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49
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4.9.2 Advanced Security
Choose menu “
Security → Advanced Security
”, to protect the Router from being attacked by TCP-
SYN Flood, UDP Flood and ICMP-Flood as shown in Figure 4-40.
Figure 4-40 Advanced Security
Packets Statistics Interval (5~60) -
The default value is 10. Select a value between 5 and 60
seconds from the drop-down list. The Packets Statistics Interval value indicates the time section
of the packets statistics. The result of the statistics is used for analysis by SYN Flood, UDP
Flood and ICMP-Flood.
DoS Protection -
Denial of Service protection. Check the Enable or Disable button to enable or
disable the DoS protection function. Only when it is enabled, will the flood filters be enabled.
Note: Dos Protection will take effect only when the Traffic Statistics in “System Tool
→ Traffic Statistics” is enabled.
Enable ICMP-FLOOD Attack Filtering
-
Enable or Disable the ICMP-FLOOD Attack Filtering.
ICMP-FLOOD Packets Threshold (5~3600)
-
The default value is 50. Enter a value between 5
~
3600. When the current ICMP-FLOOD Packets number is beyond the set value, the Router will
startup the blocking function immediately.
Enable UDP-FLOOD Filtering
-
Enable or Disable the UDP-FLOOD Filtering.