This table only lists the commonly used ports and protocols. For a complete list, refer to the IANA Documentation.
| Port | Protocol | Name | Description |
|---|---|---|---|
| 1 | TCP UDP | tcpmux | TCP port service multiplexer |
| 5 | TCP UDP | rje | Remote Job Entry |
| 7 | TCP UDP | echo | Echo service |
| 9 | TCP UDP | discard | Null service for connection testing |
| 11 | TCP UDP | systat | System Status service for listing connected ports |
| 13 | TCP UDP | daytime | Sends date and time to requesting host |
| 17 | TCP UDP | qotd | Sends quote of the day to connected host |
| 18 | TCP UDP | msp | Message Send Protocol |
| 19 | TCP UDP | chargen | Character Generation service; sends endless stream of characters |
| 20 | TCP UDP | ftp-data | FTP data port |
| 21 | TCP UDP | ftp | File Transfer Protocol (FTP) port; sometimes used by File Service Protocol (FSP) |
| 22 | TCP UDP | ssh | Secure Shell (SSH) service |
| 23 | TCP UDP | telnet | The Telnet service |
| 25 | TCP UDP | smtp | Simple Mail Transfer Protocol (SMTP) |
| 37 | TCP UDP | time | Time Protocol |
| 39 | TCP UDP | rlp | Resource Location Protocol |
| 42 | TCP UDP | nameserver | Internet Name Service |
| 43 | TCP UDP | nicname | WHOIS directory service |
| 49 | TCP UDP | tacacs | Terminal Access Controller Access Control System for TCP/IP based authentication and access |
| 50 | TCP UDP | re-mail-ck | Remote Mail Checking Protocol |
| 53 | TCP UDP | domain | Domain name services (DNS,such as BIND) |
| 63 | TCP UDP | whois++ | WHOIS++, extended WHOIS services |
| 67 | TCP UDP | bootps | Bootstrap Protocol (BOOTP) services; also used by Dynamic Host Configuration Protocol (DHCP) services |
| 68 | TCP UDP | bootpc | Bootstrap (BOOTP) client; also used by Dynamic Host Control Protocol (DHCP) clients |
| 69 | TCP UDP | tftp | Trivial File Transfer Protocol (TFTP) |
| 70 | TCP UDP | gopher | Gopher Internet document search and retrieval |
| 71 | TCP UDP | netrjs-1 | Remote Job Service |
| 72 | TCP UDP | netrjs-2 | Remote Job Service |
| 73 | TCP UDP | netrjs-3 | Remote Job Service |
| 74 | TCP UDP | netrjs-4 | Remote Job Service |
| 79 | TCP UDP | finger | Finger service for user contact information |
| 80 | TCP UDP | http | HyperText Transfer Protocol (HTTP) for World Wide Web (WWW) services |
| 88 | TCP UDP | kerberos | Kerberos network authentication system |
| 95 | TCP UDP | supdup | Telnet protocol extension |
| 101 | TCP UDP | hostname | Hostname services on SRI-NIC machines |
| 102 | TCP | iso-tsap | ISO Development Environment (ISODE) network applications |
| 105 | TCP UDP | csnet-ns | Mailbox nameserver; also used by CSO nameserver |
| 107 | TCP UDP | rtelnet | Remote Telnet |
| 109 | TCP UDP | pop2 | Post Office Protocol version 2 |
| 110 | TCP UDP | pop3 | Post Office Protocol version 3 |
| 111 | TCP UDP | sunrpc | Remote Procedure Call (RPC) Protocol for remote command execution, used by Network Filesystem (NFS) |
| 113 | TCP UDP | auth | Authentication and Ident protocols |
| 115 | TCP UDP | sftp | Secure File Transfer Protocol (SFTP) services |
| 117 | TCP UDP | uucp-path | Unix-to-Unix Copy Protocol (UUCP) Path services |
| 119 | TCP UDP | nntp | Network News Transfer Protocol (NNTP) for the USENET discussion system |
| 123 | TCP UDP | ntp | Network Time Protocol (NTP) |
| 137 | TCP UDP | netbios-ns | NETBIOS Name Service used in Red Hat Enterprise Linux by Samba |
