Airlink101 AR570W - Manual (Page 66)

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3.5.2 DoS (Denial-of-Service)
Denial of Service (DoS) is a common attack measure, by transmitting a great amount of data or
request to your Internet IP address and server, the Internet connection will become very slow,
and server may stop responding because it is not capable to handle too much traffics.
This router has a built-in DoS attack prevention mechanism; when you activate it, the router will
stop the DoS attack for you.
Parameter
Description
Ping of Death Set the threshold of when this DoS prevention mechanism will be
activated. Please check the box of Ping of Death, and input the
frequency of threshold (how many packets per second, minute,
or hour), you can also input the “Burst” value, which means when
this number of “Ping of Death” packet is received in very short
time, this DoS prevention mechanism will be activated.
Discard Ping From WAN
Check the box to discard this ping request to the WAN IP
address of the router.
Port Scan
Many kind of port scan methods are listed here, please check
one or more DoS attack methods you want to prevent.
Sync Flood
Like Ping of Death, you can set the threshold of when this DoS
prevention mechanism will be activated.
Advanced
Click this button and you can set advanced settings of the
Settings DoS prevention method listed above, please see section 3.5.2.1
‘DoS – Advanced Settings’ below.
3.5.2.1 DoS – Advanced Settings
When you click ‘Advanced Settings’ button in DoS page, the following page will be displayed on
your web browser: