Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?




Hierarchy Level


Disable checking of the TCP SYN bit before creating a session. By default, the device checks that the SYN bit is set in the first packet of a session. If the bit is not set, the device drops the packet.

Required Privilege Level

security—To view this statement in the configuration.

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

Release Information

Statement introduced in Junos OS Release 8.5.