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2.2.1.3 portscan
This command can enable or disable port scan detection function and set the threshold of port
scan detection function. Port scan sends packets with different port numbers to find available
services, which respond. The router will identify it and report a warning message if the port
scanning rate in packets per second exceeds the user-defined threshold value.
Enable <0/1>
threshold<Value>
threshold -s
Syntax Description
Syntax Description
enable Enter “Enable 1” to enable port scan detection.
Enter “Enable 0” to disable port scan detection.
value Enter the number of the threshold for port scan detection. The
range is from 0 to 65535. (default=300 packets/sec)
-s It is used for displaying the settings of current threshold.
Example
DrayTek/firewall/dos/portscan> enable 1
DrayTek/firewall/dos/portscan> threshold 200
DrayTek/firewall/dos/portscan> threshold -s
Firewall Port Scan Threshold: 200 Packets/sec
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