Zyxel-communications 10 Uživatelský manuál stáhnout pdf (Strana 10)

ZyWALL 10~100 Series Internet Security Gateway

x Table of Contents

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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Zyxel-communications 10 Uživatelský manuál Strana 10