The Juniper Networks SRX Series Gateway IDPS must block outbound traffic containing known and unknown DoS attacks by ensuring that anomaly-based attack objects are applied to outbound communications traffic.

From Juniper SRX SG IDPS Security Technical Implementation Guide

Part of SRG-NET-000192-IDPS-00140

Associated with: CCI-001095

SV-80891r1_rule The Juniper Networks SRX Series Gateway IDPS must block outbound traffic containing known and unknown DoS attacks by ensuring that anomaly-based attack objects are applied to outbound communications traffic.

Vulnerability discussion

The IDPS must include protection against DoS attacks that originate from inside the enclave which can affect either internal or external systems. These attacks may use legitimate or rogue endpoints from inside the enclave. To perform anomaly-based attacks on the Juniper SRX IDPS device, create an anomaly-based attack object.

Check content

From operational mode, enter the following command to verify that the anomaly-based attack object was created. show idp security policies If anomaly-based attack objects are not created, bound to a zone, and active, this is a finding.

Fix text

Create a protocol anomaly-based attack object: Specify a name for the attack. [edit] security idp custom-attack anomaly1 Specify common properties for the attack. [edit security idp custom-attack anomaly1] set severity info set time-binding scope peer count 2 Specify the attack type and test condition. [edit] security idp custom-attack anomaly1 set attack-type anomaly test OPTIONS_UNSUPPORTED Specify other properties for the anomaly attack. [edit] security idp custom-attack anomaly1 set attack-type anomaly service TCP u set attack-type anomaly direction any attack-type anomaly shellcode spark

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