ZyXEL Communications ZyXEL ZyWALL 2WG - Manual (Page 24)

Table of Contents
ZyWALL 2WG User’s Guide
24
34.1 TCP/IP Setup ................................................................................................................... 517
34.1.1 IP Address .............................................................................................................. 517
34.1.2 IP Alias Setup ......................................................................................................... 518
Chapter 35
Remote Node Setup..............................................................................................................521
35.1 Introduction to Remote Node Setup ................................................................................ 521
35.2 Remote Node Setup ........................................................................................................ 521
35.3 Remote Node Profile Setup ............................................................................................. 521
35.3.1 Ethernet Encapsulation .......................................................................................... 522
35.3.2 PPPoE Encapsulation ............................................................................................ 523
35.3.3 PPTP Encapsulation .............................................................................................. 524
35.4 Edit IP .............................................................................................................................. 525
35.5 Remote Node Filter ......................................................................................................... 527
Chapter 36
IP Static Route Setup............................................................................................................ 529
36.1 IP Static Route Setup ...................................................................................................... 529
Chapter 37
Network Address Translation (NAT).................................................................................... 533
37.1 Using NAT ........................................................................................................................ 533
37.1.1 SUA (Single User Account) Versus NAT ................................................................ 533
37.1.2 Applying NAT ......................................................................................................... 533
37.2 NAT Setup ....................................................................................................................... 535
37.2.1 Address Mapping Sets ........................................................................................... 536
37.3 Configuring a Server behind NAT .................................................................................... 540
37.4 General NAT Examples ................................................................................................... 543
37.4.1 Internet Access Only .............................................................................................. 543
37.4.2 Example 2: Internet Access with a Default Server ................................................. 544
37.4.3 Example 3: Multiple Public IP Addresses With Inside Servers .............................. 545
37.4.4 Example 4: NAT Unfriendly Application Programs ................................................. 548
37.5 Trigger Port Forwarding ................................................................................................... 550
37.5.1 Two Points To Remember About Trigger Ports ...................................................... 550
Chapter 38
Introducing the ZyWALL Firewall ........................................................................................ 553
38.1 Using ZyWALL SMT Menus ............................................................................................ 553
38.1.1 Activating the Firewall ............................................................................................ 553
Chapter 39
Filter Configuration............................................................................................................... 555
39.1 Introduction to Filters ....................................................................................................... 555