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List of TCP and UDP port numbers
From Wikipedia, the free encyclopedia
This is a list of Internet socket port numbers used by protocols of the Transport Layer of the Internet Protocol Suite for the establishment of host-to-host communications.
Originally, these port numbers were used by the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP), but are used also for the Stream Control Transmission Protocol (SCTP), and the Datagram Congestion Control Protocol (DCCP). SCTP and DCCP services usually use a port number that matches the service of the corresponding TCP or UDP implementation if they exist.
The Internet Assigned Numbers Authority (IANA) is responsible for maintaining the official assignments of port numbers for specific uses.[ 1] However, many unofficial uses of both well-known and registered port numbers occur in practice.
Contents[hide ] |
[edit ] Table legend
Color coding of table entries
| Official | Port/application combination is registered with IANA |
| Unofficial | Port/application combination is not registered with IANA |
| Conflict | Port is in use for multiple applications (may be official or unofficial) |
[edit ] Well-known ports: 0–1023
The port numbers in the range from 0 to 1023 are the well-known ports . They are used by system processes that provide widely-used types of network services. On Unix-like operating systems, a process must execute with superuser privileges to be able to bind a network socket to an IP address using one of the well-known ports.
| 0 | UDP | Reserved | Official | |
| 1 | TCP | UDP | TCP Port Service Multiplexer (TCPMUX) | Official |
| 2 | TCP | UDP | CompressNET[ 2] Management Utility[ 3] | Official |
| 3 | TCP | UDP | CompressNET[ 2] Compression Process[ 4] | Official |
| 4 | TCP | UDP | Unassigned | Official |
| 5 | TCP | UDP | Remote Job Entry | Official |
| 6 | TCP | UDP | Unassigned | Official |
| 7 | TCP | UDP | Echo Protocol | Official |
| 8 | TCP | UDP | Unassigned | Official |
| 9 | TCP | UDP | Discard Protocol | Official |
| 10 | TCP | UDP | Unassigned | Official |
| 11 | TCP | UDP | Active Users (systat service)[ 5] [ 6] | Official |
| 12 | TCP | UDP | Unassigned | Official |
| 13 | TCP | UDP | Daytime Protocol (RFC 867 ) | Official |
| 14 | TCP | UDP | Unassigned | Official |
| 15 | TCP | UDP | netstat service[ 5] | Unofficial |
| 16 | TCP | UDP | Unassigned | Official |
| 17 | TCP | UDP | Quote of the Day | Official |
| 18 | TCP | UDP | Message Send Protocol | Official |
| 19 | TCP | UDP | Character Generator Protocol (CHARGEN) | Official |
| 20 | TCP | FTP —data transfer | Official | |
| 21 | TCP | FTP —control (command) | Official | |
| 22 | TCP | UDP | Secure Shell (SSH)—used for secure logins, file transfers (scp , sftp ) and port forwarding | Official |
| 23 | TCP | Telnet protocol—unencrypted text communications | Official | |
| 24 | TCP | UDP | Priv-mail : any private mail system. | Official |
| 25 | TCP | Simple Mail Transfer Protocol (SMTP)—used for e-mail routing between mail servers | Official | |
| 26 | TCP | UDP | Unassigned | Official |
| 27 | TCP | UDP | NSW User System FE | Official |
| 34 | TCP | UDP | Remote File (RF)—used to transfer files between machines | Unofficial |
| 35 | TCP | UDP | Any private printer server protocol | Official |
| 37 | TCP | UDP | TIME protocol | Official |
| 39 | TCP | UDP | Resource Location Protocol[ 7] (RLP)—used for determining the location of higher level services from hosts on a network | Official |
| 40 | TCP | UDP | Unassigned | Official |
| 41 | TCP | UDP | Graphics | Official |
