ZyXEL Communications ZyWALL 2 Plus User Manual page 18

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
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
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
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ZyWALL 2 Plus User's Guide