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Table of Contents
ZyWALL 2 Plus User’s Guide
15
15.13 Trusted Remote Hosts ................................................................................................. 293
15.14 Trusted Remote Host Certificate Details ..................................................................... 294
15.15 Trusted Remote Hosts Import ...................................................................................... 297
15.16 Directory Servers .......................................................................................................... 298
15.17 Directory Server Add or Edit ........................................................................................ 299
Chapter 16
Authentication Server...........................................................................................................301
16.1 Authentication Server Overview ...................................................................................... 301
16.1.1 Local User Database .............................................................................................. 301
16.1.2 RADIUS ..................................................................................................................301
16.1.3 Types of RADIUS Messages .................................................................................. 301
16.2 Local User Database .....................................................................................................302
16.3 RADIUS ......................................................................................................................... 304
Part IV: Advanced ................................................................................ 307
Chapter 17
Network Address Translation (NAT)....................................................................................309
17.1 NAT Overview ................................................................................................................ 309
17.1.1 NAT Definitions ...................................................................................................... 309
17.1.2 What NAT Does ..................................................................................................... 310
17.1.3 How NAT Works ..................................................................................................... 310
17.1.4 NAT Application .......................................................................................................311
17.1.5 Port Restricted Cone NAT .......................................................................................311
17.1.6 NAT Mapping Types ............................................................................................... 312
17.2 Using NAT ........................................................................................................................ 313
17.2.1 SUA (Single User Account) Versus NAT ................................................................ 313
17.3 NAT Overview Screen ..................................................................................................... 313
17.4 NAT Address Mapping ................................................................................................... 315
17.4.1 What NAT Does ..................................................................................................... 315
17.4.2 NAT Address Mapping Edit .................................................................................. 316
17.5 Port Forwarding .............................................................................................................. 317
17.5.1 Default Server IP Address ...................................................................................... 318
17.5.2 Port Forwarding: Services and Port Numbers ........................................................ 318
17.5.3 Configuring Servers Behind Port Forwarding (Example) ....................................... 318
17.5.4 Port Translation ...................................................................................................... 319
17.6 Port Forwarding Screen ................................................................................................... 320
17.7 Port Triggering ............................................................................................................... 321
Chapter 18
Static Route ...........................................................................................................................325