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Restricting Access from a Particular Computer


This page explains how to restrict access from particular computers using an IP filter function.


1. About IP filter feature

2. IP filter settings


1. About IP filter feature

SX-DS-3000WAN can allow/deny communication from a specified IP address range.

If Filter Mode is set to DENY, communication from the specified IP address range will be denied. If it is set to ALLOW, communication only from the specified IP address range will be allowed. Up to 4 IP address ranges can be specified.


2. IP filter settings

IP filter settings can be configured from the Web page. The following example shows how to allow access only from the IP address range "192.168.20.0" - "192.168.20.255":

Log in to the Web page of SX-DS-3000WAN. Click IP Filter.


Enter the settings at IP Filter Configuration.
As this example shows how to allow communication from a specified IP address range, select Allow for Filter Mode.
Enter 192.168.20.0 to IP Address and 255.255.255.0 to Address Mask. When finished, click Submit.

  • Example:    IP Address / Address Mask : Address range

      - 0.0.0.0 / 0.0.0.0  :  Not used

      - 192.168.0.0 / 255.255.255.0   :  192.168.0.0 - 192.168.0.255

      - 192.168.0.1 / 255.255.255.255  :  192.168.0.1 only


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