Detections
Analytics
ESXI-65-000025 - The ESXi host SSH daemon must not permit tunnels.
Information
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_Y21M07_STIG.zip
Item Details
Audit Name: DISA STIG VMware vSphere ESXi OS 6.5 v2r2
Category: CONFIGURATION MANAGEMENT
References: 800-53|CM-6, CAT|II, CCI|CCI-000366, Rule-ID|SV-207626r388482_rule, STIG-ID|ESXI-65-000025, STIG-Legacy|SV-104083, STIG-Legacy|V-93997, Vuln-ID|V-207626
Plugin: Unix
Control ID: 7e4f6de1da3e7612b913f11ed4536a8d5aa14c0eb84ab544cd1726aebeb264f8