Dmz - D-Link DSL-2740E User Manual

Section 4 – Troubleshooting
Port Trigger
Choose ADVANCED > Port Trigger The page shown in the right figure appears.
Some applications require that specific ports in the Router's firewall be opened
for access by the remote parties. Port Trigger dynamically opens up the "Relate
Port" in the firewall when an application on the LAN initiates a TCP/UDP
connection to a remote party using the "Match Port". The Router allows the
remote party from the WAN side to establish new connections back to the
application on the LAN side using the "Relate Port".
Entries in this table are used to restrict certain types of data packets from your
local network to Internet through the Gateway. Use of such filters can be helpful
in securing or restricting your local network.

DMZ

DMZ is the abbreviation of the Demilitarized Zone. Since some applications are
not compatible with NAT, the device supports the use of a DMZ IP address for a
single host on the LAN. This IP address is not protected by NAT and it is visible
to agents on the Internet with the correct type of software. Note that any client
PC in the DMZ is exposed to various types of security risks. If you use the DMZ,
take measures (such as client-based virus protection) to protect the remaining
client PCs on your LAN from possible contamination through DMZ.
Choose ADVANCED > DMZ. The page shown in the right figure appears.
Input the host IP address. And Click Apply Changes to save the settings.
D-Link DSL-2740E User Manual 30