ZyXEL P-660HW-T1 v2 User Guide - Page 208
UPnP and ZyXEL
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P-660HW-T v2 User's Guide 16.1.3 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. When a UPnP device joins a network, it announces its presence with a multicast message. For security reasons, the ZyXEL Device allows multicast messages only on the LAN. All UPnP-enabled devices may communicate freely with each other without additional configuration. Disable UPnP if this is not your intention. You must have IIS (Internet Information Services) enabled on the Windows web server for UPnP to work. 16.2 UPnP and ZyXEL ZyXEL has achieved UPnP certification from the Universal Plug and Play Forum UPnP™ Implementers Corp. (UIC). ZyXEL's UPnP implementation supports IGD 1.0 (Internet Gateway Device). See the following sections for examples of installing and using UPnP. 16.2.1 Configuring UPnP Click Advanced > UPnP to display the screen shown next. See Section 16.1 on page 207 for more information. Figure 116 Configuring UPnP 208 Chapter 16 Universal Plug-and-Play (UPnP)