| 138 | TCP UDP | netbios-dgm | NNETBIOS Datagram Service used in Red Hat Enterprise Linux by Samba |
| 139 | TCP UDP | netbios-ssn | NETBIOS Session Service used in Red Hat Enterprise Linux by Samba |
| 143 | TCP UDP | imap | Internet Message Access Protocol (IMAP) |
| 161 | TCP UDP | snmp | Simple Network Management Protocol (SNMP) |
| 162 | TCP UDP | snmptrap | Traps for SNMP |
| 163 | TCP UDP | cmip-man | Common Management Information Protocol (CMIP) |
| 164 | TCP UDP | cmip-agent | Common Management Information Protocol (CMIP) |
| 174 | TCP UDP | mailq | MAILQ email transport queue |
| 177 | TCP UDP | xdmcp | X Display Manager Control Protocol (XDMCP) |
| 178 | TCP UDP | nextstep | NeXTStep window server |
| 179 | TCP UDP | bgp | Border Gateway Protocol |
| 191 | TCP UDP | prospero | Prospero distributed filesystem services |
| 194 | TCP UDP | irc | Internet Relay Chat (IRC) |
| 199 | TCP UDP | smux | SNMP UNIX Multiplexer |
| 201 | TCP UDP | at-rtmp | AppleTalk routing |
| 202 | TCP UDP | at-nbp | AppleTalk name binding |
| 204 | TCP UDP | at-echo | AppleTalk echo |
| 206 | TCP UDP | at-zis | AppleTalk zone information |
| 209 | TCP UDP | qmtp | Quick Mail Transfer Protocol (QMTP) |
| 210 | TCP UDP | z39.50 | NISO Z39.50 database |
| 213 | TCP UDP | ipx | Internetwork Packet Exchange (IPX), a datagram protocol commonly used in Novell Netware environments |
| 220 | TCP UDP | imap3 | Internet Message Access Protocol version 3 |
| 245 | TCP UDP | link | LINK / 3-DNS iQuery service |
| 347 | TCP UDP | fatserv | FATMEN file and tape management server |
| 363 | TCP UDP | rsvp_tunnel | RSVP Tunnel |
| 369 | TCP UDP | rpc2portmap | Coda file system portmapper |
| 370 | TCP UDP | codaauth2 | Coda file system authentication services |
| 372 | TCP UDP | ulistproc | UNIX LISTSERV |
| 389 | TCP UDP | ldap | Lightweight Directory Access Protocol (LDAP) |
| 427 | TCP UDP | svrloc | Service Location Protocol (SLP) |
| 434 | TCP UDP | mobileip-agent | Mobile Internet Protocol (IP) agent |
| 435 | TCP UDP | mobilip-mn | Mobile Internet Protocol (IP) manager |
| 443 | TCP UDP | https | Secure Hypertext Transfer Protocol (HTTP) |
| 444 | TCP UDP | snpp | Simple Network Paging Protocol |
| 445 | TCP UDP | microsoft-ds | Server Message Block (SMB) over TCP/IP |
| 464 | TCP UDP | kpasswd | Kerberos password and key changing services |
| 468 | TCP UDP | photuris | Photuris session key management protocol |
| 487 | TCP UDP | saft | Simple Asynchronous File Transfer (SAFT) protocol |
| 488 | TCP UDP | gss-http | Generic Security Services (GSS) for HTTP |
| 496 | TCP UDP | pim-rp-disc | Rendezvous Point Discovery (RP-DISC) for Protocol Independent Multicast (PIM) services |
| 500 | TCP UDP | isakmp | Internet Security Association and Key Management Protocol (ISAKMP) |
| 535 | TCP UDP | iiop | Internet Inter-Orb Protocol (IIOP) |
| 538 | TCP UDP | gdomap | GNUstep Distributed Objects Mapper (GDOMAP) |
| 546 | TCP UDP | dhcpv6-client | Dynamic Host Configuration Protocol (DHCP) version 6 client |
| 547 | TCP UDP | dhcpv6-server | Dynamic Host Configuration Protocol (DHCP) version 6 Service |
| 554 | TCP UDP | rtsp | Real Time Stream Control Protocol (RTSP) |
| 563 | TCP UDP | nntps | Network News Transport Protocol over Secure Sockets Layer (NNTPS) |
| 565 | TCP UDP | whoami | whoami user ID listing |
| 587 | TCP UDP | submission | Mail Message Submission Agent (MSA) |
| 610 | TCP UDP | npmp-local | Network Peripheral Management Protocol (NPMP) local / Distributed Queueing System (DQS) |
