STIGUI
V-251796CAT III — Low severitySV-251796r879588_rule

The NSX-T Manager must disable SSH.

Rule version TNDM-3X-000099 · STIG v1 · 2023-06-22

Discussion

The NSX-T shell provides temporary access to commands essential for server maintenance. Intended primarily for use in break-fix scenarios, the NSX-T shell is well suited for checking and modifying configuration details, not always generally accessible, using the web interface. The NSX-T shell is accessible remotely using SSH. Under normal operating conditions, SSH access to the managers must be disabled as is the default. As with the NSX-T shell, SSH is also intended only for temporary use during break-fix scenarios. SSH must therefore be disabled under normal operating conditions and must only be enabled for diagnostics or troubleshooting. Remote access to the managers must therefore be limited to the web interface and API at all other times.

Check

From an NSX-T Manager shell, run the following command(s):

> get service ssh

Expected results: Service name: ssh Service state: stopped Start on boot: False

If the output does not match the expected results, this is a finding.

Fix

From an NSX-T Manager shell, run the following command(s):

> stop service ssh
> clear service ssh start-on-boot

Identifiers

Group ID
V-251796
Group title
SRG-APP-000142-NDM-000245
Rule ID
SV-251796r879588_rule
Check ID
C-55256r810389_chk
Fix ID
F-55210r810390_fix