D-Link DSL-2640U User Manual page 88

DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support
User Manual
Figure 68. The page for creating a new
Parameter
NAT
Firewall
RIP
Ping
PPPoE IPv6
Miscellaneous
For the PPPoE Dual Stack type only.
If the switch is moved to the right, the network address translation
function is enabled. Do not disable the function unless your ISP
requires this.
If the switch is moved to the right, protection against external
connections for the LAN devices is enabled (for example, against
attempts to get information about the LAN devices or to hack a
device from the LAN). For security reasons, it is recommended not
to disable this function.
Move the switch to the right to allow using RIP for this connection.
If the switch is moved to the right, the router responds to ping
requests from the external network through this connection. For
security reasons, it is recommended to disable this function.
Page 88 of 174
Configuring via Web-based Interface
connection. The Miscellaneous section.
Description