Ip Filter Settings - ICP DAS USA ET-6000 Series User Manual

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Chapter 3 Web Configuration Page


3.3.2

IP filter Settings

Each ET-6000 series module contains an IP filter that can be used to control access to the
module, thereby preventing unauthorized access from unknown IP addresses. The IP filter can
be granted across a range of IPv4 addresses, such as from 10.0.8.1 to 10.0.9.22 or to a single
IP address, with a maximum of ten permission rules. Once the IP addresses that have been
granted access permission have been entered, and the rule activated, the ET-6000 module IP
filter will guard the TCP/IP connection by restricting access to any unauthorized IP addresses.
There are three methods of restricting or granting access permissions.
Allow Only a specific IP address
Enter the same IP address in both the From and TO IP address text fields
Allow Hosts within a specific IP address range
Enter the first IP address in the From IP address text field, and enter the last IP address in
the permitted range in the To IP address text field.
ET-6000 User's Manual, 2007, Sep., V1.1,
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