Dmz (demilitarized zone) host – Verizon MI424WR User Manual

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Chapter 6 Configuring the Router’s Security

5. To select a port to forward communications to (this is optional), select Specify

from the “Forward to Port” drop-down list, then, in the text box that appears,
enter the port number. If no port is identified, select Same as Incoming Port.

6. If this port will be active all the time, select Always from the “When should this

rule occur?” drop-down list. If the rule will only be active at certain times, select
User Defined and click Add. Then, add a schedule rule (for more details about
schedule rules, see the “Advanced Settings” chapter of this manual).

7. Click Apply to save the changes.

How many computers can use a service or play a game simultaneously? The
answer may be a bit confusing. All the computers on the network can behave as
clients and use a specific service simultaneously. Being a client means the com-
puter within the network initiates the connection; for example, a computer on the
network can open an

FTP

connection with an

FTP

server on the Internet. But only

one computer on the network can operate as a server and respond to requests from
computers on the Internet (outside the local network).

DMZ (Demilitarized Zone) Host

The

DMZ

host feature allows one device on the network to operate outside the fire-

wall. Designate a

DMZ

host:

s

program, not present in the Port Forwarding list and for which no port
range information is available.

s

"

Warning: A

DMZ

host is not protected by the firewall and may be

vulnerable to attack. Designating a

DMZ

host may also put other

computers in the local network at risk. When designating a

DMZ

host, consider the security implications and protect it if necessary.

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