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Please follow the following instructions to set DoS prevention parameters:
Please click 'Firewall' menu on the left of web management interface, then click 'DoS',
and the following message will be displayed on your web browser:
Here are descriptions of every setup items:
Ping of Death (1):
Discard Ping
From WAN (2):
Port Scan (3):
Ping of Death is a special packet, and it will cause certain
computer to stop responding. Check this box and the router will
filter this kind of packet out.
Ping is a common and useful tool to know
the connection status of a specified remote network device, but
some malicious intruder will try to fill your network bandwidth with
a lot of PING request data packet, to make your internet
connection become very slow, even unusable. Check this box and
the router will ignore all inbound PING request, but when you
activate this function, you will not be able to ping your own router
from internet, too.
Some malicious intruder will try to use a 'port scanner' to know
how many ports of your Internet IP address are open, and they
can collect a lot of valuable information by doing so. Check this
box and the router will block all traffics which are trying to scan
your Internet IP address.
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