121
IP Teardrop
—
Tick the checkbox to prevent a Teardrop attack. A Teardrop attack sends
mangled IP fragments with overlapping, over-sized, payloads to the Residential Gateway.
The fragmented packets are processed by the Residential Gateway and will cause it to
crash.
PingofDeath
—
Tick the checkbox to prevent the Residential Gateway to receive
oversized ping packets which it cannot handle. The Ping of Death attack will send
packets which exceed the maximum IP packet size of 65,535 bytes.
TCP Scan
—
Tick the checkbox to prevent the Residential Gateway to be probed by a
hacker for open TCP ports to then block.
TCP SynWithData
—
Tick the checkbox to prevent the hacker to send a volume of
requests for connections that cannot be completed.
UDP Bomb
—
Tick the checkbox to prevent the hacker congesting the network by a
flood of UDP packets between him and the Residential Gateway using the UDP chargen
service.
UDP EchoChargen
—
Tick the checkbox to prevent the hacker from sending a UDP
packet to the echo server with a source port set to the chargen port.
packets/second
—
Specify the number of packets per second that you want to scan for
malicious activity.
Sensitivity
—
Select
High
or
Low
from the pull-down menu for the sensitivity of the
TCP/UDP port scan prevention.
Click
Select All
to select all of kinds of DDoS attacks in the checkboxes. Or click
Clear all
to
unselect all of the checkboxes.
Enable Source IP Blocking
—
Tick the checkbox to block the IP.