| 42 | TCP | UDP | nameserver, ARPA Host Name Server Protocol | Official |
| 42 | TCP | UDP | WINS | Unofficial |
| 43 | TCP | WHOIS protocol | Official | |
| 47 | TCP | UDP | NI FTP[ 7] | Official |
| 49 | TCP | UDP | TACACS Login Host protocol | Official |
| 50 | TCP | UDP | Remote Mail Checking Protocol[ 8] | Official |
| 51 | TCP | UDP | IMP Logical Address Maintenance | Official |
| 52 | TCP | UDP | XNS (Xerox Network Systems ) Time Protocol | Official |
| 53 | TCP | UDP | Domain Name System (DNS) | Official |
| 54 | TCP | UDP | XNS (Xerox Network Systems ) Clearinghouse | Official |
| 55 | TCP | UDP | ISI Graphics Language (ISI-GL) | Official |
| 56 | TCP | UDP | XNS (Xerox Network Systems ) Authentication | Official |
| 56 | TCP | UDP | Route Access Protocol (RAP)[ 9] | Unofficial |
| 57 | TCP | Mail Transfer Protocol (MTP) | Unofficial | |
| 58 | TCP | UDP | XNS (Xerox Network Systems ) Mail | Official |
| 67 | UDP | Bootstrap Protocol (BOOTP) Server; also used by Dynamic Host Configuration Protocol (DHCP) | Official | |
| 68 | UDP | Bootstrap Protocol (BOOTP) Client; also used by Dynamic Host Configuration Protocol (DHCP) | Official | |
| 69 | UDP | Trivial File Transfer Protocol (TFTP) | Official | |
| 70 | TCP | Gopher protocol | Official | |
| 71 | TCP | NETRJS protocol | Official | |
| 72 | TCP | NETRJS protocol | Official | |
| 73 | TCP | NETRJS protocol | Official | |
| 74 | TCP | NETRJS protocol | Official | |
| 79 | TCP | Finger protocol | Official | |
| 80 | TCP | UDP | Hypertext Transfer Protocol (HTTP) | Official |
| 81 | TCP | Torpark —Onion routing | Unofficial | |
| 82 | UDP | Torpark —Control | Unofficial | |
| 83 | TCP | MIT ML Device | Official | |
| 88 | TCP | UDP | Kerberos —authentication system | Official |
| 90 | TCP | UDP | dnsix (DoD Network Security for Information Exchange) Securit Attribute Token Map | Official |
| 90 | TCP | UDP | Pointcast | Unofficial |
| 99 | TCP | WIP Message Protocol | Unofficial | |
| 101 | TCP | NIC host name | Official | |
| 102 | TCP | ISO -TSAP (Transport Service Access Point) Class 0 protocol[ 10] | Official | |
| 104 | TCP | UDP | ACR /NEMA Digital Imaging and Communications in Medicine | Official |
| 105 | TCP | UDP | CCSO Nameserver Protocol (Qi/Ph) | Official |
| 107 | TCP | Remote TELNET Service[ 11] protocol | Official | |
| 108 | TCP | UDP | SNA Gateway Access Server [ 12] | Official |
| 109 | TCP | Post Office Protocol v2 (POP2) | Official | |
| 110 | TCP | Post Office Protocol v3 (POP3) | Official | |
| 111 | TCP | UDP | ONC RPC (Sun RPC ) | Official |
| 113 | TCP | ident —Authentication Service/Identification Protocol,[ 13] used by IRC servers to identify users | Official | |
| 113 | UDP | Authentication Service[ 13] (auth) | Official | |
| 115 | TCP | Simple File Transfer Protocol (SFTP) | Official | |
| 117 | TCP | UUCP Path Service | Official | |
| 118 | TCP | UDP | SQL (Structured Query Language) Services | Official |
| 119 | TCP | Network News Transfer Protocol (NNTP)—retrieval of newsgroup messages | Official | |
| 123 | UDP | Network Time Protocol (NTP)—used for time synchronization | Official | |
| 135 | TCP | UDP | DCE endpoint resolution | Official |
| 135 | TCP | UDP | Microsoft EPMAP (End Point Mapper), also known as DCE/RPC Locator service,[ 14] used to remotely manage services including DHCP server , DNS server and WINS . Also used by DCOM | Unofficial |
| 137 | TCP | UDP | NetBIOS NetBIOS Name Service | Official |
| 138 | TCP | UDP | NetBIOS NetBIOS Datagram Service | Official |
| 139 | TCP | UDP | NetBIOS NetBIOS Session Service | Official |
