Well-Known Ports
Search Well-Known Ports (0-1023). IANA officially registered network ports for developers.
Total Ports
104
Port Range
0 - 1023
Categories
8
104 results
| Port Number | Service |
|---|---|
| 0 | Reserved Reserved |
| 1 | TCPMUX TCP Port Service Multiplexer |
| 2 | CompressNET CompressNET Management |
| 3 | CompressNET CompressNET Compression |
| 5 | RJE Remote Job Entry |
| 7 | ECHO Echo Protocol |
| 9 | DISCARD Discard Protocol |
| 11 | SYSTAT System Status (Active Users) |
| 13 | DAYTIME Daytime Protocol |
| 15 | NETSTAT Network Status |
| 17 | QOTD QOTD |
| 18 | MSP Message Send Protocol |
| 19 | CHARGEN CHARGEN |
| 20 | FTP-DATA File Transfer Protocol (Data) |
| 21 | FTP File Transfer Protocol (Control) |
| 22 | SSH Secure Shell |
| 23 | TELNET Telnet Protocol |
| 25 | SMTP Simple Mail Transfer Protocol |
| 37 | TIME Time Protocol |
| 42 | WINS WINS |