DSL-504T DSL Router User’s Guide

To configure a virtual server set, define the following settings in the Virtual Server configuration menu located in the top half of the browser window.

 

Parameter

Description

 

 

 

 

 

 

 

 

 

Provide a name for the rule. This name will not appear in the list

 

 

Rule Name

 

below, however it may be useful if you later need to edit the

 

 

 

 

settings for the rule. Rule names are optional.

 

 

 

 

 

 

 

 

 

This is the IP address of the server on your LAN that will provide

 

 

 

 

the service to remote users. The Private IP address is used to

 

 

Private IP

 

direct the service to a specific computer on your private network

 

 

 

 

such as an FTP, Email or public web server. Type in the IP

 

 

 

 

address of the server used for the service being configured here.

 

 

 

 

 

 

 

 

 

You can select the transport protocol (TCP or UDP) that the

 

 

 

 

application on the virtual server will use for its connections.

 

 

 

 

Select one of the following options from the pull-down menu to

 

 

Protocol

 

define a TCP, UDP or Both. The choice of this protocol is

 

 

 

 

dependent on the application that is providing the service. If you

 

 

 

 

do not know which protocol to choose, check your application’s

 

 

 

 

documentation.

 

 

 

 

 

 

 

 

 

Configure a range of ports for forwarding. Type the lowest

 

 

 

 

numbered port in the range in the Port Start space. Type the

 

 

 

 

highest numbered port in the Port End space. For a single port,

 

 

Port Start /Port End

 

just enter the same number in both spaces.

 

 

 

 

 

 

 

 

Virtual server port redirection must be used with a specified

 

 

 

 

server or computer on the LAN (identified by the Private IP

 

 

 

 

address).

 

 

 

 

 

 

 

 

 

This is the local port being forwarded to from the Port Start/Port

 

 

 

 

End port(s). Keep in mind that if you use a non-standard port

 

 

Port Map

 

number for an application with a reserved UDP/TCP port, some

 

 

 

 

additional configuration may be required for the servers or

 

 

 

 

workstations using the application on the LAN side.

 

 

 

 

 

 

Click the Apply button to put the new virtual server configuration set or modification into effect. Any server sets configured in the menu will appear in the Virtual Server List with the new settings. The Router must save the new settings and reboot before the new virtual server configurations are applied.

To remove any configuration set from the Virtual Server List, click on the trashcan icon for set you want to delete.

 

 

 

Some applications require multiple TCP or UDP ports to function properly. Applications such

 

 

 

 

as Internet gaming, video conferencing, and Internet telephony are some examples of

 

 

 

 

applications that often require multiple connections. These applications often conflict with

 

Note

 

 

NAT, and therefore require special handling. See the discussion of DMZ configuration below.

 

 

 

 

 

 

 

 

 

 

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D-Link DSL-504T manual Parameter Description, Rule Name, Private IP, Protocol, Port Start /Port End, Port Map
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DSL-504T specifications

The D-Link DSL-504T is a versatile ADSL modem/router designed to meet the connectivity needs of home users and small offices. Recognized for its robust performance and user-friendly features, it serves as an ideal solution for those seeking reliable internet access through ADSL technology.

At the heart of the D-Link DSL-504T is its ADSL2/2+ compatibility, allowing for high-speed internet connections of up to 24 Mbps downstream and 1 Mbps upstream. This capability ensures that users can enjoy smooth online browsing, streaming, and gaming without interruptions. The device is equipped with a built-in 4-port Ethernet switch, enabling multiple wired devices to connect simultaneously. This feature is particularly valuable in environments where numerous devices require stable internet access, such as in small offices or households with multiple computers.

One of the standout characteristics of the D-Link DSL-504T is its user-friendly setup process. With a web-based management interface, users can easily configure their internet connection and customize settings. This interface provides easy navigation through various configuration options, including security settings, firewall management, and QoS (Quality of Service) provisions to prioritize bandwidth for essential applications.

Security is a top priority for the D-Link DSL-504T, which incorporates robust measures to protect users' networks. It supports WEP, WPA, and WPA2 encryption protocols, ensuring that wireless connections remain secure from unauthorized access. The device also features a built-in firewall that helps safeguard the local network from external threats.

Moreover, the DSL-504T supports various connection methods, including PPPoE, PPPoA, and DHCP, making it adaptable to different internet service providers and network environments. This flexibility ensures seamless integration into existing setups without requiring significant adjustments.

In terms of design, the D-Link DSL-504T features a compact form factor that allows for easy placement in any environment. The LED indicators on the front panel provide real-time status updates for power, DSL, internet, and local network activity, allowing users to monitor their connection at a glance.

In conclusion, the D-Link DSL-504T stands out as a reliable and feature-rich ADSL modem/router. With its high-speed connectivity, multiple connectivity options, robust security features, and user-friendly interface, it effectively caters to the demands of modern internet users while ensuring a stable and secure online experience.
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