The ESXi host Secure Shell (SSH) daemon must disable port forwarding.

An XCCDF Rule

Details
Profiles

Description

While enabling Transmission Control Protocol (TCP) tunnels is a valuable function of sshd, this feature is not appropriate for use on the ESXi hypervisor.

ID: SV-258785r933416_rule
Version: ESXI-80-000230
Severity: Medium
References: CCI-000366
Updated: about 2 months ago

Remediation Templates

From an ESXi shell, run the following command:

# esxcli system ssh server config set -k allowtcpforwarding -v no

or
From a PowerCLI command prompt while connected to the ESXi host, run the following commands:

$esxcli = Get-EsxCli -v2
$arguments = $esxcli.system.ssh.server.config.set.CreateArgs()
$arguments.keyword = 'allowtcpforwarding'
$arguments.value = 'no'
$esxcli.system.ssh.server.config.set.Invoke($arguments)

The ESXi host Secure Shell (SSH) daemon must disable port forwarding.

Description

Remediation Templates

A Manual Procedure