Table of Contents

21.14.2 SNMP Traps .........................................................................................................

393

21.14.3 REMOTE MANAGEMENT: SNMP .......................................................................

393

21.15 DNS .............................................................................................................................

395

21.16

Introducing Vantage CNM .............................................................................................

395

21.17

Configuring CNM ...........................................................................................................

396

21.17.1 Additional Configuration for Vantage CNM ..........................................................

397

Chapter 22

 

 

UPnP ......................................................................................................................................

399

 

22.1

Universal Plug and Play Overview ................................................................................

399

 

 

22.1.1 How Do I Know If I'm Using UPnP? .......................................................................

399

 

 

22.1.2 NAT Traversal ........................................................................................................

399

 

 

22.1.3 Cautions with UPnP ...............................................................................................

399

 

 

22.1.4 UPnP and ZyXEL ...................................................................................................

400

 

22.2

Configuring UPnP ............................................................................................................

400

 

22.3

Displaying UPnP Port Mapping ....................................................................................

401

 

22.4

Installing UPnP in Windows Example ..............................................................................

402

 

 

22.4.1 Installing UPnP in Windows Me .............................................................................

403

 

 

22.4.2 Installing UPnP in Windows XP .............................................................................

404

 

 

22.5 Using UPnP in Windows XP Example .............................................................................

404

 

 

22.5.1 Auto-discover Your UPnP-enabled Network Device ..............................................

405

 

 

22.5.2 Web Configurator Easy Access .............................................................................

406

 

Chapter 23

 

 

Custom Application ..............................................................................................................

409

 

23.1

Custom Applicaton .........................................................................................................

409

 

23.2

Custom Applicaton Configuration ....................................................................................

409

 

Chapter 24

 

 

ALG Screen ...........................................................................................................................

411

 

24.1

ALG Introduction ..............................................................................................................

411

 

 

24.1.1 ALG and NAT ..........................................................................................................

411

 

 

24.1.2 ALG and the Firewall ...............................................................................................

411

 

24.2

FTP ..................................................................................................................................

412

 

24.3

H.323 ...............................................................................................................................

412

 

 

24.4 RTP ..................................................................................................................................

412

 

 

24.4.1 H.323 ALG Details .................................................................................................

412

 

24.5

SIP ...................................................................................................................................

413

 

 

24.5.1 STUN .....................................................................................................................

413

 

 

24.5.2 SIP ALG Details .....................................................................................................

413

 

 

24.5.3 SIP Signaling Session Timeout ..............................................................................

414

 

 

24.5.4 SIP Audio Session Timeout ....................................................................................

414

 

24.6

ALG Screen .....................................................................................................................

414

 

 

 

 

 

18

 

 

 

 

 

 

ZyWALL 2 Plus User’s Guide