Mediumapi-web-development 18 Common Ports Worth Knowing
- • 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
- • 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