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LevelOne 22Mbps Wireless AP Router User Guide
Allow Internet
access to be
disabled
Firewall
Enable DoS
Firewall
Threshold
•
If checked, then UPnP users can disable Internet access via this
device.
•
If Disabled, UPnP users can NOT disable Internet access via this
device. But currently, this restriction only applies to users running
Windows XP, who access the Properties via UPnP. (e.g. Right -
click the LevelOne 22Mbps Wireless AP Router in My Network
Places, and select Properties)
If enabled, DoS (Denial of Service) attacks will be detected and
blocked. The default is enabled. It is strongly recommended that this
setting be left enabled.
Note:
•
A DoS attack does not attempt to steal data or damage your PCs,
but overloads your Internet connection so you cannot use it - the
service is unavailable.
•
The LevelOne 22Mbps Wireless AP Router uses "Stateful Inspec-
tion" technology. This system can detect situations where
individual TCP/IP packets are valid, but collectively they become
a DoS attack.
This setting affects the number of "half-open" connections allowed.
•
A "half-open" connection arises when a remote client contacts the
Server with a connection request, but then does not reply to the
Server's response.
•
While the optimum number of "half-open" connections allowed
(the "Threshold") depends on many factors, the most important
factor is the available bandwidth of your Internet connection.
•
Select the setting to match the bandwidth of your Internet connec-
tion.
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