Detections
Analytics
ESXI-67-000022 - The ESXi host SSH daemon must be configured to not allow gateway ports.
Information
SSH TCP connection forwarding provides a mechanism to establish TCP connections proxied by the SSH server. 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 Access Control Lists (ACLs). Gateway ports allow remote forwarded ports to bind to non-loopback addresses on the server.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':GatewayPorts no
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_VMW_vSphere_6-7_Y23M07_STIG.zip
Item Details
Audit Name: DISA STIG VMware vSphere 6.7 ESXi OS v1r3
Category: CONFIGURATION MANAGEMENT
References: 800-53|CM-6b., CAT|III, CCI|CCI-000366, Rule-ID|SV-239277r674760_rule, STIG-ID|ESXI-67-000022, Vuln-ID|V-239277
Plugin: Unix
Control ID: 1bc513a879424049a81bd7d5a03234f505abd029b862396c5df6e5cd9477593d