Chapter 14 Universal Plug-and-Play (UPnP)
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14.5 UPnP Technical Reference
This section provides some technical background information about the topics covered in this
chapter.
14.5.1 NAT Traversal
UPnP NAT traversal automates the process of allowing an application to operate through NAT.
UPnP network devices can automatically configure network addressing, announce their
presence in the network to other UPnP devices and enable exchange of simple product and
service descriptions. NAT traversal allows the following:
• Dynamic port mapping
• Learning public IP addresses
• Assigning lease times to mappings
Windows Messenger is an example of an application that supports NAT traversal and UPnP.
See the NAT chapter for more information on NAT.
14.5.2 Cautions with UPnP
The automated nature of NAT traversal applications in establishing their own services and
opening firewall ports may present network security issues. Network information and
configuration may also be obtained and modified by users in some network environments.
All UPnP-enabled devices may communicate freely with each other without additional
configuration. Disable UPnP if this is not your intention.
14.5.3 UPnP and ZyXEL
ZyXEL has achieved UPnP certification from the Universal Plug and Play Forum Creates
UPnP™ Implementers Corp. (UIC). ZyXEL's UPnP implementation supports IGD 1.0
(Internet Gateway Device). At the time of writing ZyXEL's UPnP implementation supports
Windows Messenger 4.6 and 4.7 while Windows Messenger 5.0 and Xbox are still being
tested.
UPnP broadcasts are only allowed on the LAN.
See later sections for examples of installing UPnP in Windows XP and Windows Me as well as
an example of using UPnP in Windows.
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Страница 8: ...Safety Warnings P 660W Tx v2 User s Guide 8 ...
Страница 10: ...Contents Overview P 660W Tx v2 User s Guide 10 ...
Страница 18: ...Table of Contents P 660W Tx v2 User s Guide 18 ...
Страница 22: ...List of Figures P 660W Tx v2 User s Guide 22 ...
Страница 25: ...25 PART I Introduction Introducing the ZyXEL Device 27 Introducing the Web Configurator 31 ...
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Страница 30: ...Chapter 1 Introducing the ZyXEL Device P 660W Tx v2 User s Guide 30 ...
Страница 36: ...Chapter 2 Introducing the Web Configurator P 660W Tx v2 User s Guide 36 ...
Страница 37: ...37 PART II Setup Wizard Connection Setup Wizard 39 Media Bandwidth Management Wizard 47 ...
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Страница 46: ...Chapter 3 Connection Setup Wizard P 660W Tx v2 User s Guide 46 ...
Страница 50: ...Chapter 4 Media Bandwidth Management Wizard P 660W Tx v2 User s Guide 50 ...
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Страница 83: ...Chapter 7 WAN Setup P 660W Tx v2 User s Guide 83 Figure 32 WAN Setup PPPoE ...
Страница 104: ...Chapter 8 Network Address Translation NAT Screens P 660W Tx v2 User s Guide 104 ...
Страница 130: ...Chapter 11 Firewall Configuration P 660W Tx v2 User s Guide 130 ...
Страница 156: ...Chapter 15 Logs Screens P 660W Tx v2 User s Guide 156 ...
Страница 169: ...169 PART IV Maintenance Maintenance 171 ...
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Страница 184: ...Chapter 17 Maintenance P 660W Tx v2 User s Guide 184 ...
Страница 185: ...185 PART V Troubleshooting and Specifications Troubleshooting 187 Product Specifications 193 ...
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Страница 192: ...Chapter 18 Troubleshooting P 660W Tx v2 User s Guide 192 ...
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Страница 208: ...Appendix A Pop up Windows JavaScripts and Java Permissions P 660W Tx v2 User s Guide 208 ...
Страница 226: ...Appendix C Common Services P 660W Tx v2 User s Guide 226 ...
Страница 232: ...Appendix D Legal Information P 660W Tx v2 User s Guide 232 ...
Страница 244: ...Index P 660W Tx v2 User s Guide 244 ...