Chapter 11 Ip/Mac Binding; Demands; Objectives; Methods - D-Link DFL-900 User Manual

DFL-900/1500 User Manual

11.1 Demands

Your company would like to protect some servers or users avoid their IP address snatched by others, and control the computers
to let them accepted or denied by the IP/MAC rules. IP/MAC binding protects the DFL-1500 unit and avoid your network from
IP spoofing attacks.
Generally, the IP/MAC Binding will prevent the following usage.
a、 IP spoofing:
IP spoofing attempts to use the IP address of a trusted computer to connect to or through the DFL-1500 unit from a
different computer. The IP address of a computer can easily be changed to a trusted address, but MAC addresses are
added to Ethernet cards at the factory and cannot easily be changed.
b、 Unregistered user accessing:
Through the MAC addresses registering, administrator can prohibit those unregistered addresses passing through
DFL-1500.

11.2 Objectives

Use this mechanism to permit some specified MAC address passing through DFL-1500. Other MAC addresses without
permission will be blocked by DFL-1500.

11.3 Methods

Binding the specified IP address and MAC address together. And permit the legal one to pass through the DFL-1500.

11.4 Steps

Step 1. Enable IP/MAC binding
Check the Enable IP/MAC Binding checkbox,
and then click Apply to apply the setting.
Note that the IP/MAC binding locks IP address for
specific MACs. It achieves the purpose by the
steps as right diagram described.
FIELD
Enable IP/MAC Binding
This chapter introduces how to restrict local pc accessing according to their MAC address
Advanced Settings > IP/MAC Binding > Status
DESCRIPTION
Enable IP/MAC Binding feature of DFL-1500
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Chapter 11
IP/MAC Binding
Chapter 11
IP/MAC Binding
Range / Format EXAMPLE
Enabled /
Disabled
Enabled