It's attempt to disable ciphers for the FDM port (TCP/8182) on ESXi follow the KB 320798.
But the disabled ciphers were still be detected by the security scanner.
The Custom TLS settings of the Fault Domain Manager (FDM) might not work on the on the following conditions:
VMware vCenter 8.0U3
This issue is resolved in the VMware ESXi 8.0 Update 3e (Build 24674464)
VMware ESXi 8.0 Update 3e Release Notes
https://techdocs.broadcom.com/us/en/vmware-cis/vsphere/vsphere/8-0/release-notes/esxi-update-and-patch-release-notes/vsphere-esxi-80u3e-release-notes.html
Disabling static ciphers for TLS in ESXi
https://knowledge.broadcom.com/external/article/320798/