ZyXEL X650 User Guide - Page 128

Sync Flood d

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a b c d e Here are descriptions of each setup item: Ping of Death (a): 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 (b): Check the box to activate this DoS prevention mechanism. Port Scan (c): Many kinds of port scan methods are listed here; please check one or more DoS attack methods you want to prevent. Sync Flood (d): Like Ping of Death, you can set the threshold of when this DoS prevention mechanism will be activated. After you finish with all settings, please click 'Apply' (e) button and the following message will be displayed on your web browser: 126

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126
Here are descriptions of each setup item:
Ping of Death (a):
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
Check the box to activate this DoS
From WAN (b):
prevention mechanism.
Port Scan (c):
Many kinds of port scan methods are listed here; please
check one or more DoS attack methods you want to
prevent.
Sync Flood (d):
Like Ping of Death, you can set the threshold of when
this DoS prevention mechanism will be activated.
After you finish with all settings, please click ‘Apply’ (e) button and the
following message will be displayed on your web browser:
a
b
c
d
e