DSL-504T DSL Router User’s Guide

Firewall

The Firewall Configuration menu allows the Router to enforce specific predefined policies intended to protect against certain common types of attacks. There are two general types of protection (DoS, Port Scan) that can be enabled on the Router, as well as filtering for specific packet types sometimes used by hackers.

You can choose to Enable or Disable protection against a customized basket of attack and scan types. To enable DoS Protection or Port Scan Protection, select the Enable radio button for the protection type and click in the selection boxes for the various types of protection listed under each.

 

 

 

Service Filtering may

 

 

 

 

interfere with other

 

 

 

 

configurations such as

 

 

 

 

 

Note

 

 

DHCP Relay or Remote

 

 

 

 

Management via Telnet.

 

 

 

 

 

 

Firewall Configuration Menu

When DoS, Port Scan, or Service Filtering Protection is enabled, it will create a firewall policy to protect your network against the following:

Dos Protection

Port Scan Protection

Service Filtering

SYN Flood check

Nmap/FIN attack

Ping from WAN

ICMP Redirection check

URG/PSH attack

Telnet from WAN

 

Xmas Tree Scan

FTP from WAN

 

Null Scan attack

DNS from WAN

 

SYN/RST attack

IKE from WAN

 

SYN/FIN Scan

RIP from WAN

 

 

DHCP from WAN

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D-Link DSL-504T manual Firewall Configuration Menu, Dos Protection Port Scan Protection Service Filtering

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.