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tcp port-scan threshold (IDS Screen Next Gen Services)



Hierarchy Level

Release Information

Statement introduced in Junos OS Release 19.3R2 on MX Series routers (MX240, MX480 and MX960) running Next Gen Services with the MX-SPC3 services card.


Detect port scans across a particular host. It differs from the TCP Sweep Screen, which identifies packets being sent across hosts (horizontal scan) versus across ports on a single host to identify what services are available (vertical scan). If 10 TCP attack packets are detected within the configured time that you set (xxxx microseconds), then the device .

The default time set is 5000 microseconds.

Range: 1000 through 1,000,000 microseconds

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.