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Common TCP/IP Port Numbers (20 FTP - Data (TCP), 21 FTP - Control (TCP),…
Common TCP/IP
Port Numbers
20 FTP - Data
TCP
21 FTP - Control
TCP
22 SSH
TCP
23 Telnet
TCP
25 SMTP
TCP
53 DNS
TCP / UDP
69 TFTP
UDP
80 HTTP
TCP
110 POP3
TCP
119 NNTP
TCP
123 NTP
UDP
161/162 SNMP
UDP
443 HTTPS
TCP