Ensure sshd PermitRootLogin is disabled

AltaNivel 1Automatizadafreebsd

Descripción

The PermitRootLogin parameter specifies if the root user can log in using SSH. The default is prohibit-password. Disallowing root logins over SSH requires system admins to authenticate using their own individual account, then escalating to root. This limits opportunity for non- repudiation and provides a clear audit trail in the event of a security incident. Audit: evaluates the effective configuration from `sshd -T` (Match blocks must be reviewed separately).

Cómo se verifica

Método de auditoría: Comando de shell

shell

command -v sshd >/dev/null 2>&1 || exit 1; out=$(sshd -T 2>/dev/null) || exit 1; r=compliant; for p in '^permitrootlogin[[:blank:]]+no$'; do printf '%s\n' "$out" | grep -Eiq -- "$p" || r="not matched: $p"; done; echo "$r"

Salida esperada: compliant

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

Edit the /etc/ssh/sshd_config file to set the parameter above any Include entries as follows: PermitRootLogin no

Propiedades

Sistemas operativos: Cualquiera
Etiquetas: freebsdssh
Referencia: CIS FreeBSD 14 Benchmark v1.0.1 - 4.2.19 Ensure sshd PermitRootLogin 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 freebsd