ZyXEL Communications Prestige 2602R Series - Manual (Page 18)

Prestige 2602R Series User’s Guide
18 Table of Contents
26.2 Configuration ..................................................................................................259
Chapter 27
Bridging Setup ..................................................................................................... 263
27.1 Bridging in General ........................................................................................263
27.2 Bridge Ethernet Setup ....................................................................................263
27.2.1 Remote Node Bridging Setup ...............................................................263
27.2.2 Bridge Static Route Setup .....................................................................265
Chapter 28
Network Address Translation (NAT) ................................................................... 267
28.1 Using NAT ......................................................................................................267
28.1.1 SUA (Single User Account) Versus NAT ..............................................267
28.2 Applying NAT .................................................................................................267
28.3 NAT Setup ......................................................................................................269
28.3.1 Address Mapping Sets ..........................................................................269
28.3.1.1 SUA Address Mapping Set .........................................................270
28.3.1.2 User-Defined Address Mapping Sets ..........................................271
28.3.1.3 Ordering Your Rules ....................................................................271
28.4 Configuring a Server Behind NAT ..................................................................273
28.5 General NAT Examples ..................................................................................274
28.5.1 Example 1: Internet Access Only ..........................................................275
28.5.2 Example 2: Internet Access with an Inside Server ...............................275
28.5.3 Example 3: Multiple Public IP Addresses With Inside Servers .............276
28.5.4 Example 4: NAT Unfriendly Application Programs ...............................280
Chapter 29
Enabling the Firewall ........................................................................................... 283
29.1 Remote Management and the Firewall ..........................................................283
29.2 Access Methods .............................................................................................283
29.3 Enabling the Firewall ......................................................................................283
Chapter 30
Filter Configuration.............................................................................................. 285
30.1 About Filtering ................................................................................................285
30.1.1 The Filter Structure of the Prestige .......................................................286
30.2 Configuring a Filter Set for the Prestige .........................................................287
30.3 Filter Rules Summary Menus .........................................................................289
30.4 Configuring a Filter Rule ................................................................................290
30.4.1 TCP/IP Filter Rule .................................................................................290
30.4.2 Generic Filter Rule ................................................................................293
30.5 Filter Types and NAT .....................................................................................294
30.6 Example Filter ................................................................................................295