Nortel Networks NB5PLUS4/W User Manual

Page of 112
YML754 Rev1 
NB5Plus4/W User Guide
www.netcomm.com.au 
51
getting direct access to LAN computers while still being able to access services 
hosted on the designated DMZ Computer. 
When using NAPT to share your internet connection, LAN computers will still be able 
to access the Internet when the DMZ host is enabled. Any direct communication 
to the WAN port of your Modem that is not a reply to the original NAPT request is 
forwarded to the DMZ host.
Option 
 
Description
Select your WAN 
Con­n­ection­:  
 
Select the connection to which your 
DMZ client is connected to.
Select LAN g­roup:    
Select the LAN group in which you want 
to place the DMZ client.
Select a LAN IP 
Address:  
 
Select the LAN IP address of the DMZ 
client.
LAN Clien­ts:  
 
Click the LAN clients hyperlink to manu-
ally add a LAN client.
Click the Apply button to save the settings.To remove a rule from the Applied Rules 
box, select the Rule and click on the Remove Button.
To save changes, click on Apply.
Advanced Port Forwarding: Creating Custom Rules
Click the Custom Port Forwarding link to setup a custom rule.
If there is no pre-defined Port Forwarding Rule for a particular application, a User 
Rule can be created which defines the required Port(s), Protocol(s) and Internal Port 
forwarding rules.
To create a custom rule you will need to know the specific port number(s) and port 
type [UDP or TCP] that the application requires. These will be the outside port num-