Only Allowed Client can Access to Cluster

AltaNivel 1Automatizadaoceanbase

Descripción

Specify an client whitelist of approved servers that can access to the cluster. The benchmark rates this recommendation Manual; the automated check covers its objective pass criterion. Oracle-mode tenant. Passes when ob_tcp_invited_nodes is an explicit IP list rather than '%'. Runs obclient against an Oracle-mode tenant using the connection options in OB_ORA_CONN (default "-h127.0.0.1 -P2881 -uSYS@oracle"); supply the password via OB_ORA_CONN (-p...) or ~/.my.cnf.

Cómo se verifica

Método de auditoría: Consulta SQL

sql_query

out=$(obclient ${OB_ORA_CONN:--h127.0.0.1 -P2881 -uSYS@oracle} -N -B -e "SHOW VARIABLES LIKE 'ob_tcp_invited_nodes'" 2>/dev/null) || exit 1; printf '%s\n' "$out" | awk -F'\t' '$1 == "ob_tcp_invited_nodes" {v = $2; f = 1} END {gsub(/[[:space:]]/, "", v); print (f && v != "" && v != "%") ? "compliant" : "noncompliant"}'

Salida esperada: compliant

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

SET GLOBAL ob_tcp_invited_nodes = '<ip list>'; containing only the approved client addresses.

Propiedades

Sistemas operativos: Cualquiera
Etiquetas: oceanbasenetworkoracle-mode
Referencia: CIS OceanBase Enterprise Edition V4 Benchmark v1.0.0 - 5.2.3 Only Allowed Client can Access to Cluster

Verificar este host

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

shell

tmaegis scan --target oceanbase