List of Network Port Numbers
What is port number?
A port number is a way to identify a specific process to which a Internet or other network message is to be forwarded when it arrives especially at a server.
A port number is a way to identify a specific process to which a Internet or other network message is to be forwarded when it arrives especially at a server.
| Port Number | Description |
| 1 | TCP Port Service Multiplexer (TCPMUX) |
| 5 | Remote Job Entry(RJE) |
| 7 | ECHO |
| 15 | Netstat |
| 18 | Message Send Protocol(MSP) |
| 20 | FTP -- Data |
| 21 | FTP -- Control |
| 22 | SSH Remote Login Protocol |
| 23 | Telnet |
| 25 | Simple Mail Transfer Protocol(SMTP) |
| 29 | MSG ICP |
| 37 | Time |
| 42 | Host Name Server(Nameserv) |
| 43 | WhoIs |
| 49 | Login Host Protocol(Login) |
| 53 | Domain Name System(DNS) |
| 67 | Bootp |
| 68 | DHCP |
| 69 | Trivial File Transfer Protocol(TFTP) |
| 70 | Gopher Services |
| 79 | Finger |
| 80 | HTTP |
| 88 | Kerberos |
| 101 | Hostname |
| 103 | X.400 Standard |
| 108 | SNA Gateway Access Server |
| 109 | POP2 |
| 110 | POP3 |
| 115 | Simple File Transfer Protocol(SFTP) |
| 118 | SQL Services |
| 119 | Newsgroup(NNTP) |
| 123 | NTP(Network time protocol) |
| 137 | NetBIOS Name Service |
| 139 | NetBIOS Datagram Service |
| 143 | Interim Mail Access Protocol(IMAP) |
| 150 | NetBIOS Session Service |
| 156 | SQL Server |
| 161 | SNMP |
| 179 | Border Gateway Protocol(BGP) |
| 180 | RIS(Remote Installation Server) |
| 190 | Gateway Access Control Protocol(GACP) |
| 194 | Internet Relay Chat(IRC) |
| 197 | Directory Location Service(DLS) |
| 220 | IMAP3 |
| 389 | Lightweight Directory Access Protocol(LDAP) |
| 396 | Novell Netware over IP |
| 443 | HTTPS |
| 444 | Simple Network Paging Protocol(SNPP) |
| 445 | Microsoft-DS |
| 458 | Apple QuickTime |
| 500 | Internet Key Exchange,IKE(IPSec)(UDP 500) |
| 520 | RIP |
| 546 | DHCP Client |
| 547 | DHCP Server |
| 563 | SNEWS |
| 569 | MSN |
| 1080 | Socks |
| 3268 | AD Global Catalog |
| 3269 | AD Global Catalog over SSL |
| 3389 | Terminal services(Remote Desktop) |
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