| 143 | TCP | Internet Message Access Protocol (IMAP)—management of email messages | Official | |
| 152 | TCP | UDP | Background File Transfer Program (BFTP)[ 15] | Official |
| 153 | TCP | UDP | SGMP, Simple Gateway Monitoring Protocol | Official |
| 156 | TCP | UDP | SQL Service | Official |
| 158 | TCP | UDP | DMSP, Distributed Mail Service Protocol[ 16] | Unofficial |
| 161 | UDP | Simple Network Management Protocol (SNMP) | Official | |
| 162 | TCP | UDP | Simple Network Management Protocol Trap (SNMPTRAP)[ 17] | Official |
| 170 | TCP | Print-srv, Network PostScript | Official | |
| 175 | TCP | VMNET (IBM z/VM, z/OS & z/VSE - Network Job Entry(NJE)) | Official | |
| 177 | TCP | UDP | X Display Manager Control Protocol (XDMCP) | Official |
| 179 | TCP | BGP (Border Gateway Protocol) | Official | |
| 194 | TCP | UDP | Internet Relay Chat (IRC) | Official |
| 199 | TCP | UDP | SMUX , SNMP Unix Multiplexer | Official |
| 201 | TCP | UDP | AppleTalk Routing Maintenance | Official |
| 209 | TCP | UDP | The Quick Mail Transfer Protocol | Official |
| 210 | TCP | UDP | ANSI Z39.50 | Official |
| 213 | TCP | UDP | Internetwork Packet Exchange (IPX) | Official |
| 218 | TCP | UDP | Message posting protocol (MPP) | Official |
| 220 | TCP | UDP | Internet Message Access Protocol (IMAP), version 3 | Official |
| 256 | TCP | UDP | 2DEV "2SP" Port | Unofficial |
| 259 | TCP | UDP | ESRO, Efficient Short Remote Operations | Official |
| 264 | TCP | UDP | BGMP , Border Gateway Multicast Protocol | Official |
| 280 | TCP | UDP | http-mgmt | Official |
| 308 | TCP | Novastor Online Backup | Official | |
| 311 | TCP | Mac OS X Server Admin (officially AppleShare IP Web administration) | Official | |
| 318 | TCP | UDP | PKIX TSP, Time Stamp Protocol | Official |
| 319 | UDP | Precision time protocol event messages | Official | |
| 320 | UDP | Precision time protocol general messages | Official | |
| 323 | TCP | UDP | IMMP, Internet Message Mapping Protocol | Unofficial |
| 350 | TCP | UDP | MATIP-Type A, Mapping of Airline Traffic over Internet Protocol | Official |
| 351 | TCP | UDP | MATIP-Type B, Mapping of Airline Traffic over Internet Protocol | Official |
| 366 | TCP | UDP | ODMR, On-Demand Mail Relay | Official |
| 369 | TCP | UDP | Rpc2portmap | Official |
| 370 | TCP | codaauth2—Coda authentication server | Official | |
| 370 | UDP | codaauth2—Coda authentication server | Official | |
| 370 | UDP | securecast1—Outgoing packets to NAI 's servers [ 18] [dead link ] | Unofficial | |
| 371 | TCP | UDP | ClearCase albd | Official |
| 383 | TCP | UDP | HP data alarm manager | Official |
| 384 | TCP | UDP | A Remote Network Server System | Official |
| 387 | TCP | UDP | AURP, AppleTalk Update-based Routing Protocol[ 19] | Official |
| 389 | TCP | UDP | Lightweight Directory Access Protocol (LDAP) | Official |
| 401 | TCP | UDP | UPS Uninterruptible Power Supply | Official |
| 402 | TCP | Altiris , Altiris Deployment Client | Unofficial | |
| 411 | TCP | Direct Connect Hub | Unofficial | |
| 412 | TCP | Direct Connect Client-to-Client | Unofficial | |
| 427 | TCP | UDP | Service Location Protocol (SLP) | Official |
| 443 | TCP | HTTPS (Hypertext Transfer Protocol over SSL /TLS ) | Official | |
| 444 | TCP | UDP | SNPP , Simple Network Paging Protocol (RFC 1568 ) | Official |
| 445 | TCP | Microsoft-DS Active Directory , Windows shares | Official | |
| 445 | TCP | Microsoft-DS SMB file sharing | Official | |
| 464 | TCP | UDP | Kerberos Change/Set password | Official |
| 465 | TCP | Cisco protocol | Unofficial | |
| 465 | TCP | SMTP over SSL | Unofficial | |
