Answer | UPnP™ (Universal Plug and Play) is a set of protocols that allows a device to automatically discover other UPnP devices (anything from an Internet gateway device to a light switch), for communication, entertainment, and sharing data.  UPnP-enabled devices (such as PCs or gaming consoles) can retrieve the router's WAN IP address, and automatically create NAT port maps. This is an ideal setup for applications or services that require UPnP. By default, UPnP is enabled to allow communication for UPnP-enabled devices in the home network. This document describes how to disable UPnP in the G54.
NOTE: With UPnP enabled, a virus, Trojan horse, worm, or other malicious program that manages to infect a computer/device on the local area network could bypass the firewall completely. Since UPnP assumes local programs are trustworthy and allows them to forward ports. It is recommended to manually configure port forwarding in the G54, and disable UPnP to avoid the security vulnerabilities associated with this protocol. For assistance with port forwarding, refer to article 19512 - G54: Port Forwarding Setup. Â
Disable UPnP
- Launch a web browser, such as Internet Explorer, Firefox, or Safari. Â Enter http://192.168.0.1 into the address box, and press the Enter key. Â Â Â
 - A security or private risk alert may appear on the web browser advising users to proceed with caution when accessing the Web Manager. There is no risk in proceeding to the Web Manager. For instructions to bypass the alert screen, refer to article 18181 - Alert Message for Web Manager Access.
NOTE: The Home Network Wizard will appear if this is the first time accessing the Web Manager. For assistance with the wizard, refer to article 19497 - G54: Web Manager First Time Login.
 - On the Login page, enter the custom password in the Password field. The Username field is populated with admin.Â
NOTE: If the Username field is populated with an email address, retrieve the admin password from the SURFboard Central app to log in. For detailed instructions in the app, refer to article 19069 - SURFboard Central: Web Manager Access.
 - Click the Login button.  The Gateway > Summary page will appear.
 - On the left-hand menu, click the Advanced link.  The Advanced > Port Forwarding page will appear.
 - Click the Device Discovery sub-menu link.  The Advanced > Device Discovery page will appear.
 - Click the Disable button for the UPnP option, then click the Save button.
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