User's Manual

C HAPTER 4 | Configuring the Router
Security
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ADVANCED SECURITY Select Security -> Advanced Security from the menu; you can protect
the Router from being attacked by TCP-SYN Flood, UDP Flood and ICMP-
Flood in the screen, as shown in Figure 86.
Figure 86: 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.
N OTE : 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.