Manhattan 525541 User Manual page 123

Click Firewall on the left side of the Web management interface,
then click DoS; the following message will be displayed on your
Web browser:
Here are descriptions of every setup item:
Ping of Death (1): Ping of Death is a special packet, and it will
Discard Ping
From WAN (2):
Port Scan (3):
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cause certain computers to stop responding.
Check this box and the router will filter this kind
of packet out.
Ping is a common and useful tool to find out
the connection status of a specified remote
network device, but some malicious intruder
could try to fill your network bandwidth with a lot
of Ping-request data packets to make your
Internet connection become very slow, even
unusable. Check this box and the router will
ignore all inbound Ping requests; but when you
activate this function, you will not be able to
ping your own router from the Internet.
Some malicious intruder could try to use a port
scanner to learn 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
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