User's Manual
36
IP Access Setting
This function allows network administrators to restrict up to five groups of
specified network users/computers from accessing the certain applications
Protocol:
Select the protocol type as “TCP” or “UDP” from the
drop down list. If you are not sure which one to
choose, select “Both”.
Filter Group/LAN IP
Range:
Enter the range of IP addresses which you want them
to be a controlled group to have the same access
limitation.
Block Port Range:
Enter the range of port numbers which are used by the
applications you wish to be blocked.
Here is an example for the IP Access Setting. Enter the range of 51~80 in the
Filter Group column and 20~80 in the Block port Range column, then click
“Apply” button. As the result, the user’s computers which have IP Addresses in
the range of 192.168.1.51 to 192.168.1.80 will not be able to use the
applications which use port numbers from 20 to 80, such as FTP, Telnet and