| 611 | TCP UDP | npmp-gui | Network Peripheral Management Protocol (NPMP) GUI / Distributed Queueing System (DQS) |
| 612 | TCP UDP | hmmp-ind | HyperMedia Management Protocol (HMMP) Indication / DQS |
| 631 | TCP UDP | ipp | Internet Printing Protocol (IPP) |
| 636 | TCP UDP | ldaps | Lightweight Directory Access Protocol over Secure Sockets Layer (LDAPS) |
| 674 | TCP UDP | acap | Application Configuration Access Protocol (ACAP) |
| 694 | TCP UDP | ha-cluster | Heartbeat services for High-Availability Clusters |
| 749 | TCP UDP | kerberos-adm | Kerberos version 5 (v5) 'kadmin' database administration |
| 750 | TCP UDP | kerberos-iv | Kerberos version 4 (v4) services |
| 765 | TCP UDP | webster | Network Dictionary |
| 767 | TCP UDP | phonebook | Network Phonebook |
| 873 | TCP UDP | rsync | rsync file transfer services |
| 992 | TCP UDP | telnets | Telnets（Telnet over Secure Sockets Layer） |
| 993 | TCP UDP | imaps | Internet Message Access Protocol over Secure Sockets Layer (IMAPS) |
| 994 | TCP UDP | ircs | Internet Relay Chat over Secure Sockets Layer (IRCS) |
| 995 | TCP UDP | pop3s | Post Office Protocol version 3 over Secure Sockets Layer (POP3S) |
| 512 | TCP | exec | UNIX Authentication for remote process execution |
| 512 | UDP | biff [comsat] | UNIX Asynchrous mail client (biff) and service (comsat) |
| 513 | TCP | login | UNIX Remote Login (rlogin) |
| 513 | UDP | who [whod] | UNIX whod user logging daemon |
| 514 | TCP | shell [cmd] | UNIX Remote shell (rshell) and remote copy (rcp) with no logging |
| 514 | UDP | syslog | UNIX UNIX system logging service |
| 515 | TCP UDP | printer [spooler] | UNIX Line printer (lpr) spooler |
| 517 | UDP | talk | UNIX Talk remote calling service and client |
| 518 | UDP | ntalk | UNIX Network talk (ntalk) remote calling service and client |
| 519 | TCP UDP | utime [unixtime] | UNIX UNIX time (utime) protocol |
| 520 | TCP | efs | UNIX Extended Filename Server (EFS) |
| 520 | UDP | router [route, routed] | UNIX Routing Information Protocol (RIP) |
| 521 | TCP UDP | ripng | UNIX Routing Information Protocol for Internet Protocol version 6 (IPv6) |
| 525 | TCP UDP | timed [timeserver] | UNIX Time daemon (timed) |
| 526 | TCP | tempo [newdate] | UNIX Tempo |
| 530 | TCP | courier [rpc] | UNIX Courier Remote Procedure Call (RPC) protocol |
| 531 | TCP | conference [chat] | UNIX Internet Relay Chat |
| 532 | TCP UDP | netnews | UNIX Netnews newsgroup service |
| 533 | UDP | netwall | UNIX Netwall for emergency broadcasts |
| 540 | TCP | uucp [uucpd] | UNIX UNIX-to-UNIX copy services |
| 543 | TCP | klogin | UNIX Kerberos version 5 (v5) remote login |
| 544 | TCP | kshell | UNIX Kerberos version 5 (v5) remote shell |
| 548 | TCP UDP | afpovertcp | UNIX Appletalk Filing Protocol (AFP) over Transmission Control Protocol (TCP) |
| 556 | TCP UDP | remotefs [rfs_server, rfs] | UNIX Brunhoff's Remote Filesystem (RFS) |
| 1080 | TCP UDP | socks | Registered SOCKS network application proxy services |
| 1236 | TCP UDP | bvcontrol [rmtcfg] | Registered Remote configuration server for Gracilis Packeten network switches |
| 1300 | TCP UDP | h323hostcallsc | Registered H.323 telecommunication Host Call Secure |
| 1433 | TCP UDP | ms-sql-s | Registered Microsoft SQL Server |
| 1434 | TCP UDP | ms-sql-m | Registered Microsoft SQL Monitor |
| 1494 | TCP UDP | ica | Registered Citrix ICA Client |
