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 A. Puertos TCP y UDPcomunes
Esta tabla enumera los números de puerto TCP y UDP comunes junto con los servicios o protocolos que suelen estar asociados a cada puerto. Los puertos son identificadores numéricos que permiten a las computadoras diferenciar entre múltiples servicios de red que se ejecutan en el mismo dispositivo, lo que facilita la entrega correcta de los paquetes de datos. La tabla incluye puertos conocidos, como el puerto 80 para HTTP y el puerto 443 para HTTPS, así como puertos utilizados para la transferencia de archivos (FTP), correo electrónico (SMTP, POP3, IMAP), administración de redes (SNMP) y muchos otros. Cada entrada especifica el protocolo de transporte compatible (TCP, UDP o ambos) y describe el uso típico o la aplicación asociada, lo que proporciona una referencia rápida para la configuración de la red, la resolución de problemas y la gestión de la seguridad. Ten en cuenta que la P significa «Protocolo» en casi todas las siglas. La tabla incluye información de PacketLife.net, el archivo /etc/services, mi experiencia y la lista de puertos de la IANA.
| Protocolo de aplicación | Número de puerto y protocolo |
|---|---|
|
TCP MUX |
1 TCP/UDP |
|
Eco |
7 TCP/UDP |
|
Datos FTP |
20 TCP/ |
|
Control FTP |
21 TCP |
|
SSHa |
22 TCP/UDP |
|
Telnet |
23 TCP |
|
SMTP |
25 TCP |
|
Protocolo TIME |
37 TCP/UDP |
|
Servidor de nombres o WINS |
42 TCP/UDP |
|
WHOIS |
43 TCP |
|
Host de inicio de sesión TACACS |
49 TCP/UDP |
|
DNS |
53 TCP/UDP Protocolo de ... |
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