Zyxel-communications 5 Series Manual do Utilizador descarregar pdf (Página 26)

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ZyWALL 5/35/70 Series User’s Guide

26 Table of Contents

40.3 Remote Node Profile Setup ...........................................................................600

40.3.1 Ethernet Encapsulation .........................................................................600

40.3.2 PPPoE Encapsulation ...........................................................................602

40.3.2.1 Outgoing Authentication Protocol ................................................602

40.3.2.2 Nailed-Up Connection .................................................................602

40.3.2.3 Metric ..........................................................................................603

40.3.3 PPTP Encapsulation .............................................................................603

40.4 Edit IP .............................................................................................................604

40.5 Remote Node Filter ........................................................................................606

40.6 Traffic Redirect ...............................................................................................607

Chapter 41

IP Static Route Setup........................................................................................... 609

41.1 IP Static Route Setup .....................................................................................609

Chapter 42

Network Address Translation (NAT)................................................................... 611

42.1 Using NAT ......................................................................................................611

42.1.1 SUA (Single User Account) Versus NAT ..............................................611

42.1.2 Applying NAT ........................................................................................611

42.2 NAT Setup ......................................................................................................613

42.2.1 Address Mapping Sets ..........................................................................614

42.2.1.1 SUA Address Mapping Set .........................................................614

42.2.1.2 User-Defined Address Mapping Sets ..........................................615

42.2.1.3 Ordering Your Rules ....................................................................616

42.3 Configuring a Server behind NAT ..................................................................618

42.4 General NAT Examples ..................................................................................621

42.4.1 Internet Access Only .............................................................................621

42.4.2 Example 2: Internet Access with a Default Server ................................623

42.4.3 Example 3: Multiple Public IP Addresses With Inside Servers .............623

42.4.4 Example 4: NAT Unfriendly Application Programs ...............................627

42.5 Trigger Port Forwarding .................................................................................628

42.5.1 Two Points To Remember About Trigger Ports .....................................628

Chapter 43

Introducing the ZyWALL Firewall ....................................................................... 631

43.1 Using ZyWALL SMT Menus ...........................................................................631

43.1.1 Activating the Firewall ...........................................................................631

Chapter 44

Filter Configuration..............................................................................................633

44.1 Introduction to Filters ......................................................................................633

44.1.1 The Filter Structure of the ZyWALL ......................................................634

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