| 1512 | TCP UDP | wins | Registered Microsoft Windows Internet Name Server |
| 1524 | TCP UDP | ingreslock | Registered Ingres Database Management System (DBMS) lock services |
| 1525 | TCP UDP | prospero-np | Registered Prospero non-privileged |
| 1645 | TCP UDP | datametrics [old-radius] | Registered Datametrics / old radius entry |
| 1646 | TCP UDP | sa-msg-port [oldradacct] | Registered sa-msg-port / old radacct entry |
| 1649 | TCP UDP | kermit | Registered Kermit file transfer and management service |
| 1701 | TCP UDP | l2tp [l2f] | Registered Layer 2 Tunneling Protocol (LT2P) / Layer 2 Forwarding (L2F) |
| 1718 | TCP UDP | h323gatedisc | Registered H.323 telecommunication Gatekeeper Discovery |
| 1719 | TCP UDP | h323gatestat | Registered H.323 telecommunication Gatekeeper Status |
| 1720 | TCP UDP | h323hostcall | Registered H.323 telecommunication Host Call setup |
| 1758 | TCP UDP | tftp-mcast | Registered Trivial FTP Multicast |
| 1759 | UDP | mtftp | Registered Multicast Trivial FTP (MTFTP) |
| 1789 | TCP UDP | hello | Registered Hello router communication protocol |
| 1812 | TCP UDP | radius | Registered Radius dial-up authentication and accounting services |
| 1813 | TCP UDP | radius-acct | Registered Radius Accounting |
| 1911 | TCP UDP | mtp | Registered Starlight Networks Multimedia Transport Protocol (MTP) |
| 1985 | TCP UDP | hsrp | Registered Cisco Hot Standby Router Protocol |
| 1986 | TCP UDP | licensedaemon | Registered Cisco License Management Daemon |
| 1997 | TCP UDP | gdp-port | Registered Cisco Gateway Discovery Protocol (GDP) |
| 2049 | TCP UDP | nfs [nfsd] | Registered Network File System (NFS) |
| 2102 | TCP UDP | zephyr-srv | Registered Zephyr distributed messaging Server |
| 2103 | TCP UDP | zephyr-clt | Registered Zephyr client |
| 2104 | TCP UDP | zephyr-hm | Registered Zephyr host manager |
| 2401 | TCP UDP | cvspserver | Registered Concurrent Versions System (CVS) client/server operations |
| 2430 | TCP | venus | Registered Venus cache manager for Coda file system (codacon port) |
| 2430 | UDP | venus | Registered Venus cache manager for Coda file system (callback/wbc interface) |
| 2431 | TCP | venus-se | Registered Venus Transmission Control Protocol (TCP) side effects |
| 2431 | UDP | venus-se | Registered Venus User Datagram Protocol (UDP) side effects |
| 2432 | UDP | codasrv | Registered Coda file system server port |
| 2433 | TCP | codasrv-se | Registered Coda file system TCP side effects |
| 2433 | UDP | codasrv-se | Registered Coda file system UDP SFTP side effect |
| 2600 | TCP UDP | hpstgmgr [zebrasrv] | Registered Zebra routing |
| 2601 | TCP UDP | discp-client [zebra] | Registered discp client; Zebra integrated shell |
| 2602 | TCP UDP | discp-server [ripd] | Registered discp server; Routing Information Protocol daemon (ripd) |
| 2603 | TCP UDP | servicemeter [ripngd] | Registered Service Meter; RIP daemon for IPv6 |
| 2604 | TCP UDP | nsc-ccs [ospfd] | Registered NSC CCS; Open Shortest Path First daemon (ospfd) |
| 2605 | TCP UDP | nsc-posa | Registered NSC POSA; Border Gateway Protocol daemon (bgpd) |
| 2606 | TCP UDP | netmon [ospf6d] | Registered Dell Netmon; OSPF for IPv6 daemon (ospf6d) |
| 2809 | TCP UDP | corbaloc | Registered Common Object Request Broker Architecture (CORBA) naming service locator |
| 3130 | TCP UDP | icpv2 | Registered Internet Cache Protocol version 2 (v2); used by Squid proxy caching server |
