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TMA-ESXI9-6.3.1

Host iSCSI client, if enabled, must employ bidirectional/mutual CHAP authentication

MediaNivel 1Automatizadavmware

Descripción

Implementing bidirectional CHAP authentication for iSCSI connections elevates security by necessitating mutual verification between the initiator (client) and target (server), ensuring data integrity during transmission. Configuration involves setting the iSCSI storage adapter authentication to "Use bidirectional CHAP" and providing the requisite credentials. The audit lists iSCSI adapters (esxcli iscsi adapter list) and requires CHAP level "required" in both uni and mutual directions on each; with no iSCSI adapters the rule passes. Runs in the ESXi Shell (busybox sh) as root.

Cómo se verifica

Método de auditoría: Comando de shell

shell
out=$(esxcli iscsi adapter list 2>/dev/null) || exit 1
ad=$(printf '%s\n' "$out" | awk 'NR > 2 && $1 ~ /^vmhba/ {print $1}')
bad=''
for a in $ad; do
  u=$(esxcli iscsi adapter auth chap get -A "$a" -d uni 2>/dev/null | sed -n 's/^ *Level: *//p' | head -n 1)
  m=$(esxcli iscsi adapter auth chap get -A "$a" -d mutual 2>/dev/null | sed -n 's/^ *Level: *//p' | head -n 1)
  [ "$u" = required ] && [ "$m" = required ] || bad="$bad $a(uni=${u:-?},mutual=${m:-?})"
done
[ -z "$bad" ] && echo compliant || echo "iSCSI adapters without bidirectional CHAP:$bad"
Salida esperada
compliant

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

To enable bidirectional CHAP authentication for iSCSI traffic, perform the following: 1. From the vSphere Web Client, select the host. 2. Click Configure then expand Storage. 3. Select Storage Adapters then select the iSCSI Adapter. 4. Under Properties click on Edit next to Authentication. 5. Next to Authentication Method select Use bidirectional CHAP from the dropdown. 6. Specify the outgoing CHAP name. Make sure that the name you specify matches the name configured on the storage side. To set the CHAP name to the iSCSI adapter name, select "Use initiator name".

Propiedades

Sistemas operativos
Cualquiera
Etiquetas
vmwareesxiservices
Referencia
CIS VMware ESXi 9.0 Benchmark v1.0.0 - 6.3.1 Host iSCSI client, if enabled, must employ bidirectional/mutual CHAP authentication

Verificar este host

Ejecute esto en un equipo que tenga permiso para auditar. El escaneo es de solo lectura.

shell
tmaegis scan --target vmware