D-Link DI-524UP - Manual (Page 35)

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the criteria specified by the rule set are dropped.
Effective implementation of packet filtering requires detailed knowledge of network
services and communication protocols. An overly complicated filtering scheme can
adversely affect the Router’s performance, while an inadequate set of rules may
needlessly compromise security.
This Router has two fields to configure for filtering which are IP Filters and MAC Filters.
Advanced > Filters > IP Filters
IP Filters
Choose whether to enable or disable this configuration for IP
filtering.
IP Address An IP address or range of IP addresses that will be denied
access to the Internet.
This window will aid
the use in configuring
filters for IP
addresses. This will
deny specified LAN
IP addresses or
specific ports
associated with these
LAN IP address from
accessing the
Internet. Well known
ports have already
been previously set
in the IP Filters List
and can be modified
by clicking their
corresponding edit
icon, and simple
adding an IP address
to the configuration.
To access this
window, click the
Advanced
tab along
the top of the
configuration window
and then the Filters
tab to the left hand
side.