UTStarcom UT-300R2 manual Virtual Server Configuration, Nat

Chapter 5 Advanced Configuration / Network Management 41

Directory	Configuration and Read-only Menus
	This page allows you to configure r\the UT-300R2
	ADSL router to allow applications that require multiple
Application	connections such as Internet gaming, video
	conferencing, Internet telephony, and others that are
	unable to work through Network Address Translation
	(NAT)
	Filters are used to deny or allow access to the Internet
Filter	for various PCs on your LAN. The UT-300R2 can
	refuse PCs on your LAN access to the Internet based
	upon their IP or MAC address, or it can restrict access
	to specific web sites.
	If your computer cannot run Internet applications
	property with the device, then you can enable this
	option to allow the computer accessing the
DMZ	unrestricted Internet. Enter the IP address of the
	computer as a DMZ (Demilitarized Zone) host. Adding
	the computer to the DMZ may expose it under
	insecurity risk; thus suggest not use this option unless
	no other alternatives.
DDNS	This page allows you to configure the UT-300R2 to
	use the DYNAMIC Domain Name Service (Dynamic
	DNS), if you have a previously established account.
RIP	This allows you to enable or disable the Routing
	Information Protocol (RIP) on PVC’s that allow routing.

Virtual Server Configuration

A Virtual Server can allow remote users to access services to PCs on your LAN such as FTP for file transfers or SMTP and POP3 for e-mail. The UT-300R2 will accept remote requests for these services at your Global IP Address (the one assigned to your account by your ISP), using the specified TCP or UDP protocol and port number, and then redirect these requests to