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Broadband Router with 2 Phone Ports
28
Chapter 5: Configuring the Router
The Security Tab - VPN Passthrough
The Security Tab - VPN Passthrough
The
VPN Passthrough
screen allows you to allow VPN tunnels using IPSec, PPPoE, or PPTP protocols to pass
through the Router.
VPN Passthrough
IPSec Passthrough
. IPSec (Internet Protocol Security) is a suite of protocols used to implement secure
exchange of packets at the IP layer. To allow IPSec Passthrough, click the
Enabled
button. To disable IPSec
Passthrough, click the
Disabled
button.
PPPoE Passthrough
. PPPoE (Point-to-Point over Ethernet) Passthrough allows your PC(s) to use the PPPoE
client software provided by your ISP. Some ISPs may request that you use this feature on the Router. To allow
PPPoE Passthrough, click the
Enabled
button. To disable PPPoE Passthrough, click the
Disabled
button.
PPTP Pass Through
. PPTP (Point-to-Point Tunneling Protocol) Passthrough allows the Point-to-Point (PPP) to be
tunneled through an IP network. To allow PPTP Passthrough, click the
Enabled
button. To disable PPTP
Passthrough, click the
Disabled
button.
When you have finished making changes to this screen, click the
Save Settings
button to save the changes, or
click the
Cancel Changes
button to undo your changes. Help information is shown on the right-hand side of a
screen. For additional information, click
More
.
Figure 5-16: Security Tab - VPN
Passthrough
ipsec
: a VPN protocol used to implement
secure exchange of packets at the IP
layer
pptp
: a VPN protocol that allows the Point
to Point Protocol (PPP) to be tunneled
through an IP network. This protocol is
also used as a type of broadband
connection in Europe
vpn
: a security measure to protect data as
it leaves one network and goes to another
over the Internet
pppoe
: A type of broadband connection
that provides authentication (username
and password) in addition to data
transport
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Broadband Router with 2 Phone Ports
29
Chapter 5: Configuring the Router
The Voice Tab
The Voice Tab
Access to the Voice tab is restricted by Vonage. Contact Vonage for more information.
The Applications & Gaming Tab - Port Range Forwarding
When you click the Applications & Gaming tab, you will see the
Port Range Forwarding
screen. Port Range
Forwarding sets up public services on your network, such as web servers, ftp servers, e-mail servers, or other
specialized Internet applications. (Specialized Internet applications are any applications that use Internet
access to perform functions such as videoconferencing or online gaming. Some Internet applications may not
require any forwarding.) When users send this type of request to your network via the Internet, the Router will
forward those requests to the appropriate PC.
Before using forwarding, you should assign a static IP address to the designated PC.
If you need to forward all ports to one PC, click the
DMZ
tab.
Port Range Forwarding
Port Range
To add a server using Port Range Forwarding, complete the following fields:
Application
. Enter the name of the application.
Start and End
. Enter the number or range of external port(s) used by the server or Internet application. Check
with the Internet application software documentation for more information.
Figure 5-17: Voice Tab
Figure 5-18: Applications & Gaming Tab -
Port Range Forwarding
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Broadband Router with 2 Phone Ports
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Chapter 5: Configuring the Router
The Applications & Gaming Tab - Port Triggering
Protocol
. Select the protocol
TCP
or
UDP
, or select
Both
.
IP Address
. Enter the IP address of the server that you want the Internet users to be able to access. To find the
IP address, go to “Appendix B: Finding the MAC Address and IP Address for Your Ethernet Adapter.”
Enable
. Check the
Enable
box to enable the services you have defined. Port Range Forwarding will not function
if the Enabled button is left unchecked. This is disabled (unchecked) by default.
When you have finished making changes to this screen, click the
Save Settings
button to save the changes, or
click the
Cancel Changes
button to undo your changes. Help information is shown on the right-hand side of a
screen. For additional information, click
More
.
The Applications & Gaming Tab - Port Triggering
The
Port Triggering
screen allows the Router to watch outgoing data for specific port numbers. The IP address
of the computer that sends the matching data is remembered by the Router, so that when the requested data
returns through the Router, the data is pulled back to the proper computer by way of IP address and port
mapping rules.
Port Triggering
Application
. Enter the application name of the trigger.
Triggered Range
For each application, list the triggered port number range. Check with the Internet application documentation
for the port number(s) needed.
Start Port
. Enter the starting port number of the Triggered Range.
ip
(internet protocol): a protocol used to
send data over a network
ip address
: the address used to identify a
computer or device on a network
tcp
: a network protocol for transmitting
data that requires acknowledgement from
the recipient of data sent
udp
: a network protocol for transmitting
data that does not require
acknowledgement from the recipient of
the data that is sent.
Figure 5-19: Applications & Gaming Tab -
Port Triggering
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Broadband Router with 2 Phone Ports
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Chapter 5: Configuring the Router
The Applications & Gaming Tab - UPnP Forwarding
End Port
. Enter the ending port number of the Triggered Range.
Forwarded Range
For each application, list the forwarded port number range. Check with the Internet application documentation
for the port number(s) needed.
Start Port
. Enter the starting port number of the Forwarded Range.
End Port
. Enter the ending port number of the Forwarded Range.
When you have finished making changes to this screen, click the
Save Settings
button to save the changes, or
click the
Cancel Changes
button to undo your changes. Help information is shown on the right-hand side of a
screen. For additional information, click
More
.
The Applications & Gaming Tab - UPnP Forwarding
The
UPnP Forwarding
screen displays preset application settings as well as options to customize port services
for other applications.
UPnP Forwarding
Application
. Ten applications are preset. For custom applications, enter the name of your application in one of
the available fields.
The preset applications are among the most widely used Internet applications. They include the following:
Figure 5-20: Applications & Gaming Tab -
UPnP Forwarding
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Broadband Router with 2 Phone Ports
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Chapter 5: Configuring the Router
The Applications & Gaming Tab - UPnP Forwarding
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.
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