Ensure minimum SNMP version is set to V3 for agent access

MediaNivel 1Automatizadaf5-bigip

Descripción

To disable the usage of weak SNMP protocols FAILs if any SNMP v1/v2c community (community-name) is configured under sys snmp; define SNMPv3 users instead. Audited against tmsh output with defaults shown: save the concatenated output of 'tmsh list auth password-policy all-properties', 'tmsh list auth source all-properties', 'tmsh list auth remote-user all-properties', 'tmsh list auth radius all-properties', 'tmsh list sys httpd all-properties', 'tmsh list sys sshd all-properties', 'tmsh list sys global-settings all-properties', 'tmsh list cli global-settings all-properties', 'tmsh list sys ntp', 'tmsh list sys snmp all-properties', 'tmsh list sys syslog' and 'tmsh list net self all-properties'. Patterns are scoped to the named top-level block.

Cómo se verifica

Método de auditoría: Patrón de configuración

Patrón: (?m)^sys snmp \{\n(?:[ \t]+[^\n]*\n)*?[ \t]+community-name \S+

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

tmsh modify sys snmp communities delete { <community> } tmsh modify sys snmp users add { v3user { username v3user auth-protocol sha auth-password <pw> privacy-protocol aes privacy-password <pw> security-level auth-privacy } } tmsh save sys config # CIS guidance: 1-Login to Configuration utility 2- Go to System > SNMP > Agent > SNMP Access (v1, v2c) : Select all listed entries and click "Delete" 3-Go to System > SNMP > Agent > SNMP Access (v3) : Make sure there is one entry at least , otherwise create one.

Propiedades

Sistemas operativos: Cualquiera
Etiquetas: f5-bigipsnmp
Referencia: CIS F5 Networks Benchmark v1.0.0 - 6.2 Ensure minimum SNMP version is set to V3 for agent access

Verificar este host

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

shell

tmaegis scan --target f5-bigip