ZyXEL Communications 10 User Manual page 10

ZyWALL 10~100 Series Internet Security Gateway
13.2 Types of Firewalls.................................................................................................................13-1
13.3 Introduction to ZyXEL's Firewall ........................................................................................13-2
13.4 Denial of Service...................................................................................................................13-3
13.5 Stateful Inspection ................................................................................................................13-7
13.6 Guidelines For Enhancing Security With Your Firewall ....................................................13-11
13.7 Packet Filtering Vs Firewall ...............................................................................................13-12
Chapter 14 Introducing the ZyWALL Firewall ...................................................................................14-1
14.1 Remote Management and the Firewall .................................................................................14-1
14.2 Access Methods ....................................................................................................................14-1
14.3 Using ZyWALL SMT Menus ...............................................................................................14-1
Chapter 15 Using the ZyWALL Web Configurator.............................................................................15-1
15.1 Web Configurator Login and Main Menu Screens ...............................................................15-1
15.2 Enabling the Firewall............................................................................................................15-1
15.3 Attack Alert...........................................................................................................................15-2
Chapter 16 Creating Custom Rules ......................................................................................................16-1
16.1 Rules Overview.....................................................................................................................16-1
16.2 Rule Logic Overview............................................................................................................16-2
16.3 Connection Direction Examples ...........................................................................................16-4
16.4 Rule Summary ......................................................................................................................16-5
16.5 Predefined Services...............................................................................................................16-8
16.6 Custom Ports.......................................................................................................................16-15
16.7 Creating/Editing A Custom Port .........................................................................................16-15
16.8 Example Firewall Rule .......................................................................................................16-17
Chapter 17 Content Filtering ................................................................................................................17-1
17.1 Categories .............................................................................................................................17-1
17.2 Free .......................................................................................................................................17-5
17.3 iCard .....................................................................................................................................17-7
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