D-Link DIR-620 User Manual page 35

DIR-620 Multifunction Wireless Router Supporting WiMAX, 3G GSM/CDMA
with Built-in Switch
User Manual
Parameter
Interface
NAT
Firewall
When all needed settings are configured, click the Save button.
The name assigned to the connection by the system.
Miscellaneous
Select the checkbox if you want one WAN IP address to be used for
all computers of your LAN.
Select the checkbox to enable protection against ARP and DDoS
attacks.
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Configuring via Web-based Interface
Description