D-Link User Manual page 79

DSL-224 Wireless VDSL2 Router with ASDL2+ Support
User Manual
Figure 62. The page for creating a new PPPoE connection. The Miscellaneous section.
Parameter
NAT
Firewall
RIP
Ping
Miscellaneous
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.
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Configuring via Web-based Interface
Description