TP-Link TL-R600VPN TL-R600VPN V1 User Guide - Page 42

Enable ICMP-FLOOD Attack Filtering

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TL-R600VPN SafeStreamTM Gigabit Broadband VPN Router User Guide 4.6.2 Advanced Security Choose menu "Security→Advanced Security", you can protect the Router from being attacked by TCP-SYN Flood, UDP Flood and ICMP-Flood in the next screen (shown in Figure 4-26). Figure 4-26 ¾ Packets Statistics Interval - This is the interval for capturing the statistics. ¾ DoS Attack Defense - Enable or disable the DoS Attack Defense. ¾ Enable ICMP-FLOOD Attack Filtering - The attackers flood normal communication by attacking the server with a lot of ICMP packets. Check the box to activate the function to prevent an ICMP Flood attack. The threshold should be within the range of 5-3600 and the default value is 50. ¾ Enable UDP-FLOOD Filtering - Check the box to activate the function to prevent the UDP Flood attack of a fixed source IP. Once the packets rate exceeds threshold value, the packets will be blocked. The threshold should be within the range of 5-3600 .and the default value is 500. ¾ Enable TCP-SYN-FLOOD Attack Filtering - Check the box to activate the function to prevent a TCP-SYN-Flood attack. Once the packets rate exceeds threshold value, the packets will be blocked. The threshold should be within the range of 5-3600 and the default value is 50. 36

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SafeStream
TM
Gigabit Broadband VPN Router User Guide
TL-R600VPN
36
4.6.2
Advanced Security
Choose menu “
Security
→
Advanced Security
”, you can protect the Router from being attacked
by TCP-SYN Flood, UDP Flood and ICMP-Flood in the next screen (shown in Figure 4-26).
Figure 4-26
¾
Packets Statistics Interval -
This is the interval for capturing the statistics.
¾
DoS Attack Defense -
Enable or disable the DoS Attack Defense.
¾
Enable ICMP-FLOOD Attack Filtering
-
The attackers flood normal communication by
attacking the server with a lot of ICMP packets. Check the box to activate the function to
prevent an ICMP Flood attack. The threshold should be within the range of 5-3600 and the
default value is 50.
¾
Enable UDP-FLOOD Filtering
-
Check the box to activate the function to prevent the UDP
Flood attack of a fixed source IP. Once the packets rate exceeds threshold value, the packets
will be blocked. The threshold should be within the range of 5-3600 .and the default value is
500.
¾
Enable TCP-SYN-FLOOD Attack Filtering
-
Check the box to activate the function to
prevent a TCP-SYN-Flood attack. Once the packets rate exceeds threshold value, the
packets will be blocked. The threshold should be within the range of 5-3600 and the default
value is 50.