ZyXEL Communications P-334 - Manual (Page 13)

Prestige 334 User’s Guide
Table of Contents 12
Chapter 11
Firewall.................................................................................................................. 126
11.1 Introduction .....................................................................................................126
11.1.1 What is a Firewall? ................................................................................126
11.1.2 Stateful Inspection Firewall. ..................................................................126
11.1.3 About the Prestige Firewall ...................................................................126
11.1.4 Guidelines For Enhancing Security With Your Firewall .........................127
11.2 Firewall Settings Screen .................................................................................127
11.3 The Firewall, NAT and Remote Management ................................................129
11.3.1 LAN-to-WAN rules .................................................................................129
11.3.2 WAN-to-LAN rules .................................................................................129
11.4 Services .........................................................................................................130
Chapter 12
Content Filtering ................................................................................................. 134
12.1 Introduction to Content Filtering .....................................................................134
12.2 Restrict Web Features ...................................................................................134
12.3 Days and Times .............................................................................................134
12.4 Configure Content Filtering ............................................................................134
Chapter 13
Remote Management Screens ............................................................................ 138
13.1 Remote Management Overview .....................................................................138
13.1.1 Remote Management Limitations .........................................................138
13.1.2 Remote Management and NAT ............................................................139
13.1.3 System Timeout ...................................................................................139
13.2 Configuring WWW ..........................................................................................139
13.3 Configuring Telnet ..........................................................................................140
13.4 Configuring TELNET ......................................................................................141
13.5 Configuring FTP .............................................................................................142
13.6 SNMP .............................................................................................................143
13.6.1 Supported MIBs ....................................................................................144
13.6.2 SNMP Traps .........................................................................................144
13.6.3 Configuring SNMP ................................................................................144
13.7 Configuring DNS ............................................................................................146
13.8 Configuring Security .......................................................................................147
Chapter 14
Introduction to IPSec ........................................................................................... 150
14.1 VPN Overview ................................................................................................150
14.1.1 IPSec ....................................................................................................150
14.1.2 Security Association .............................................................................150
14.1.3 Other Terminology ................................................................................150