The following table describes parameters in this page:
Field
Description
Disable Port Scan and
DOS Protection
This function protects your LAN against DoS attack. Do not disable this firewall
function unless a special situation occurs.
Respond to Ping on
Internet Port
If you want the router to respond to ping commands from the Internet, select the
check box. The ping command can be used for diagnosis. Like a DMZ server, this
function also leads to security risks. Hence, do not select the check box unless it is
necessary.
Disable IGMP Proxy-
ing
IGMP proxy allows a PC in the LAN to receive certain multicast traffics from the
Internet. If you do not want to use IGMP proxy, select the check box to disable
IGMP proxy.
Default DMZ Server
Enter the IP address of a computer or server that serves as a DMZ server.
MTU Size (616~1500
bytes)
The maximum transmission unit. Normally, it is 1500 bytes for most Ethernet
networks, 1492 bytes for PPPoE connection, and 1436 bytes for PPTP connection.
Certain ISPs may require smaller MTU, but this is a rare case. Do not modify the
value of MTU size unless it is necessary for your ISP connection.