| 3306 | TCP UDP | mysql | Registered MySQL database service |
| 3346 | TCP UDP | trnsprntproxy | Registered Transparent proxy |
| 3389 | TCP UDP | ms-wbt-server | Registered Windows Remote Desktop ( RDP Protocol ) |
| 4011 | TCP UDP | pxe | Registered Pre-execution Environment (PXE) service |
| 4321 | TCP UDP | rwhois | Registered Remote Whois (rwhois) service |
| 4444 | TCP UDP | krb524 | Registered Kerberos version 5 (v5) to version 4 (v4) ticket translator |
| 5002 | TCP UDP | rfe | Registered Radio Free Ethernet (RFE) audio broadcasting system |
| 5308 | TCP UDP | cfengine | Registered Configuration engine (Cfengine) |
| 5999 | TCP UDP | cvsup [CVSup] | Registered CVSup file transfer and update tool |
| 6000 | TCP | x11 [X] | Registered X Window System services |
| 7000 | TCP UDP | afs3-fileserver | Registered Andrew File System (AFS) file server |
| 7001 | TCP UDP | afs3-callback | Registered AFS port for callbacks to cache manager |
| 7002 | TCP UDP | afs3-prserver | Registered AFS user and group database |
| 7003 | TCP UDP | afs3-vlserver | Registered AFS volume location database |
| 7004 | TCP UDP | afs3-kaserver | Registered AFS Kerberos authentication service |
| 7005 | TCP UDP | afs3-volser | Registered AFS volume management server |
| 7006 | TCP UDP | afs3-errors | Registered AFS error interpretation service |
| 7007 | TCP UDP | afs3-bos | Registered AFS basic overseer process |
| 7008 | TCP UDP | afs3-update | Registered AFS server-to-server updater |
| 7009 | TCP UDP | afs3-rmtsys | Registered AFS remote cache manager service |
| 9876 | TCP UDP | sd | Registered Session Director for IP multicast conferencing |
| 10080 | TCP UDP | amanda | Registered Advanced Maryland Automatic Network Disk Archiver (Amanda) backup services |
| 11371 | TCP UDP | pgpkeyserver | Registered Pretty Good Privacy (PGP) / GNU Privacy Guard (GPG) public keyserver |
| 11720 | TCP UDP | h323callsigalt | Registered H.323 Call Signal Alternate |
| 13720 | TCP UDP | bprd | Registered Veritas NetBackup Request Daemon (bprd) |
| 13721 | TCP UDP | bpdbm | Registered Veritas NetBackup Database Manager (bpdbm) |
| 13722 | TCP UDP | bpjava-msvc | Registered Veritas NetBackup Java / Microsoft Visual C++ (MSVC) protocol |
| 13724 | TCP UDP | vnetd | Registered Veritas network utility |
| 13782 | TCP UDP | bpcd | Registered Veritas NetBackup |
| 13783 | TCP UDP | vopied | Registered Veritas VOPIE authentication daemon |
| 22273 | TCP UDP | wnn6 [wnn4] | Registered Kana/Kanji conversion system |
| 26000 | TCP UDP | quake | Registered Quake (and related) multi-player game servers |
| 26208 | TCP UDP | wnn6-ds | Registered Wnn6 Kana/Kanji server |
| 33434 | TCP UDP | traceroute | Registered Traceroute network tracking tool |
| 15 | TCP | netstat | Unregistered Network Status (netstat) |
| 98 | TCP | linuxconf | Unregistered Linuxconf Linux administration tool |
| 106 | TCP UDP | poppassd | Unregistered Post Office Protocol password change daemon (POPPASSD) |
| 465 | TCP | smtps | Unregistered Simple Mail Transfer Protocol over Secure Sockets Layer (SMTPS) |
| 616 | TCP | gii | Unregistered Gated (routing daemon) Interactive Interface |
| 808 | TCP UDP | omirr [omirrd] | Unregistered Online Mirror (Omirr) file mirroring services |
| 871 | TCP | supfileserv | Unregistered Software Upgrade Protocol (SUP) server |
| 901 | TCP | swat | Unregistered Samba Web Administration Tool (SWAT) |
