LevelOne FBR-1461 - Manual (Page 66)

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Intrusion Detection
Check Enable if you wish to detect intruders accessing your computer without
permission. The router automatically detects and blocks a DoS (Denial of Service)
attack.
This kind of attack is not to access confidential data on the network; instead, it aims to
disrupt specific equipment functions or the operations of entire network. If this happens,
users will have trouble accessing the network resources.

Intrusion Detection: Check Enable if you wish to detect intruders accessing your
computer without permission.

Maximum TCP Open Handshaking Count: This is a threshold value to decide
whether a SYN Flood attempt is occurring or not. Default value is 100 TCP SYN per
seconds.

Maximum Ping Count: This is a threshold value to decide whether an ICMP Echo
Storm is occurring or not. Default value is 15 ICMP Echo Requests (PING) per second.

Maximum ICMP Count: This is a threshold to decide whether an ICMP flood is
occurring or not. Default value is 100 ICMP packets per seconds except ICMP Echo
Requests (PING).

Log: Check Log if you wish to generate logs when the filer rule is applied to the
Intrusion Detection.