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. 
 
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. 
  UDP-FLOOD Packets Threshold (5~3600)  -  The default value is 500. Enter a value 
between 5 ~ 3600. When the current UPD-FLOOD Packets number is beyond the set value, 
the router will startup the blocking function immediately. 
  Enable TCP-SYN-FLOOD Attack Filtering  -  Enable or Disable the TCP-SYN-FLOOD 
Attack Filtering. 
  TCP-SYN-FLOOD Packets Threshold (5~3600)  -  The default value is 50. Enter a value 
between 5 ~ 3600. When the current TCP-SYN-FLOOD Packets numbers is beyond the set 
value, the router will startup the blocking function immediately.   
  Ignore Ping Packet From WAN Port - Enable or Disable Ignore Ping Packet From WAN 
Port. The default setting  is disabled. If enabled, the ping packet from the  Internet cannot 
access the router.   
  Forbid Ping Packet From LAN Port - Enable or Disable Forbid Ping Packet From LAN Port. 
The default setting is disabled. If enabled, the ping packet from LAN cannot access the router. 
This function can be used to defend against some viruses.   
Click the Save button to save the settings. 
Click the Blocked DoS Host List button to display the DoS host table by blocking.   
4.13.3  Local Management 
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