User`s manual

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Repeater Pro will filter this kind of packet out.
Discard Ping Ping is a common and useful tool to know
From WAN (2): 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 Smart Repeater Pro will ignore all inbound PING
request, but when you activate this function, you will not be able
to ping your own Smart Repeater Pro from internet, too.
Port Scan (3): 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 Smart Repeater Pro will block all traffics which are
trying to scan your Internet IP address.
Sync Flood (4): This is another kind of attack, which uses a lot of fake
connection request to consume the memory of your server, and
try to make your server become unusable. Check this box and
the Smart Repeater Pro will filter this kind of traffic out.
Advanced Click this button and you can set advanced
Settings (5): settings of the DoS prevention method listed above, please see
section 4-3-3-1 ‘DoS – Advanced Settings’ below.
After you finish with all of your settings, click “Apply” and the following message will
be displayed on your web browser: