Common Ports

Port(s)	Protocol
20/21 (TCP)	FTP
22 (TCP)	SSH
23 (TCP)	Telnet
25 (TCP)	SMTP
80 (TCP)	HTTP
161 (TCP/UDP)	SNMP
389 (TCP/UDP)	LDAP
443 (TCP)	SSL/TLS (HTTPS)
445 (TCP)	SMB
3389 (TCP)	RDP

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