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Last updated：2021-08-03 18:56:33
| Port | Name | Function |
|---|---|---|
| 1 | tcpmux | TCP port service multiplexer |
| 5 | rje | Remote Job Entry |
| 7 | echo | Echo service |
| 9 | discard | Null service for connection testing |
| 11 | systat | System Status service for listing connected ports |
| 13 | daytime | Sends date and time to the requesting host |
| 17 | qotd | Send Quote of the Dayto the connected host |
| 18 | msp | Message Send Protocol |
| 19 | chargen | Character Generation service; sends endless stream of characters |
| 20 | ftp-data | FTP data port |
| 21 | ftp | File Transfer Protocol (FTP) port; sometimes used by the File Service Protocol (FSP) |
| 22 | ssh | Security Shell (SSH) service |
| 23 | telnet | Telnet service |
| 25 | smtp | Simple Mail Transfer Protocol (SMTP) |
| 37 | time | Time protocol |
| 39 | rlp | Resource Location Protocol |
| 42 | nameserver | Internet Name Service |
| 43 | nicname | WHOIS directory service |
| 49 | tamacas | Terminal Access Controller Access Control System for TCP/IP based authentication and access |
| 50 | re-mail-ck | Remote Mail Checking Protocol |
| 53 | domain | Domain name services (such as BIND) |
| 63 | who is+ + | WHOIS++, extended WHOIS service |
| 67 | bootps | Bootstrap Protocol (BOOTP) services; also used by Dynamic Host Configuration Protocol (DHCP) services |
| 68 | bootpc | Bootstrap (BOOTP) client; also used by Dynamic Host Control Protocol (DHCP) clients |
| 69 | tftp | Trivial File Transfer Protocol (TFTP) |
| 70 | gopher | Gopher Internet document search and retrieval |
| 71 | netrjs-1 | Remote Job Service |
| 72 | netrjs-2 | Remote Job Service |
| 73 | netrjs-3 | Remote Job Service |
| 74 | netrjs-4 | Remote Job Service |
| 79 | finger | Finger service for user contact information |
| 80 | http | Hypertext Transfer Protocol (HTTP) for World Wide Web (WWW) services |
| 88 | kerberos | Kerberos network authentication system |
| 95 | supdup | Telnet protocol extension |
| 101 | hostname | Hostname service on SRI-NIC machines |
| 102 | iso-tsap | ISO Development Environment (ISO DE) network applications |
| 105 | csnet-ns | Mailbox nameserver; also used by CSO nameserver |
| 107 | rtelnet | Remote Telnet |
| 109 | pop2 | Post Office Protocol version 2 |
| 110 | pop3 | Post Office Protocol version 3 |
| 111 | sunrpc | Remote Procedure Call (RPC) Protocol for remote command execution, used by Network Filesystem (NFS) |
| 113 | auth | Authentication and identification protocols |
| 115 | sftp | Secure File Transfer Protocol (SFTP) services |
| 117 | uucp-path | Unix-to-Unix Copy Protocol (UUCP) Path services |
| 119 | nntp | Network News Transfer Protocol (NNTP) for the USENET discussion system |
| 123 | ntp | Network Time Protocol (NTP) |
| 137 | netbios-ns | NETBIOS Name Service used in Red Hat Enterprise Linux by Samba |
| 138 | netbios-dgm | NETBIOS Datagram Service used in Red Hat Enterprise Linux by Samba |
| 139 | netbios-ssn | NETBIOS Session Service used in Red Hat Enterprise Linux by Samba |
| 143 | imap | Internet Message Access Protocol (IMAP) |
| 161 | snmp | Simple Network Management Protocol (SNMP) |
| 162 | snmptrap | Traps for SNMP |
