IGRP
Interior Gateway Routing Protocol
RIP
Routing Information Protocol
520 UDP
FTP
File Transfer Protocol
20 datos
21 control
DNS
Domain Name Server
53
Telnet
Teletype Network
23
SSH
Secure Shell
22
LDAP
Lightweight Directory Access Protocol
puerto TCP preestablecido 389 (sin seguridad)
puerto por defecto para LDAP sobre SSL es 636 (con seguridad)
SNMP
Simple Network Management Protocol
161 UDP
162 UDP (TRAP)
IGMP
Internet Group Management Protocol
RIPng
Routing Information Protocol new generation
521 UDP
BGP
Border Gateway Protocol
179 TCP
HTTP
HyperText Transfer Protocol
80 TCP sin seguridad
HTTPS
HyperText Transfer Protocol Secure
443 TLS con seguridad
TLS Transport Layer Security