Chapter 8 Network Address Translation (NAT)

 

Table 40 NAT > Port Triggering > Add

 

LABEL

DESCRIPTION

 

Open Start

The open port is a port (or a range of ports) that a server on the WAN uses

 

Port

when it sends out a particular service. The P-870HN-51D forwards the

 

 

traffic with this port (or range of ports) to the client computer on the LAN

 

 

that requested the service.

 

 

Type a port number or the starting port number in a range of port numbers.

 

 

 

 

Open End

Type a port number or the ending port number in a range of port numbers.

 

Port

 

 

 

 

 

Open

Select the transport layer protocol from TCP, UDP, or TCP/UDP.

 

Protocol

 

 

 

 

 

Back

Click Back to return to the previous screen.

 

 

 

 

Apply

Click Apply to save your changes to the P-870HN-51D.

 

 

 

 

Cancel

Click Cancel to begin configuring this screen afresh.

 

 

 

8.5 The DMZ Host Screen

In addition to the servers for specified services, NAT supports a default server IP address. A default server receives packets from ports that are not specified in the NAT Port Forwarding Setup screen.

Figure 67 NAT > DMZ Host

The following table describes the fields in this screen.

Table 41 NAT > DMZ Host

LABEL

DESCRIPTION

Default Server

Enter the IP address of the default server which receives packets from

 

ports that are not specified in the NAT Port Forwarding screen.

 

Note: If you do not assign a Default Server, the P-870HN-51D

 

discards all packets received for ports that are not specified

 

in the NAT Port Forwarding screen.

 

 

Apply

Click Apply to save your changes back to the P-870HN-51D.

 

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P-870HN-51D User’s Guide