ZyXEL Communications P-334WHD - Manual (Page 14)

P-334WHD User’s Guide
14 Table of Contents
Chapter 9
DHCP Server......................................................................................................... 127
9.1 DHCP ...............................................................................................................127
9.2 DHCP Server General Screen .........................................................................127
9.3 DHCP Server Advanced Screen ...................................................................128
9.4 Client List Screen .............................................................................................129
Chapter 10
Network Address Translation (NAT) ................................................................... 131
10.1 NAT Overview .............................................................................................131
10.2 Using NAT ......................................................................................................131
10.2.1 Port Forwarding: Services and Port Numbers ......................................131
10.2.2 Configuring Servers Behind Port Forwarding (Example) ......................132
10.3 General NAT Screen ......................................................................................132
10.4 NAT Application Screen ...............................................................................133
10.4.1 Game List Example ..............................................................................135
10.5 Trigger Port Forwarding ................................................................................136
10.5.1 Trigger Port Forwarding Example .........................................................137
10.5.2 Two Points To Remember About Trigger Ports .....................................137
10.6 NAT Advanced Screen ...................................................................................137
Chapter 11
Dynamic DNS........................................................................................................ 141
11.1 Dynamic DNS Introduction ............................................................................141
11.1.1 DynDNS Wildcard .................................................................................141
11.2 Dynamic DNS Screen ..................................................................................141
Chapter 12
Firewall.................................................................................................................. 143
12.1 Introduction to Firewall .................................................................................143
12.1.1 What is a Firewall? ...............................................................................143
12.1.2 Stateful Inspection Firewall ...................................................................143
12.1.3 About the ZyXEL Device Firewall .........................................................143
12.1.4 Guidelines For Enhancing Security With Your Firewall ........................144
12.1.5 The Firewall, NAT and Remote Management .......................................145
12.1.5.1 LAN-to-WAN rules .......................................................................145
12.1.5.2 WAN-to-LAN rules .......................................................................145
12.2 Triangle Routes ..............................................................................................146
12.2.1 Triangle Routes and IP Alias ................................................................146
12.3 General Firewall Screen ..............................................................................147
12.4 Services Screen ............................................................................................147