ZyXEL Communications P-792H - Page 14

Table of Contents
P-792H v2 User’s Guide
14
9.1 Overview .............................................................................................................................117
9.1.1 What You Can Do in the Firewall Screens ................................................................117
9.1.2 What You Need to Know About Firewall ...................................................................118
9.1.3 Firewall Rule Setup Example ....................................................................................119
9.2 The Firewall General Screen ............................................................................................. 122
9.3 The Firewall Rule Screen .................................................................................................. 124
9.3.1 Configuring Firewall Rules ...................................................................................... 126
9.3.2 Customized Services .............................................................................................. 128
9.3.3 Configuring a Customized Service ......................................................................... 129
9.4 The Firewall Threshold Screen .......................................................................................... 129
9.4.1 Threshold Values ..................................................................................................... 130
9.4.2 Configuring Firewall Thresholds ............................................................................... 131
9.5 Firewall Technical Reference ............................................................................................. 133
9.5.1 Firewall Rules Overview ........................................................................................... 133
9.5.2 Guidelines For Enhancing Security With Your Firewall ............................................ 134
9.5.3 Security Considerations ........................................................................................... 135
9.5.4 Triangle Route .......................................................................................................... 135
Chapter 10
Content Filtering ...................................................................................................................139
10.1 Overview ......................................................................................................................... 139
10.1.1 What You Can Do in the Content Filter Screens .................................................... 139
10.1.2 What You Need to Know About Content Filtering .................................................. 139
10.1.3 Before You Begin ................................................................................................... 139
10.1.4 Content Filtering Example ...................................................................................... 140
10.2 The Keyword Screen ...................................................................................................... 142
10.3 The Schedule Screen ..................................................................................................... 143
10.4 The Trusted Screen ........................................................................................................ 144
Chapter 11
Certificates ............................................................................................................................145
11.1 Overview ......................................................................................................................... 145
11.1.1 What You Need to Know About Certificates ........................................................... 145
11.1.2 Verifying a Certificate ............................................................................................. 146
11.2 The Trusted CAs Screen ................................................................................................. 147
11.2.1 Trusted CA Import ................................................................................................. 149
11.2.2 Trusted CA Details ................................................................................................. 150
11.3 Certificates Technical Reference ..................................................................................... 152
11.3.1 Certificates Overview ............................................................................................. 152
11.3.2 Private-Public Certificates ...................................................................................... 152
Chapter 12
VPN.........................................................................................................................................155