D-Link DI-514 - Manual (Page 32)

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Block WAN Ping - When you “Block WAN Ping”, the DI-514 will not respond
to ping commands from the Internet. Pinging public WAN IP addresses is a
common method used by hackers to test whether your WAN IP address is
valid.
Discard PING from WAN side: By enabling this option, the DI-514 will not
reply to ping (ICMP) request packets from the Internet.
VPN Pass-Through - The Broadband Router supports VPN (Virtual Private
Network) pass-through for both PPTP (Point-to-Point Tunneling Protocol)
and IPSec (IP Security). Once VPN pass-through is enabled, there is no
need to open up virtual services. Multiple VPN connections can be made
through the Broadband Router. This is useful when you have many VPN
clients on the LAN network.
Dynamic DNS - Fill in the required fields to use the Dynamic Domain Server
feature.
Status > Device Info
Device Information
This page in the
Configuration Utility
displays the current
information for the
Broadband Router. It will
display the LAN and WAN,
Wireless information.
If your WAN connection is
set up for Dynamic IP
address a Release button
and Renew button will be
displayed. Use Release to
disconnect from your ISP
and use Renew to connect
to your ISP.
If your WAN connection is set up for PPPoE, a Connect button and
Disconnect button will be displayed. Use Disconnect to drop the PPPoE
connection and use Connect to establish the PPPoE connection.
This page allows you to observe the DI-514’s working status: