Ensure ipsrcrouteforward is disabled

MediaNivel 1Automatizadaaix

Descripción

The ipsrcrouteforward parameter determines whether or not the system forwards IPV4 source-routed packets. The ipsrcrouteforward will be set to 0, to prevent source-routed packets being forwarded by the system. This would prevent a hacker from using source-routed packets to bridge an external facing server to an internal LAN, possibly even through a firewall. Audit: `no -o ipsrcrouteforward` must report 0.

Cómo se verifica

Método de auditoría: Comando de shell

shell

command -v no >/dev/null 2>&1 || exit 1; out=$(no -o ipsrcrouteforward 2>/dev/null) || exit 1; printf '%s\n' "$out" | sed 's/[[:blank:]]*=[[:blank:]]*/=/'

Salida esperada: ipsrcrouteforward=0

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

no -p -o ipsrcrouteforward=0 (sets the running value and makes it persistent in /etc/tunables/nextboot)

Propiedades

Sistemas operativos: Cualquiera
Etiquetas: aixnetwork
Referencia: CIS IBM AIX 7 Benchmark v1.2.0 - 4.5.10 Ensure ipsrcrouteforward is disabled

Verificar este host

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

shell

tmaegis scan --target aix