Detections
Analytics
ESXI-65-000025 - The ESXi host SSH daemon must not permit tunnels.
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This audit has been deprecated and will be removed in a future update.
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OpenSSH has the ability to create network tunnels (layer-2 and layer-3) over an SSH connection. This function can provide similar convenience to a Virtual Private Network (VPN) with the similar risk of providing a path to circumvent firewalls and network ACLs.Solution
From an SSH session connected to the ESXi host, or from the ESXi shell, add or correct the following line in '/etc/ssh/sshd_config':PermitTunnel no
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_VMW_vSphere_6-5_Y20M04_STIG.zip
Item Details
Audit Name: DISA STIG VMware vSphere ESXi OS 6.5 v1r4
Category: CONFIGURATION MANAGEMENT
References: 800-53|CM-6, CAT|II, CCI|CCI-000366, Rule-ID|SV-104083r1_rule, STIG-ID|ESXI-65-000025, Vuln-ID|V-93997
Plugin: Unix
Control ID: 12806d9978aa2dfccc8ee43a311f0818e37753515add90098fe5bbe712b2734e