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Zhone 6381-a4-200 Guia Do Utilizador

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6381-A4 Router Users Guide
 67 
Custom Port Forwarding 
The Custom Port Forwarding page allows you to create up to 15 custom port forwarding entries to 
support specific services or applications, such as concurrent NAT/NAPT operations. 
 
1. 
On the Port Forwarding page, click the Custom Port Forwarding link. 
2. 
Select the connection to which the Custom Port Forwarding rule will be applied. 
3. 
Set the appropriate Protocol, Source IP Address, Source Netmask, Destination IP 
Address, Destination Netmask, Destination Port Start, Destination Port End and 
Destination Port Map as described below/ 
Custom Port Forwarding Fields: 
Connection 
Select the WAN connection on which the Custom Port Forwarding rule 
is to be applied. 
Enable 
The Enable button is checked by default, meaning this rule is 
automatically applied when you click the Apply button. 
Application 
Name of the application for which your ports will be opened. 
Protocol 
There are three options available: TCP, UDP, and TCP and UDP. 
Source IP Address 
You can define the source IP address from which the incoming traffic 
is allowed. Enter 0.0.0.0 for all. 
Source Netmask 
Netmask of the source IP address. Enter 255.255.255.255 for all. 
Destination IP Address 
The LAN-side destination IP address for incoming traffic. 
Destination Netmask 
The LAN-side destination netmask for incoming traffic. The default 
value of this field is 255.255.255.255. 
Destination Port Start 
The starting port number that is to be opened for this application.
 
Destination Port End 
The ending port number that is to be opened for this application. 
Destination Port Map 
Destination port mapped on the LAN (destination) side to which 
packets are forwarded. There are two types of port mapping: 
• 
One-to-one (one port mapped to one)