ZyXEL Communications P-660H-D Series Network Address Translation (NAT) Screens

	P-660R/H-D Series User’s Guide
6.4	Traffic Shaping ...................................................................................................	73
6.5	Zero Configuration Internet Access ....................................................................	74
6.6	The Main WAN Screen ......................................................................................	74
6.7	Configuring WAN Setup ....................................................................................	75
6.8	Traffic Redirect ..................................................................................................	78
6.9	Configuring WAN Backup ..................................................................................	79
Chapter 7
Network Address Translation (NAT) Screens ......................................................		82
7.1	NAT Overview ...................................................................................................	82
	7.1.1 NAT Definitions .........................................................................................	82
	7.1.2 What NAT Does ........................................................................................	83
	7.1.3 How NAT Works .......................................................................................	83
	7.1.4 NAT Application ........................................................................................	84
	7.1.5 NAT Mapping Types .................................................................................	84
7.2	SUA (Single User Account) Versus NAT ............................................................	85
7.3	SUA Server ........................................................................................................	85
	7.3.1 Default Server IP Address ........................................................................	86
	7.3.2 Port Forwarding: Services and Port Numbers ..........................................	86
	7.3.3 Configuring Servers Behind SUA (Example) ............................................	87
7.4	Selecting the NAT Mode ...................................................................................	87
7.5	Configuring SUA Server Set .............................................................................	88
7.6	Configuring Address Mapping Rules .................................................................	90
7.7	Editing an Address Mapping Rule .....................................................................	91
Chapter 8
Dynamic DNS Setup...............................................................................................		94
8.1	Dynamic DNS Overview ...................................................................................	94
	8.1.1 DYNDNS Wildcard ....................................................................................	94
8.2	Configuring Dynamic DNS ................................................................................	94
Chapter 9
Time and Date.........................................................................................................		96
9.1	Configuring Time and Date ...............................................................................	96
Chapter 10
Firewalls..................................................................................................................		98
10.1 Firewall Overview ............................................................................................		98
10.2 Types of Firewalls ............................................................................................		98
	10.2.1 Packet Filtering Firewalls ........................................................................	98
	10.2.2 Application-level Firewalls ......................................................................	99
	10.2.3 Stateful Inspection Firewalls ..................................................................	99
10.3 Introduction to ZyXEL’s Firewall .......................................................................		99

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