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Shaping Student Experiences: The NOW Way to Build Higher Education Networks

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The Future of In-Store Technologies

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Juniper ACX7020 Cloud Metro Access Router

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Next-gen AI-Native EX4000 line of switches

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Home Documentation Junos OS Junos CLI Reference CLI Reference S

Junos CLI Reference

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

date_range 20-Nov-23
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Syntax

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source-threshold number;

Hierarchy Level

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[edit security screen ids-option screen-name tcp syn-flood]

Description

Specify the number of SYN segments that the device can receive per second from a single source IP address (regardless of the destination IP address and port number) before the device begins dropping connection requests from that source.

Options

number—Number of SYN segments to be received per second before the device starts dropping connection requests.

  • Range: 4 through 500,000 per second

  • Default: 4000 per second

Note:

For SRX Series Firewalls the applicable range is 4 through 1,000,000 per second.

Required Privilege Level

security—To view this statement in the configuration.

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

Release Information

Statement modified in Junos OS Release 9.2.

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