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TMA-AIX-4.2.2

Ensure NIS server services are not in use

AltaNivel 1Automatizadaaix

Descripción

A Network Information Service (NIS) server is a host that provides configuration information to other hosts on a network. NIS servers store tables of information about users, groups, and more. They also maintain a set of maps and run the ypserv daemon, which processes requests from clients for information in those maps. Audit: passes when bos.net.nis.server is not installed; if NIS server is approved, review /var/yp/securenets manually.

Cómo se verifica

Método de auditoría: Comando de shell

shell
command -v lslpp >/dev/null 2>&1 || exit 1; lslpp -L >/dev/null 2>&1 || exit 1; out=$( { lslpp -L | grep -i 'bos.net.nis.server' ; } 2>/dev/null ); [ -z "$out" ] && echo compliant || printf '%s\n' "$out" | head -n 20
Salida esperada
compliant

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

Ensure that all of the NIS daemons are inactive: stopsrc -g yp De-install the NIS server software: installp -u bos.net.nis.server - OR - - IF - the NIS server package is required as a dependency, or NIS must be used in the environment, and is approved by local site policy: Ensure that all of the NIS daemons are inactive: stopsrc -g yp De-install the NIS server software: installp -u bos.net.nis.server Create and secure the /var/yp/securenets file (if it does not already exist): touch /var/yp/securenets chmod u=rw,go= /var/yp/securenets chown root:system /var/yp/securenets Edit the file: vi /var/yp/securenets Add the allowed subnets: 255.255.255.0 128.311.10.0 NOTE: The format of the file is netmask netaddr as shown in the example above. Explicitly define all valid network subnets (one entry per line). Stop and start NIS to implement the configuration changes: stopsrc -g yp startsrc -g yp

Propiedades

Sistemas operativos
Cualquiera
Etiquetas
aixservices
Referencia
CIS IBM AIX 7 Benchmark v1.2.0 - 4.2.2 Ensure NIS server services are not in use

Verificar este host

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

shell
tmaegis scan --target aix