| 163 | cmip-man | Common Management Information Protocol (CMIP) |
| 164 | cmip-agent | Common Management Information Protocol (CMIP) |
| 174 | mailq | MAILQ |
| 177 | Xdmcp | X Display Manager Control Protocol (XDMCP) |
| 178 | nextstep | NEXTStep window server |
| 179 | bgp | Border Gateway Protocol |
| 191 | preospero | Prospero distributed filesystem services |
| 194 | irc | Internet Relay Chat (IRC) |
| 199 | smux | SNMP UNIX Multiplexer |
| 201 | at-rtmp | AppleTalk routing |
| 202 | at-nbp | AppleTalk name binding |
| 204 | at-echo | AppleTalk echo |
| 206 | at-zis | AppleTalk zone information |
| 209 | qmtp | Quick Mail Transfer Protocol (QMTP) |
| 210 | z39.50 | NISO Z39.50 database |
| 213 | ipx | Internetwork Packet Exchange (IPX), a datagram protocol commonly used in Novell Netware environments |
| 220 | imap3 | Internet Message Access Protocol version 3 |
| 245 | link | LINK / 3-DNS iQuery service |
| 347 | fatserev | FATMEN file and tape management server |
| 363 | rsvp_tunnel | RSVP tunnel |
| 369 | rpc2portmap | Coda file system portmapper |
| 370 | codaauth2 | Coda file system authentication services |
| 372 | ulistproc | UNIX LISTSERV |
| 389 | ldap | Lightweight Directory Access Protocol (LDAP) |
| 427 | svrloc | Service Location Protocol (SLP) |
| 434 | mobileip-agent | Mobile Internet Protocol (IP) agent |
| 435 | mobilip-mn | Mobile Internet Protocol (IP) manager |
| 443 | https | Secure Hypertext Transfer Protocol (HTTP) |
| 444 | snpp | Simple Network Paging Protocol |
| 445 (ISP forbidden) | microsoft-ds | Server Message Block (SMB) over TCP/IP |
| 464 | kpasswd | Kerberos password and key changing services |
| 468 | photuris | Photuris session key management protocol |
| 487 | saft | Simple Asynchronous File Transfer (SAFT) protocol |
| 488 | gss-http | Generic Security Services (GSS) for HTTP |
| 496 | pim-rp-disc | Rendezvous Point Discovery (RP-DISC) for Protocol Independent Multicast (PIM) services |
| 500 | isakmp | Internet Security Association and Key Management Protocol (ISAKMP) |
| 535 | iiop | Internet Inter-Orb Protocol (IIOP) |
| 538 | gdomapGNUstep | GNUstep Distributed Objects Mapper (GDOMAP) |
| 546 | dhcpv6-client | Dynamic Host Configuration Protocol (DHCP) version 6 user |
| 547 | dhcpv6-server | Dynamic Host Configuration Protocol (DHCP) version 6 Service |
| 554 | rtsp | Real Time Stream Control Protocol (RTSP) |
| 563 | nntps | Network News Transport Protocol over Secure Sockets Layer (NNTPS) |
| 565 | whoami | whoami user ID listing |
| 587 | submission | Mail Message Submission Agent (MSA) |
| 610 | npmp-local | Network Peripheral Management Protocol (NPMP) local / Distributed Queueing System (DQS) |
| 611 | npmp-gui | Network Peripheral Management Protocol (NPMP) GUI / Distributed Queueing System (DQS) |
| 612 | hmmp-ind | HyperMedia Management Protocol (HMMP) Indication / DQS |
| 636 | ldaps | Lightweight Directory Access Protocol over Secure Sockets Layer (LDAPS) |
| 674 | acap | Application Configuration Access Protocol (ACAP) |
| 694 | ha-cluster | Heartbeat services for High-Availability Clusters |
| 749 | kerberos-am | Kerberos version 5 (v5) 'kadmin' database administration |
| 750 | kerberos-iv | Kerberos version 4 (v4) services |
| 765 | webster | Network Dictionary |
