Comptia port numbers
Port 7 | Echo - Echo service |
Port 20 | FTP-data - File Transfer Protocol data transfer |
Port 21 | FTP - File Transfer Protocol (FTP) control connection |
Port 22 | SSH - Secure Shell, secure logins, file transfers (scp, sftp), and port forwarding |
Port 23 | Telnet - Telnet protocol—unencrypted text communications |
Port 25 | SMTP - Simple Mail Transfer Protocol, used for email routing between mail servers |
Port 53 | DNS - Domain Name System name resolver |
Port 69 | TFTP - Trivial File Transfer Protocol |
Port 80 | HTTP - Hypertext Transfer Protocol (HTTP) uses TCP in versions 1.x and 2. HTTP/3 uses QUIC, a transport protocol on top of UDP |
Port 110 | POP3 - Post Office Protocol, version 3 (POP3) |
Port 137 | NetBIOS |
Port 143 | IMAP4 - Internet Message Access Protocol (IMAP), management of electronic mail messages on a server |
Port 443 | HTTP over SSL - Hypertext Transfer Protocol Secure (HTTPS) uses TCP in versions 1.x and 2. HTTP/3 uses QUIC, a transport protocol on top of UDP. |
Port 587 | SMTP - Email message submission |
Port 1337 | WASTE - WASTE Encrypted File Sharing Program |
Port 67 | DHCP IN |
Port 68 | DHCP OUT |
Port 161 | SNMP - Simple Network Management Protocol |
Port 389 | CDAP - Lightweight Directory Access Port |
Port 445 | SMB - Server message block |
Port 993 | sIMAP - sIMAP4 |
Port 3389 | RDP - Remote desktop protocol |
Port 123 | NTP - Network Time Protocol |