Hayes Microcomputer Products ADSL Ethernet Modem - Manual (Page 51)

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RIP Mode (Routing Information Protocol Mode). See page
33.
Click Update and then Save Configuration.
3.4 LAN IP Filter
The Lan IP Filter page of your Configuration Manager lets you
define a set of rules for restricting access from the Local Area
Network to the WAN. Typical uses for a LAN filter are to
implement a corporate firewall, to prevent certain computers from
being able to access the Internet, or to set parental controls by
denying a particular WAN IP address to the specified LAN
address.
For example, let’s say you are a parent who wants to prevent your
child from viewing a certain web site. You will select the Enable
check box, type the address of the objectionable web site in the
WAN IP Address field (see instructions below), type the address
of the child’s computer in the LAN IP Address field, select tcp
from the Protocol list, and type 80 in the Ports field, as illustrated
below:
The LAN IP Filter fields are:
Enable Lets you enable or disable a rule.
WAN IP
Address
The address of the web site you want to restrict.
To translate a URL to a WAN IP address, you