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36 IG-4160 Zoom Internet Gateway User Guide
4.5 Configuring the Router Access Control
The Router Access Control option allows a system administrator
to give clients or groups of clients specific access rights to Internet
services. To set up this feature, follow the steps below. We’ve also
included a list of common service port numbers on page 37.
Note:
We recommend that you define the LAN MAC-address to
LAN IP-address relationships before beginning the
process of configuring Router Access Control. Click the
LAN MAC Address Control button to proceed.
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1
Open the Gateway’s Advanced Setup screen by clicking the
same-named icon at the top of the main interface window,
click Router Access Control, and check the Enable box.
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Divide users into different groups. Users are identified by their
IP addresses. You can assign members in three special Groups.
Any unassigned members belong to the Default Group.
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Assign the access rights of each group. You can allow or
block access to specified TCP and UDP ports and Internet
services. The table below shows a sample.
Group Members Access Right Definition
Default - Allow () No access rights
Group 1 50-99
Allow (80,110,
25)
Can browse(80), receive(110)
and send(25) email only
Group 2 100-199 Block (21,144)
Cannot read newsgroups
(144) and cannot FTP(21)
Group 3 1-9,20 Block () Full access (block nothing)