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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.
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Intrusion Detection
Intrusion
Detection
Feature
Stateful Packet Inspection (SPI) and Anti-DoS firewall protection
(Default: Enabled) — The Intrusion Detection Feature of the
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 to 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
Router
’s WAN port from being routed to the network.
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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 checks “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, click on the Yes radio button in the
“Enable SPI and Anti-DoS firewall protection” field and then check the
inspection type that you need, such as Packet Fragmentation, TCP
Connection, UDP Session, FTP Service, H.323 Service, or TFTP Service.
When hackers attempt to enter your network,
we can
alert
you by e-mail
If the mail server needs to authenticate your identification before sending
out any e-mail, please fill related information in POP3 server, username
and password fields. Otherwise leave the three fields blank.
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