February 2026
Intermediate to advanced
358 pages
10h 19m
Spanish
Content preview from Manual del equipo azul: respuesta ante incidentes (Spanish Edition)
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Apéndice B. Tipos y códigosICMP
Esta tabla presenta los distintos tipos y códigos del Protocolo de mensajes de control de Internet (ICMP), que se utiliza en dispositivos de red para enviar mensajes de error e información operativa. Cada tipo de ICMP representa una categoría general de mensajes, como Respuesta de eco (tipo 0) o Destino inaccesible (tipo 3). Dentro de algunos tipos, los códigos específicos proporcionan información más detallada sobre la condición o el error. Los mensajes ICMP son fundamentales para el diagnóstico, la resolución de problemas y el control de la red, ya que facilitan la comunicación sobre el estado de la red entre enrutadores, hosts y puertas de enlace. La tabla incluye información basada en un artículo de Wikipedia sobre ICMP, el Apéndice C del Tutorial de Iptables 1.1.19 publicado en FAQS.org y la página de parámetros ICMP de IANA.
| Tipo | Código | Descripción |
|---|---|---|
|
0 – Respuesta de eco |
0 |
Respuesta de eco (utilizada para hacer ping) |
|
1 y 2 |
Reservado |
|
|
3 – Destino inaccesible |
0 |
Red de destino inaccesible |
|
1 |
Host de destino inaccesible |
|
|
2 |
Protocolo de destino inaccesible |
|
|
3 |
Puerto de destino inaccesible |
|
|
4 |
Se requiere fragmentación y se ha establecido el indicador DF |
|
|
5 |
Ruta de origen fallida |
|
|
6 |
Red de destino desconocida |
|
|
7 |
Host de destino desconocido |
|
|
8 |
Host de origen aislado |
|
|
9 |
Red prohibida administrativamente |
|
|
10 |
Host prohibido administrativamente |
|
|
11 |
Red inaccesible para ... |
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