- FTP-File Transfer Protocol - tcp/21 (control)
tcp/20 (data in active mode) - SSH - Secure Shell - tcp/22
- SCP-Secure Copy -tcp/22
- SFTP - Secure File Transfer Protocol - tcp/22
- Telnet - tcp/23
- HTTP - Hypertext Transfer Protocol - tcp/80
- HTTPS - Hypertext Transfer Protocol Secure - tcp/443
- FTPS- FTP over SSL - tcp/990 (control), tcp/989 (data in active mode)
- NetBIOS - Network Basic Input/Output System - tcp/139 (session service)
- TFTP - Trivial File Transfer Protocol -udp/89
- NetBIOS-udp/137 (name, service), udp/138 (datagram service)
Reference: http://www.professormesser.com/free-comptia-security-training/common-network-ports-2/
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