Prestige 334 User’s Guide

25.5

General NAT Examples ..................................................................................

244

25.5.1 Example 1: Internet Access Only ..........................................................

245

25.5.2 Example 2: Internet Access with an Inside Server ...............................

245

25.5.3 Example 3: Multiple Public IP Addresses With Inside Servers .............

246

25.5.4 Example 4: NAT Unfriendly Application Programs ...............................

250

25.6

Configuring Trigger Port Forwarding .............................................................

252

Chapter 26

 

 

Enabling the Firewall ...........................................................................................

254

26.1

Remote Management and the Firewall ..........................................................

254

26.2

Access Methods .............................................................................................

254

26.3

Enabling the Firewall ......................................................................................

254

Chapter 27

 

 

Filter Configuration..............................................................................................

256

27.1

Introduction to Filters ......................................................................................

256

27.1.1 The Filter Structure of the Prestige .......................................................

257

27.2

Configuring a Filter Set ..................................................................................

258

27.2.1 Configuring a Filter Rule .......................................................................

260

27.2.2 Configuring a TCP/IP Filter Rule ..........................................................

260

27.2.3 Configuring a Generic Filter Rule .........................................................

263

27.3

Example Filter ................................................................................................

265

27.4

Filter Types and NAT ......................................................................................

267

27.5

Firewall Versus Filters ....................................................................................

268

27.6

Applying a Filter ............................................................................................

268

27.6.1 Applying LAN Filters .............................................................................

268

27.6.2 Applying Remote Node Filters ..............................................................

269

Chapter 28

 

 

SNMP Configuration ............................................................................................

270

28.1 About SNMP ..................................................................................................

270

28.2

Supported MIBs ............................................................................................

271

28.3

SNMP Configuration ......................................................................................

271

28.4 SNMP Traps ...................................................................................................

272

Chapter 29

 

 

System Information and Diagnosis ....................................................................

274

29.1

System Status ................................................................................................

274

29.2

System Information ........................................................................................

276

29.2.1 System Information ...............................................................................

276

29.2.2 Console Port Speed ..............................................................................

277

29.3

Log and Trace ................................................................................................

278

29.3.1 Syslog Logging .....................................................................................

278

Table of Contents

16