| 475 | TCP | UDP | tcpnethaspsrv (Aladdin Knowledge Systems Hasp services, TCP/IP version) | Official |
| 497 | TCP | Dantz Retrospect | Official | |
| 500 | UDP | Internet Security Association and Key Management Protocol (ISAKMP) | Official | |
| 501 | TCP | STMF , Simple Transportation Management Framework—DOT NTCIP 1101 | Unofficial | |
| 502 | TCP | UDP | asa-appl-proto , Protocol | Unofficial |
| 502 | TCP | UDP | Modbus , Protocol | Unofficial |
| 504 | TCP | UDP | Citadel —multiservice protocol for dedicated clients for the Citadel groupware system | Official |
| 510 | TCP | First Class Protocol | Unofficial | |
| 512 | TCP | Rexec , Remote Process Execution | Official | |
| 512 | UDP | comsat, together with biff | Official | |
| 513 | TCP | rlogin | Official | |
| 513 | UDP | Who | Official | |
| 514 | TCP | Shell —used to execute non-interactive commands on a remote system (Remote Shell, rsh, remsh) | Official | |
| 514 | UDP | Syslog —used for system logging | Official | |
| 515 | TCP | Line Printer Daemon —print service | Official | |
| 517 | UDP | Talk | Official | |
| 518 | UDP | NTalk | Official | |
| 520 | TCP | efs, extended file name server | Official | |
| 520 | UDP | Routing Information Protocol (RIP) | Official | |
| 524 | TCP | UDP | NetWare Core Protocol (NCP) is used for a variety things such as access to primary NetWare server resources, Time Synchronization, etc. | Official |
| 525 | UDP | Timed, Timeserver | Official | |
| 530 | TCP | UDP | RPC | Official |
| 531 | TCP | UDP | AOL Instant Messenger, IRC | Unofficial |
| 532 | TCP | netnews | Official | |
| 533 | UDP | netwall, For Emergency Broadcasts | Official | |
| 540 | TCP | UUCP (Unix-to-Unix Copy Protocol) | Official | |
| 542 | TCP | UDP | commerce (Commerce Applications) | Official |
| 543 | TCP | klogin, Kerberos login | Official | |
| 544 | TCP | kshell, Kerberos Remote shell | Official | |
| 545 | TCP | OSIsoft PI (VMS), OSISoft PI Server Client Access | Unofficial | |
| 546 | TCP | UDP | DHCPv6 client | Official |
| 547 | TCP | UDP | DHCPv6 server | Official |
| 548 | TCP | Apple Filing Protocol (AFP) over TCP | Official | |
| 550 | UDP | new-rwho, new-who | Official | |
| 554 | TCP | UDP | Real Time Streaming Protocol (RTSP) | Official |
| 556 | TCP | Remotefs, RFS , rfs_server | Official | |
| 560 | UDP | rmonitor, Remote Monitor | Official | |
| 561 | UDP | monitor | Official | |
| 563 | TCP | UDP | NNTP protocol over TLS /SSL (NNTPS) | Official |
| 587 | TCP | e-mail message submission [ 20] (SMTP ) | Official | |
| 591 | TCP | FileMaker 6.0 (and later) Web Sharing (HTTP Alternate, also see port 80) | Official | |
| 593 | TCP | UDP | HTTP RPC Ep Map, Remote procedure call over Hypertext Transfer Protocol , often used by Distributed Component Object Model services and Microsoft Exchange Server | Official |
| 604 | TCP | TUNNEL profile,[ 21] a protocol for BEEP peers to form an application layer tunnel | Official | |
| 623 | UDP | ASF Remote Management and Control Protocol (ASF-RMCP) | Official | |
| 631 | TCP | UDP | Internet Printing Protocol (IPP) | Official |
| 631 | TCP | UDP | Common Unix Printing System (CUPS) | Unofficial |
| 635 | TCP | UDP | RLZ DBase | Official |
| 636 | TCP | UDP | Lightweight Directory Access Protocol over TLS /SSL (LDAPS) | Official |
| 639 | TCP | UDP | MSDP, Multicast Source Discovery Protocol | Official |
| 641 | TCP | UDP | SupportSoft Nexus Remote Command (control/listening): A proxy gateway connecting remote control traffic | Official |
| 646 | TCP | UDP | LDP, Label Distribution Protocol , a routing protocol used in MPLS networks | Official |
| 647 | TCP | DHCP Failover protocol[ 22] | Official | |
