ZyXEL p-660h-61 Guida Utente
Prestige 660H Series User’s Guide
Table of Contents
vii
5.2
DNS Server Address.........................................................................................................5-1
5.3
DNS Server Address Assignment.....................................................................................5-2
5.4
LAN TCP/IP .....................................................................................................................5-2
5.5
Configuring LAN..............................................................................................................5-3
Chapter 6 WAN Setup....................................................................................................................6-1
6.1
WAN Overview ................................................................................................................6-1
6.2
Metric................................................................................................................................6-1
6.3
PPPoE Encapsulation........................................................................................................6-1
6.4
Traffic Shaping .................................................................................................................6-2
6.5
Configuring WAN Setup ..................................................................................................6-2
6.6
Traffic Redirect.................................................................................................................6-5
6.7
Configuring WAN Backup ...............................................................................................6-6
NAT, Dynamic DNS and Time and Date............................................................................................ III
Chapter 7 Network Address Translation (NAT) Screens ...........................................................7-1
7.1
NAT Overview .................................................................................................................7-1
7.2
SUA (Single User Account) Versus NAT ........................................................................7-4
7.3
SUA Server.......................................................................................................................7-4
7.4
Selecting the NAT Mode ..................................................................................................7-5
7.5
Configuring SUA Server ..................................................................................................7-6
7.6
Configuring Address Mapping .........................................................................................7-7
7.7
Editing an Address Mapping Rule....................................................................................7-9
Chapter 8 Dynamic DNS Setup .....................................................................................................8-1
8.1
Dynamic DNS...................................................................................................................8-1
8.2
Configuring Dynamic DNS ..............................................................................................8-1
Chapter 9 Time and Date...............................................................................................................9-3
9.1
Configuring Time and Date ..............................................................................................9-3
Firewall and Content Filter..................................................................................................................IV
Chapter 10 Firewalls ....................................................................................................................10-1
10.1
Firewall Overview ..........................................................................................................10-1
10.2
Types of Firewalls ..........................................................................................................10-1
10.3
Introduction to ZyXEL’s Firewall ..................................................................................10-2
10.4
Denial of Service ............................................................................................................10-3
10.5
Stateful Inspection ..........................................................................................................10-6
10.6
Guidelines for Enhancing Security with Your Firewall .................................................10-9
10.7
Packet Filtering Vs Firewall .........................................................................................10-10
Chapter 11 Firewall Configuration.............................................................................................11-1
11.1
Remote Management and the Firewall ...........................................................................11-1
11.2
Enabling the Firewall......................................................................................................11-1
11.3
Attack Alert ....................................................................................................................11-1
Chapter 12 Creating Custom Rules ............................................................................................12-1
12.1
Rules Overview ..............................................................................................................12-1
12.2
Rule Logic Overview......................................................................................................12-1
12.3
Connection Direction......................................................................................................12-2
12.4
Rule Summary ................................................................................................................12-3
12.5
Predefined Services.........................................................................................................12-5
12.6
Creating/Editing Firewall Rules .....................................................................................12-7