| 953 | TCP UDP | rndc | Unregistered Berkeley Internet Name Domain version 9 (BIND 9) remote configuration tool |
| 1127 | TCP | supfiledbg | Unregistered Software Upgrade Protocol (SUP) debugging |
| 1178 | TCP | skkserv | Unregistered Simple Kana to Kanji (SKK) Japanese input server |
| 1313 | TCP | xtel | Unregistered French Minitel text information system |
| 1529 | TCP | support [prmsd, gnatsd] | Unregistered GNATS bug tracking system |
| 2003 | TCP | cfinger | Unregistered GNU finger |
| 2150 | TCP UDP | ninstall | Unregistered Network Installation Service |
| 2988 | TCP UDP | afbackup | Unregistered afbackup client-server backup system |
| 3128 | TCP | squid | Unregistered Squid Web proxy cache |
| 3455 | TCP UDP | prsvp | Unregistered RSVP port |
| 5432 | TCP UDP | postgres | Unregistered PostgreSQL database |
| 4557 | TCP | fax | Unregistered FAX transmission service (old service) |
| 4559 | TCP | hylafax | Unregistered HylaFAX client-server protocol (new service) |
| 5232 | TCP UDP | sgi-dgl | Unregistered SGI Distributed Graphics Library |
| 5354 | TCP UDP | noclog | Unregistered NOCOL network operation center logging daemon (noclogd) |
| 5355 | TCP UDP | hostmon | Unregistered NOCOL network operation center host monitoring |
| 5680 | TCP | canna | Unregistered Canna Japanese character input interface |
| 6010 | TCP | x11-ssh-offset | Unregistered Secure Shell (SSH) X11 forwarding offset |
| 6667 | TCP UDP | ircd | Unregistered Internet Relay Chat daemon (ircd) |
| 7100 | TCP | xfs | Unregistered X Font Server (XFS) |
| 7666 | TCP | tircproxy | Unregistered Tircproxy IRC proxy service |
| 8008 | TCP UDP | http-alt | Unregistered Hypertext Tranfer Protocol (HTTP) alternate |
| 8080 | TCP UDP | webcache | Unregistered World Wide Web (WWW) caching service ; Tomcat Service |
| 8081 | TCP UDP | tproxy | Unregistered Transparent Proxy |
| 9100 | TCP | jetdirect [laserjet, hplj] | Unregistered Hewlett-Packard (HP) JetDirect network printing service |
| 9359 | TCP UDP | mandelspawn [mandelbrot] | Unregistered Parallel mandelbrot spawning program for the X Window System |
| 10081 | TCP UDP | kamanda | Unregistered Amanda backup service over Kerberos |
| 10082 | TCP | amandaidx | Unregistered Amanda index server |
| 10083 | TCP | amidxtape | Unregistered Amanda tape server |
| 20011 | TCP UDP | isdnlog | Unregistered Integrated Services Digital Network (ISDN) logging system |
| 20012 | TCP UDP | vboxd | Unregistered ISDN voice box daemon (vboxd) |
| 22305 | TCP | wnn4_Kr | Unregistered kWnn Korean input system |
| 22289 | TCP | wnn4_Cn | Unregistered cWnn Chinese input system |
| 22321 | TCP | wnn4_Tw | Unregistered tWnn Chinese input system (Taiwan) |
| 24554 | TCP UDP | binkp | Unregistered Binkley TCP/IP Fidonet mailer daemon |
| 27374 | TCP UDP | asp | Unregistered Address Search Protocol |
| 60177 | TCP UDP | tfido | Unregistered Ifmail FidoNet compatible mailer service |
| 60179 | TCP | fido | Unregistered FidoNet electronic mail and news network |
A complete list of common ports and protocols online, listing common port numbers, protocols used, service names, service descriptions and other information.
- Enter any port number or keyword in the input box to search. The case of the keyword is ignored.
-
Tag in port Description:
UNIX : UNIX-specific ports.
Registered : Ports submitted by the network and software community to the IANA for formal registration.
Unregistered : Unregistered ports that are used by services and protocols.
