ZyXEL Communications G.SHDSL.bis 4-port Security Gateway P-793H - Manual (Page 19)

P-793H User’s Guide
Table of Contents 19
Chapter 25
Internet Access Setup ......................................................................................... 267
25.1 Internet Access Setup ....................................................................................267
Chapter 26
Remote Node Setup ............................................................................................. 269
26.1 Introduction to Remote Node Setup ...............................................................269
26.2 Remote Node Setup .......................................................................................269
26.3 Remote Node Profile ......................................................................................269
26.4 Remote Node Network Layer Options ...........................................................273
26.5 Remote Node Filter ........................................................................................275
26.6 Remote Node ATM Layer Options .................................................................276
26.7 Advance Setup Options .................................................................................278
Chapter 27
Static Route Setup ............................................................................................... 279
27.1 IP Static Route Setup .....................................................................................279
27.2 Bridge Static Route Setup ..............................................................................280
Chapter 28
NAT Setup ............................................................................................................. 283
28.1 Using NAT ......................................................................................................283
28.1.1 SUA (Single User Account) Versus NAT ..............................................283
28.1.2 Applying NAT ........................................................................................283
28.2 NAT Setup ......................................................................................................285
28.2.1 Address Mapping Sets ..........................................................................285
28.2.1.1 User-Defined Address Mapping Sets ..........................................286
28.3 Configuring a Server behind NAT ..................................................................288
28.4 General NAT Examples ..................................................................................290
28.4.1 Internet Access Only .............................................................................290
28.4.2 Example 2: Internet Access with an Default Server ..............................291
28.4.3 Example 3: Multiple Public IP Addresses With Inside Servers .............292
28.4.4 Example 4: NAT Unfriendly Application Programs ...............................295
Chapter 29
Firewall Setup....................................................................................................... 297
29.1 Using ZyXEL Device SMT Menus ..................................................................297
29.1.1 Activating the Firewall ...........................................................................297
Chapter 30
Filter Configuration.............................................................................................. 299
30.1 Introduction to Filters ......................................................................................299
30.1.1 The Filter Structure of the ZyXEL Device .............................................300