Application & Gaming - Port Range Forwarding - TRENDnet TEW-511BRP User Manual

4.11 Application & Gaming – Port Range Forwarding
The Port Range Forwarding screen allows you to offer public services from your local network, such as web servers, ftp
servers, e-mail servers. Before using forwarding feature, the servers that will provide Internet services should assign one
static IP address.
Port Range Forwarding
To forward a service from local network, please fill in the relevant information on each field.
Application Name: Each drop-down menu offers a choice of preset applications (select None if you do not want to use
any of the preset applications). Select up to five preset applications. For custom applications, enter the name of your
application in one of the available fields.
The preset applications are among the most generally used Internet applications. They include the following:
FTP (File Transfer Protocol): A protocol used to transfer files over a TCP/IP network.
Telnet: Telnet offers a way to remotely log on to a network device and work on it. By logging on to this device
remotely, users can access services or resources that they may not have on their own workstation.
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): DNS is a method for naming computers and network services. TCP/IP networks use
the DNS naming convention to locate computers and services through user-friendly domain names. When a user
enters a domain name in an application, the DNS service maps the name to an IP address.
TFTP (Trivial File Transfer Protocol): It's one protocol to use UDP for small files transmission between 2 network
devices.
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): HTTP is a convention for sending messages from a server to a client by using
TCP/IP.
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.
NNTP (Network News Transfer Protocol): NNTP is a protocol that enables you to post, distribute, and retrieve
messages on Internet and intranet newsgroups.
SNMP (Simple Network Management Protocol): SNMP is one protocol that allows you to customize the SNMP
settings. SNMP is a popular network monitoring and management protocol.
Start/End: This is the port range. Enter the range of port number that used by the designated compter or Internet
application.
Protocol: Select the protocol that used for this application, TCP and/or UDP.
To IP Address: For each application, enter the IP address of the computer running the specific application.
Enabled: Click the Enabled checkbox to enable port forwarding for the relevant application.
User's Guide 24