Port 20 - FTP (data) - TCP, Port 21 - FTP (control) - TCP, Port 22 - SSH - TCP, Port 23 - Telnet - TCP, Port 25 - SMTP - TCP, Port 53 - DNS - Both, Port 67 - DHCP (server) - UDP, Port 68 - DHCP (client) - UDP, Port 69 - TFTP - UDP, Port 80 - HTTP - TCP, Port 110 - POP3 - TCP, Port 137-139 - NTBIOS NetBT - Both, Port 143 - IMAP - TCP, Port 161/162 - SNMP - UDP, Port 389 - LDAP - Both, Port 427 - SLP - Both, Port 443 - HTTPS - Both, Port 445 - SMB/CIFS - TCP, Port 548 - AFP - TCP, Port 3389 - RDP - Both,

Port number > Application protocol

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