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Junos CLI Reference
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{ "lLangCode": "en", "lName": "English", "lCountryCode": "us", "transcode": "en_US" }
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tcp-rst

date_range 20-Nov-23

Syntax

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tcp-rst;

Hierarchy Level

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[edit security zones security-zone zone-name]

Description

Enable the device to send a TCP segment with the RST (reset) flag set to 1 (one) in response to a TCP segment with any flag other than SYN set and that does not belong to an existing session.

During flow first path process, a TCP RST packet is sent to the traffic originator if the TCP packet trying to create the flow session is not a SYN packet.

Default

By default, tcp-rst is disabled.

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.

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