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Page 46 / 92 Scroll up to view Page 41 - 45
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ONFIGURING
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44
Click
Yes
to enable or
No
to disable this function.
Enter the MAC address in the space provided.
You can also select a client in the DHCP Client List and select the line
to which you want to copy the information.
URL Blocking
The Wireless 54Mbps ADSL Router allows the user to block access to
Web sites by entering either a full URL address or just a keyword.
This feature can be used to protect children from accessing violent or
pornographic Web sites.
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You can define up to 30 sites here.
Schedule Rule
You may filter Internet access for local clients based on rules. Each
access control rule may be activated at a scheduled time. Define the
time schedule on this page and apply the rule on the Access Control
page.
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Follow these steps to add a schedule rule:
1.
Click
Add Schedule Rule
.
2.
Define the appropriate settings for a schedule rule (as shown in
this example).
3.
Click
OK
and then click
SAVE SETTINGS
to save your settings.
Intrusion Detection
Stateful Packet Inspection (SPI) and Anti-DoS firewall protection
(Default: Enabled) — The Intrusion Detection Feature of the Wireless
54Mbps ADSL Router limits access for incoming traffic at the WAN
port. When the SPI feature is turned on, all incoming packets will be
blocked except for those types marked in the Stateful Packet
Inspection section.
RIP Defect (Default: Disabled) — If an RIP request packet is not
acknowledged by the router, it will stay in the input queue and not be
released. Accumulated packets could cause the input queue to fill,
causing severe problems for all protocols. Enabling this feature
prevents the packets from accumulating.
Discard Ping to WAN (Default: Disabled) — Prevent a ping on the
Wireless 54Mbps ADSL Router’s WAN port from being routed to the
network.
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Scroll down to view more information.
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•
Stateful Packet Inspection
This is called a “stateful” packet inspection because it examines the
contents of the packet to determine the state of the communications;
i.e., it ensures that the stated destination computer has previously
requested the current communication. This is a way of ensuring that
all communications are initiated by the recipient computer and are
taking place only with sources that are known and trusted from
previous interactions. In addition to being more rigorous in their
inspection of packets, stateful inspection firewalls also close off ports
until connection to the specific port is requested.
When particular types of traffic are checked, only the particular type
of traffic initiated from the internal LAN will be allowed. For example,
if the user only selects
FTP Service
in the Stateful Packet Inspection
section, all incoming traffic will be blocked except for FTP
connections initiated from the local LAN.
Stateful Packet Inspection allows you to select different application
types that are using dynamic port numbers. If you wish to use the
Stateful Packet Inspection (SPI) to block packets, select
Yes
in the
Enable SPI and Anti-DoS firewall protection field and then select the

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