| 767 | phonebook | Network Phonebook |
| 873 | rsync | rsync file transfer services |
| 992 | telnets | Telnet over Secure Sockets Layer (TelnetS) |
| 993 | imaps | Internet Message Access Protocol over Secure Sockets Layer (IMAPS) |
| 994 | Ircs | Internet Relay Chat over Secure Sockets Layer (IRCS) |
| 995 | Pop3s | Post Office Protocol version 3 over Secure Sockets Layer (POP3S) |
| Port | Name | Function |
|---|---|---|
| 512/tcp | exec | Authentication for remote process execution |
| 512/udp | biff [comsat] | Asynchronous mail client (biff) and service (comsat) |
| 513/tcp | login | Remote Login (rlogin) |
| 513/udp | who [whod] | whod user logging daemon |
| 514/tcp | shell [cmd] | Remote shell (rshell) and remote copy (rcp) with no logging |
| 514/udp | syslog | UNIX system logging service |
| 515 | printer [spooler] | Line printer (lpr) spooler |
| 517/udp | talk | Talk remote calling service and client |
| 518/udp | ntalk | Network talk (ntalk) remote calling service and client |
| 519 | utime [unixtime] | UNIX time (utime) protocol |
| 520/tcp | efs | Extended Filename Server (EFS) |
| 520/udp | router [route,routed] | Routing Information Protocol (RIP) |
| 521 | ripng | Routing Information Protocol for Internet Protocol version 6 (IPv6) |
| 525 | timed [timeserver] | Time daemon (timed) |
| 526/tcp | tempo [newdate] | Tempo |
| 530/tcp | courier [rpc] | Courier Remote Procedure Call (RPC) protocol |
| 531/tcp | conference [chat] | Internet Relay Chat |
| 532 | netnews | Netnews newsgroup service |
| 533/udp | netwall | Netwall for emergency broadcasts |
| 540/tcp | uucp [uucpd] | UNIX-to-UNIX copy services |
| 543/tcp | klogin | Kerberos version 5 (v5) remote login |
| 544/tcp | kshell | Kerberos version 5 (v5) remote shell |
| 548 | afpovertcp | Appletalk Filing Protocol (AFP) over Transmission Control Protocol (TCP) |
| 556 | remotefs [rfs_server, rfs] | Brunhoff's Remote Filesystem (RFS) |
| Port | Name | Function |
|---|---|---|
| 1080 | socks | SOCKS network application proxy services |
| 1236 | bvcontrol [rmtcfg] | Remote configuration server for Gracilis Packeten network switches |
| 1300 | h323hostcallsc | H.323 telecommunication Host Call Secure |
| 1433 | ms-sql -s | Microsoft SQL Server |
| 1434 | ms-sql -m | Microsoft SQL Monitor |
| 1494 | icaCitrix | Citrix ICA Client |
| 1512 | wins | Microsoft Windows Internet Name Server |
| 1524 | ingreslock | Ingres Database Management System (DBMS) lock services |
| 1525 | prospero -np | Prospero non-privileged |
| 1645 | datametrics [old-radius] | Datametrics / old radius entry |
| 1646 | sa-msg-port [oldradacct] | sa-msg-port / old radacct entry |
| 1649 | kermit | Kermit file transfer and management service |
| 1701 | l2tp [l 2f ] | Layer 2 Tunneling Protocol (LT2P) / Layer 2 Forwarding (L2F) |
| 1718 | h323gatedisc | H.323 telecommunication Gatekeeper Discovery |
| 1719 | h323gatestat | H.323 telecommunication Gatekeeper Status |
| 1720 | h323hostcall | H.323 telecommunication Host Call setup |
| 1758 | tftp-mcast | Trivial FTP Multicast |
| 1759 | mtftp | Multicast Trivial FTP (MTFTP) |
| 1789 | hello | Hello router communication protocol |
| 1812 | radius | Radius dial-up authentication and accounting services |
| 1813 | radius-acct | Radius Accounting |
