TMA-AIX-4.3.4.6
Ensure echo daemon is not in use
Descripción
This entry starts the echo service when required. This service sends back data received by it on a specified port. The echo service sends back data received by it on a specified port. This can be misused by an attacker to launch DoS attacks or Smurf attacks by initiating a data storm and causing network congestion. Audit: `lssrc -s inetd -l` must not list the service (count 0).
Cómo se verifica
Método de auditoría: Comando de shell
command -v lssrc >/dev/null 2>&1 || exit 1; n=$(lssrc -s inetd -l 2>/dev/null | grep -c 'echo'); echo "$n"- Salida esperada
0
Cómo se corrige
Método de corrección: Guía o parche de infraestructura
In /etc/inetd.conf, comment out the echo entry and refresh the inetd process: chsubserver -r inetd -C /etc/inetd.conf -d -v 'echo' -p tcp chsubserver -r inetd -C /etc/inetd.conf -d -v 'echo' -p udp lssrc -s inetd && refresh -s inetd
Propiedades
- Sistemas operativos
- Cualquiera
- Etiquetas
- aixservices
- Referencia
- CIS IBM AIX 7 Benchmark v1.2.0 - 4.3.4.6 Ensure echo daemon is not in use
Verificar este host
Ejecute esto en un equipo que tenga permiso para auditar. El escaneo es de solo lectura.
tmaegis scan --target aix