Cautions With Upnp; Upnp And Zyxel; Configuring Upnp; Figure 173 Configuring Upnp - ZyXEL Communications 802.11g ADSL 2+ 4-Port Security Gateway HW-D Series User Manual

802.11g adsl 2+ 4-port security gateway

Table of Contents

P-662H/HW-D Series User's Guide

22.1.3 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 on the LAN only.

All UPnP-enabled devices may communicate freely with each other without additional

configuration. Disable UPnP if this is not your intention.

ZyXEL has achieved UPnP certification from the Universal Plug and Play Forum UPnP™

Implementers Corp. (UIC). ZyXEL's UPnP implementation supports Internet Gateway Device

See the following sections for examples of installing and using UPnP.

Click Advanced > UPnP to display the screen shown next.

Section 22.1 on page 321

for more information.

Chapter 22 Universal Plug-and-Play (UPnP)