| 1911 | mtp | Starlight Networks Multimedia Transport Protocol (MTP) |
| 1985 | hsrp | Cisco Hot Standby Router Protocol |
| 1986 | licensedaemon | Cisco License Management Daemon |
| 1997 | gdp-port | Cisco Gateway Discovery Protocol (GDP) |
| 2049 | nfs [nfsd] | Network File System (NFS) |
| 2102 | zephyr-srv | Zephyr distributed messaging server |
| 2103 | zephyr-clt | Zephyr client |
| 2104 | zephyr-hm | Zephyr host manager |
| 2401 | cvspserver | Concurrent Versions System (CVS) client/server operations |
| 2430/tcp | venus | Venus cache manager for Coda file system (codacon port) |
| 2430/udp | venus | Venus cache manager for Coda file system (callback/wbc interface) |
| 2431/tcp | venus-se | Venus Transmission Control Protocol (TCP) side effects |
| 2431/udp | venus-se | Venus User Datagram Protocol (UDP) side effects |
| 2432/udp | codasrv | Coda file system server port |
| 2433/tcp | codasrv-se | Coda file system TCP side effects |
| 2433/udp | codasrv-se | Coda file system UDP SFTP side effect |
| 2600 | hpstgmgr [zebrasrv] | Zebra routing |
| 2601 | discp-client[zebra] | discp client; Zebra integrated shell |
| 2602 | discp-server[ripd] | discp server; Routing Information Protocol daemon (ripd) |
| 2603 | Servicemeter [ripngd] | Service Meter; RIP daemon for IPv6 |
| 2604 | nsc-ccs [ospfd] | NSC CCS; Open Shortest Path First daemon (ospfd) |
| 2605 | nsc-posa | NSC POSA; Border Gateway Protocol daemon (bgpd) |
| 2606 | netm on [ospf6d] | Dell Netmon; OSPF for IPv6 daemon (ospf6d) |
| 2809 | corbaloc | Common Object Request Broker Architecture (CORBA) naming service locator |
| 3130 | icpv2 | Internet Cache Protocol version 2 (v2); used by Squid proxy caching server |
| 3306 | mysql | MySQL database service |
| 3346 | trnsprntpro xy | Transparent proxy |
| 4011 | pxe | Pre-execution Environment (PXE) service |
| 4321 | rwhois | Remote Whois (rwhois) service |
| 4444 | krb524 | Kerberos version 5 (v5) to version 4 (v4) ticket translator |
| 5002 | rfe | Radio Free Ethernet (RFE) audio broadcasting system |
| 5308 | cfengine | Configuration engine (Cfengine) |
| 5999 | cvsup [CVSup] | CVSup file transfer and update tool |
| 6000 | x11 [X] | X Window System services |
| 7000 | afs3-f il eserver | Andrew File System (AFS) file server |
| 7001 | afs3-callback | AFS port for callbacks to cache manager |
| 7002 | afs3-prserver | AFS user and group database |
| 7003 | afs3-vlserver | AFS volume location database |
| 7004 | afs3-kaserver | AFS Kerberos authentication service |
| 7005 | afs3-volser | AFS volume management server |
| 7006 | afs3-errors | AFS error interpretation service |
| 7007 | afs3-bos | AFS basic overseer process |
| 7008 | afs3-update | AFS server-to-server updater |
| 7009 | afs3-rmtsys | AFS remote cache manager service |
| 9876 | sd | Session Director for IP multicast conferencing |
| 10080 | amanda | Advanced Maryland Automatic Network Disk Archiver (Amanda) backup services |
| 11371 | pgpkeyserver | Pretty Good Privacy (PGP) / GNU Privacy Guard (GPG) public keyserver |
| 11720 | h323callsigalt | H.323 Call Signal Alternate |
| 13720 | bprd | Veritas NetBackup Request Daemon (bprd) |
| 13721 | bpdbm | Veritas NetBackup Database Manager (bpdbm) |
