• FTP (File Transfer Protocol): Uses TCP Port 21
• SSH (Secure Shell for Login): Uses TCP Port 22
• Telnet: Uses TCP Port 23 for remote login
• SMTP (Simple Mail Transfer Protocol): Uses TCP Port 25
• DNS: Uses UDP or TCP on Port 53 for DNS queries
• DHCP Server: Uses UDP Port 67
• DHCP Client: Uses UDP Port 68
• HTTP (Hypertext Transfer Protocol): Uses TCP Port 80
• POP3 (Post Office Protocol V3): Uses TCP Port 110
• NTP (Network Time Protocol): Uses UDP Port 123
• NetBIOS: Uses TCP Port 139 for NetBIOS service
• IMAP (Internet Message Access Protocol): Uses TCP Port 143
• HTTPS (Secure HTTP): Uses TCP Port 443
• SMB (Server Message Block): Uses TCP Port 445
• Oracle DB: Uses TCP Port 1521 for Oracle database communication port
• MySQL: Uses TCP Port 3306 for MySQL database communication port
• RDP: Uses TCP Port 3389 for Remote Desktop Protocol
• PostgreSQL: Uses TCP Port 5432 for PostgreSQL database communication