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  1. Guía de seguridad
  2. 1. Visión general de seguridad
    1. 1.1. Introducción a seguridad
      1. 1.1.1. ¿Qué es la seguridad informática?
      2. 1.1.2. SELinux
      3. 1.1.3. Controles de seguridad
      4. 1.1.4. Conclusión
    2. 1.2. Evaluación de vulnerabilidad
      1. 1.2.1. Pensar como el enemigo
      2. 1.2.2. Definición de evaluación y prueba
      3. 1.2.3. Evaluación de herramientas
    3. 1.3. Atacantes y vulnerabilidades
      1. 1.3.1. Breve historia de los hackers
      2. 1.3.2. Amenazas a la seguridad de la red
      3. 1.3.3. Amenazas a la seguridad del servidor
      4. 1.3.4. Amenazas a la estación de trabajo y a la seguridad del computador personal
    4. 1.4. Vulnerabilidades y ataques comunes
    5. 1.5. Actualizaciones de seguridad
      1. 1.5.1. Actualización de paquetes
      2. 1.5.2. Cómo verificar paquetes firmados
      3. 1.5.3. Cómo instalar paquetes firmados
      4. 1.5.4. Cómo aplicar los cambios
  3. 2. Cómo proteger la red
    1. 2.1. Seguridad de estación de trabajo
      1. 2.1.1. Evaluación de la seguridad de la estación de trabajo
      2. 2.1.2. BIOS y seguridad del gestor de arranque
      3. 2.1.3. Seguridad de contraseña
      4. 2.1.4. Controles administrativos
      5. 2.1.5. Servicios de red disponibles
      6. 2.1.6. Cortafuegos personales
      7. 2.1.7. Herramientas de comunicación de Seguridad Mejorada
    2. 2.2. Seguridad del servidor
      1. 2.2.1. Cómo proteger servicios con envolturas TCP y xinetd
      2. 2.2.2. Cómo proteger a Portmap
      3. 2.2.3. Cómo proteger a NIS
      4. 2.2.4. Cómo proteger a NFS
      5. 2.2.5. Cómo proteger el servidor HTTP de Apache
      6. 2.2.6. Cómo proteger FTP
      7. 2.2.7. Cómo proteger a Sendmail
      8. 2.2.8. Cómo verificar los puertos que están escuchando
    3. 2.3. Envolturas TCP y xinetd
      1. 2.3.1. Envolturas TCP
      2. 2.3.2. Archivos de configuración de envolturas TCP
      3. 2.3.3. xinetd
      4. 2.3.4. Archivos de configuración xinetd
      5. 2.3.5. Recursos adicionales
    4. 2.4. Redes privadas virtuales (VPN)
      1. 2.4.1. ¿Cómo funciona la VPN?
      2. 2.4.2. Openswan
    5. 2.5. Cortafuegos
      1. 2.5.1. Netfilter e IPTables
      2. 2.5.2. Configuración básica de cortafuegos
      3. 2.5.3. Uso de IPTables
      4. 2.5.4. Filtraje de IPTables comunes
      5. 2.5.5. Reglas FORWARD y NAT
      6. 2.5.6. Software malintencionado y direcciones IP falsas
      7. 2.5.7. IPTables y trazado de conexiones
      8. 2.5.8. IPv6
      9. 2.5.9. Recursos adicionales
    6. 2.6. IPTables
      1. 2.6.1. Filtraje de paquetes
      2. 2.6.2. Opciones de comandos para IPTables
      3. 2.6.3. Cómo guardar reglas de IPTables
      4. 2.6.4. Scripts de control de IPTables
      5. 2.6.5. IPTables e IPv6
      6. 2.6.6. Recursos adicionales
  4. 3. Cifrado
    1. 3.1. Datos quietos
    2. 3.2. Cifrado total de disco
    3. 3.3. Cifrado basado en archivos
    4. 3.4. Datos en movimiento
    5. 3.5. Redes virtuales privadas
    6. 3.6. Shell segura
    7. 3.7. Motor OpenSSL PadLock
    8. 3.8. Cifrado de disco LUKS
      1. 3.8.1. Implementación de LUKS en Red Hat Enterprise Linux
      2. 3.8.2. Directorios de cifrado manual
      3. 3.8.3. Instrucciones paso a paso
      4. 3.8.4. ¿Qué ha logrado?
      5. 3.8.5. Enlaces de interés
    9. 3.9. Uso del Guarda de privacidad GNU (GNUPG)
      1. 3.9.1. Creación de llaves GPG in GNOME
      2. 3.9.2. Creación de llaves GPG en KDE
      3. 3.9.3. Creación de llaves GPG mediante la línea de comandos
      4. 3.9.4. Acerca del cifrado de llaves públicas
  5. 4. Principios generales de protección de información
    1. 4.1. Consejos, guías y herramientas
  6. 5. Instalación segura
    1. 5.1. Particiones de discos
    2. 5.2. Utilice el cifrado de particiones LUKS
  7. 6. Mantenimiento de software
    1. 6.1. Software mínimo de instalación
    2. 6.2. Planeación y configuración de actualizaciones de seguridad
    3. 6.3. Ajuste de actualizaciones automáticas
    4. 6.4. Instalación de paquetes firmados desde repositorios bien conocidos
  8. 7. Normas y regulaciones federales
    1. 7.1. Introducción
    2. 7.2. Estándar de procesamiento de información federal (FIPS)
    3. 7.3. Manual de operación de programa de seguridad industrial Nacional (NISPON)
    4. 7.4. Estándar de seguridad de datos de industria de tarjetas de pago (PCI DSS)
    5. 7.5. Guía de implementación de seguridad técnica
  9. 8. Referencias
  10. A. Estándares de cifrado
    1. A.1. Cifrado sincronizado
      1. A.1.1. Estándar de cifrado avanzado - AES
      2. A.1.2. Estándar de cifrado de datos - DES
    2. A.2. Cifrado de llave pública
      1. A.2.1. Diffie-Hellman
      2. A.2.2. RSA
      3. A.2.3. DSA
      4. A.2.4. SSL/TLS
      5. A.2.5. Cripto-sistema Cramer-Shoup
      6. A.2.6. Cifrado ElGamal
  11. B. Historial de revisiones
  12. Aviso Legal

3.9.4. Acerca del cifrado de llaves públicas

  1. Wikipedia - Public Key Cryptography
  2. HowStuffWorks - Encryption
  • 3.9.3. Creación de llaves GPG mediante la línea de comandos
  • 4. Principios generales de protección de información
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