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52
Select Port Forwarding, menu Network, Firewall
In computer networks port forwarding is the process that allows the transfer of data (forwarding) from one
computer to another over a specific communications port. This technique can be used to allow an external user
to reach a host with a private IP address (within a LAN) through a public IP port of the same. To do this you
need a router that can perform an automatic translation of network addresses, known as NAT. The port
forwarding allows external computers to connect to a specific computer on the local network, depending on
the port used for the connection.
Operationally, the user's browser to your PC with a "http:// router IP" access to the configuration options of
the router, in which he states that a synchronization between a port on the router and the corresponding
internal device.
Because the router to recognize your computer, you need to create a static LAN IP address.
By default the rules in the router are:
•
Router: external port 8080
•
Equobox: external port 80
•
FTP Sending: external port 21
•
FTP Command: external port 20
Press Firewall from the menu at the top and then Traffic Rules to set security functions, such as addresses to
be filtered, set HTTP addresses or asymmetric cryptographic protocols to manage the transfer of confidential
information (Figure 65).
In the General Settings area, you will find DMZ Zone, which is a connection between a public address and a
machine address. Remember to select Enable and, if necessary, press Save.
Figure 65 - Traffic Rules
Should you wish to use the SMS service to receive the router status or reboot if from your cell phone, you can
enter your phone number and select the Enable box (Figure 66). You can perform the two operations shown
in the figure by sending a message from your telephone to the number of the board inserted in the router.