| 13722 | bpjava-msvc | Veritas NetBackup Java / Microsoft Visual C++ (MSVC) protocol |
| 13724 | vnetd | Veritas network utility |
| 13782 | bpcd | Veritas NetBackup |
| 13783 | vo pied | Veritas VOPIE authentication daemon |
| 22273 | wnn6 [wnn4] | Kana/Kanji conversion system |
| 26000 | quake | Quake (and related) multi-player game servers |
| 26208 | wnn6-ds | Wnn6 Kana/Kanji server |
| 33434 | traceroute | Traceroute network tracking tool |
| Port | Name | Function |
|---|---|---|
| 15/tcp | netstat | Network Status (netstat) |
| 98/tcp | linuxconf | Linuxconf Linux administration tool |
| 106 | poppassd | Post Office Protocol password change daemon (POPPASSD) |
| 465/tcp | smtps | Simple Mail Transfer Protocol over Secure Sockets Layer (SMTPS) |
| 616/tcp | gii | Gated (routing daemon) Interactive Interface |
| 808 | omirr [omirrd] | Online Mirror (Omirr) file mirroring services |
| 871/tcp | supfileserv | Software Upgrade Protocol (SUP) server |
| 901/tcp | swat | Samba Web Administration Tool (SWAT) |
| 953 | rndc | Berkeley Internet Name Domain version 9 (BIND 9) remote configuration tool |
| 1127 | sufiledbg | Software Upgrade Protocol (SUP) debugging |
| 1178/tcp | skkserv | Simple Kana to Kanji (SKK) Japanese input server |
| 1313/tcp | xtel | French Minitel text information system |
| 1529/tcp | support [prmsd, gnatsd] | GNATS bug tracking system |
| 2003/tcp | cfinger | GNU finger |
| 2150 | ninstall | Network Installation Service |
| 2988 | afbackup | afbackup client-server backup system |
| 3128/tcp | squid | Squid Web proxy cache |
| 3455 | prsvp | RSVP port |
| 5432 | postgres | PostgreSQL database |
| 4557/tcp | fax | FAX transmission service (old service) |
| 4559/tcp | hylafax | HylaFAX client-server protocol (new service) |
| 5232 | sgi-dgl | SGI Distributed Graphics Library |
| 5354 | noclog | NOCOL network operation center logging daemon (noclogd) |
| 5355 | hostmon | NOCOL network operation center host monitoring |
| 5680/tcp | canna | Canna Japanese character input interface |
| 6010/tcp | x11-ssh-offset | Secure Shell (SSH) X11 forwarding offset |
| 6667 | ircd | Internet Relay Chat daemon (ircd) |
| 7100/tcp | xfs | X Font Server (XFS) |
| 7666/tcp | tircproxy | Tircproxy IRC proxy service |
| 8008 | http-alt | Hypertext Tranfer Protocol (HTTP) alternate |
| 8080 | webcache | World Wide Web (WWW) caching service |
| 8081 | tproxy | Transparent Proxy |
| 9100/tcp | jetdirect [laserjet, hplj] | Hewlett-Packard (HP) JetDirect network printing service |
| 9359 | mandelspawn [mandelbrot] | Parallel mandelbrot spawning program for the X Window System |
| 10081 | kamanda | Amanda backup service over Kerberos |
| 10082/tcp | amandaidx | Amanda index server |
| 10083/tcp | amidxtape | Amanda tape server |
| 20011 | isdnlog | Integrated Services Digital Network (ISDN) logging system |
| 20012 | vboxd | ISDN voice box daemon (vboxd) |
| 22305/tcp | wnn4_Kr | kWnn Korean input system |
| 22289/tcp | wnn4_Cn | cWnn Chinese input system |
| 22321/tcp | wnn4_Tw | tWnn Chinese input system |
| 24554 | binkp | Binkley TCP/IP Fidonet mailer daemon |
| 27374 | asp | Address Search Protocol |
| 60177 | tfido | Ifmail FidoNet compatible mailer service |
| 60179 | fido | FidoNet electronic mail and news network |
Pure Mode
