The Juniper SRX Services Gateway must ensure TCP forwarding is disabled for SSH to prevent unauthorized access.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-223214	JUSX-DM-000114	SV-223214r513331_rule		Medium

Description
Use this configuration option to prevent a user from creating an SSH tunnel over a CLI session to the Juniper SRX via SSH. This type of tunnel could be used to forward TCP traffic, bypassing any firewall filters or ACLs, allowing unauthorized access.

STIG	Date
Juniper SRX SG NDM Security Technical Implementation Guide	2021-03-25

Details

Check Text ( C-24887r513329_chk )
Use the CLI to view this setting for disabled for SSH. [edit] show system services ssh If TCP forwarding is not disabled for the root user, this is a finding.

Fix Text (F-24875r513330_fix)
From the configuration mode, enter the following commands to disable TCP forwarding for the SSH protocol. [edit] set system services ssh no-tcp-forwarding