| 648 | TCP | RRP (Registry Registrar Protocol)[ 23] | Official | |
| 651 | TCP | UDP | IEEE-MMS | Official |
| 652 | TCP | DTCP, Dynamic Tunnel Configuration Protocol | Unofficial | |
| 653 | TCP | UDP | SupportSoft Nexus Remote Command (data): A proxy gateway connecting remote control traffic | Official |
| 654 | TCP | Media Management System (MMS) Media Management Protocol (MMP)[ 24] | Official | |
| 657 | TCP | UDP | IBM RMC (Remote monitoring and Control) protocol, used by System p5 AIX Integrated Virtualization Manager (IVM)[ 25] and Hardware Management Console to connect managed logical partitions (LPAR) to enable dynamic partition reconfiguration | Official |
| 660 | TCP | Mac OS X Server administration | Official | |
| 665 | TCP | sun-dr, Remote Dynamic Reconfiguration | Unofficial | |
| 666 | UDP | Doom , first online first-person shooter | Official | |
| 674 | TCP | ACAP (Application Configuration Access Protocol ) | Official | |
| 691 | TCP | MS Exchange Routing | Official | |
| 692 | TCP | Hyperwave-ISP | Official | |
| 694 | TCP | UDP | Linux-HA High availability Heartbeat | Official |
| 695 | TCP | IEEE-MMS-SSL (IEEE Media Management System over SSL )[ 26] | Official | |
| 698 | UDP | OLSR (Optimized Link State Routing ) | Official | |
| 699 | TCP | Access Network | Official | |
| 700 | TCP | EPP (Extensible Provisioning Protocol ), a protocol for communication between domain name registries and registrars (RFC 5734 ) | Official | |
| 701 | TCP | LMP (Link Management Protocol (Internet )),[ 27] a protocol that runs between a pair of nodes and is used to manage traffic engineering (TE) links | Official | |
| 702 | TCP | IRIS[ 28] [ 29] (Internet Registry Information Service) over BEEP (Blocks Extensible Exchange Protocol)[ 30] (RFC 3983 ) | Official | |
| 706 | TCP | Secure Internet Live Conferencing (SILC) | Official | |
| 711 | TCP | Cisco Tag Distribution Protocol [ 31] [ 32] [ 33] —being replaced by the MPLS Label Distribution Protocol[ 34] | Official | |
| 712 | TCP | Topology Broadcast based on Reverse-Path Forwarding routing protocol (TBRPF) (RFC 3684 ) | Official | |
| 712 | UDP | Promise RAID Controller | Unofficial | |
| 720 | TCP | SMQP, Simple Message Queue Protocol | Unofficial | |
| 749 | TCP | UDP | Kerberos (protocol) administration | Official |
| 750 | TCP | rfile | Official | |
| 750 | UDP | loadav | Official | |
| 750 | UDP | kerberos-iv, Kerberos version IV | Official | |
| 751 | TCP | UDP | pump | Official |
| 751 | TCP | UDP | kerberos_master, Kerberos authentication | Unofficial |
| 752 | TCP | qrh | Official | |
| 752 | UDP | qrh | Official | |
| 752 | UDP | passwd_server, Kerberos Password (kpasswd) server | Unofficial | |
| 753 | TCP | Reverse Routing Header (rrh)[ 35] | Official | |
| 753 | UDP | Reverse Routing Header (rrh) | Official | |
| 753 | UDP | userreg_server, Kerberos userreg server | Unofficial | |
| 754 | TCP | tell send | Official | |
| 754 | TCP | krb5_prop, Kerberos v5 slave propagation | Unofficial | |
| 754 | UDP | tell send | Official | |
| 760 | TCP | UDP | ns | Official |
| 760 | TCP | UDP | krbupdate [kreg], Kerberos registration | Unofficial |
| 782 | TCP | Conserver serial-console management server | Unofficial | |
| 783 | TCP | SpamAssassin spamd daemon | Unofficial | |
| 829 | TCP | CMP (Certificate Management Protocol) | Unofficial | |
| 843 | TCP | Adobe Flash socket policy server | Unofficial | |
| 847 | TCP | DHCP Failover protocol | Official | |
| 860 | TCP | iSCSI (RFC 3720 ) | Official | |
| 873 | TCP | <t |
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