Prestige 334W User’s Guide
xii
Table of Contents
SUA/NAT and Static Route
..........................................................................................................................
III
Chapter 10 Network Address Translation (NAT) Screens
.......................................................................
10-1
10.1
NAT Overview
.........................................................................................................................
10-1
10.1.1
NAT Definitions
...................................................................................................................
10-1
10.1.2
What NAT Does
...................................................................................................................
10-2
10.1.3
How NAT Works
..................................................................................................................
10-2
10.1.4
NAT Application
..................................................................................................................
10-3
10.1.5
NAT Mapping Types
............................................................................................................
10-4
10.2
Using NAT
...............................................................................................................................
10-6
10.2.1
SUA (Single User Account) Versus NAT
............................................................................
10-6
10.3
SUA Server
..............................................................................................................................
10-6
10.3.1
Port Forwarding: Services and Port Numbers
.......................................................................
10-6
10.3.2
Configuring Servers Behind SUA (Example)
.......................................................................
10-7
10.4
Configuring SUA Server
.........................................................................................................
10-8
10.5
Configuring Address Mapping
.............................................................................................
10-10
10.6
Trigger Port Forwarding
......................................................................................................
10-13
10.6.1
Trigger Port Forwarding Example
......................................................................................
10-14
10.6.2
Two Points To Remember About Trigger Ports
.................................................................
10-14
10.7
Configuring Trigger Port Forwarding
................................................................................
10-14
Chapter 11 Static Route Screens
................................................................................................................
11-1
11.1
Static Route Overview
................................................................................................................
11-1
11.2
Configuring IP Static Route
.......................................................................................................
11-1
11.2.1
Configuring Route Entry
.......................................................................................................
11-2
UPnP and Firewall
.........................................................................................................................................
IV
Chapter 12 UPnP
........................................................................................................................................
12-1
12.1
Universal Plug and Play Overview
........................................................................................
12-1
12.1.1
How Do I Know If I'm Using UPnP?
...................................................................................
12-1
12.1.2
NAT Traversal
......................................................................................................................
12-1
12.1.3
Cautions with UPnP
..............................................................................................................
12-2
12.2
UPnP and ZyXEL
...................................................................................................................
12-2
12.3
Configuring UPnP
...................................................................................................................
12-2
12.4
Installing UPnP in Windows Example
..................................................................................
12-4
12.4.1
Installing UPnP in Windows Me
..........................................................................................
12-4
12.4.2
Installing UPnP in Windows XP
...........................................................................................
12-4
12.5
Using UPnP in Windows XP Example
...................................................................................
12-6
12.5.1
Auto-discover Your UPnP-enabled Network Device
...........................................................
12-6
12.5.2
Web Configurator Easy Access
............................................................................................
12-8
Chapter 13 Firewall
....................................................................................................................................
13-1
13.1
Introduction
.............................................................................................................................
13-1
13.1.1
Guidelines For Enhancing Security With Your Firewall
......................................................
13-2
13.2
Firewall Settings Screen
.........................................................................................................
13-3