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EtherFast Cable/DSL VPN Router with 4-Port 10/100 Switch
UPnP Forwarding
The UPnP Forwarding screen displays preset application settings as well as options to customize port services
for other applications.
UPnP Forwarding
Application. This provides ten preset applications. You can specify up to five additional applications in the
available fields.
The preset applications are among the most widely used Internet applications. They include the following:
FTP (File Transfer Protocol). A protocol used to transfer files over a TCP/IP network (Internet, UNIX, etc.). For
example, after developing the HTML pages for a website on a local machine, they are typically uploaded to
the web server using FTP.
Telnet. A terminal emulation protocol commonly used on Internet and TCP/IP-based networks. It allows a
user at a terminal or computer to log onto a remote device and run a program.
SMTP (Simple Mail Transfer Protocol). The standard e-mail protocol on the Internet. It is a TCP/IP protocol
that defines the message format and the message transfer agent (MTA), which stores and forwards the mail.
DNS (Domain Name System). The way that Internet domain names are located and translated into IP
addresses. A domain name is a meaningful and easy-to-remember "handle" for an Internet address.
TFTP (Trivial File Transfer Protocol). A version of the TCP/IP FTP protocol that has no directory or password
capability.
Finger. A UNIX command widely used on the Internet to find out information about a particular user, such as
a telephone number, whether the user is currently logged on, and the last time the user was logged on. The
person being "fingered" must have placed his or her profile on the system in order for the information to be
available. Fingering requires entering the full user@domain address.
HTTP (HyperText Transport Protocol). The communications protocol used to connect to servers on the World
Wide Web. Its primary function is to establish a connection with a web server and transmit HTML pages to the
client web browser.
POP3 (Post Office Protocol 3). A standard mail server commonly used on the Internet. It provides a message
store that holds incoming e-mail until users log on and download it. POP3 is a simple system with little
selectivity. All pending messages and attachments are downloaded at the same time. POP3 uses the SMTP
messaging protocol.
Chapter 6: Using The Router's Web-based Utility
UPnP Forwarding
Figure 6-24: Applications & Gaming tab - UPnP Forwarding
smtp (Simple Mail Transfer Protocol): the standard e-mail
tftp (Trivial File Transfer Protocol): a version of the TCP/IP
FTP protocol that has no directory or password capability
finger: aprogram that tells you the name
associated with an e-mail address
http (HyperText Transport Protocol): the communications
protocol used to connect to servers on the World Wide Web
download: to receive a file transmitted over a network
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