HTTP, TCP, UDP common port comparison table, the following lists the most common communication ports used by services, daemons, and programs included in the Linux
Tip: Ctrl + F to quickly find the Http port number (click the header to shrink or expand)
| Port number/layer | name | comment |
|---|---|---|
| 1 | Tcpmux | TCP port service multiplexing |
| 5 | RJE | remote job portal |
| 7 | Echo | Echo service |
| 9 | Discard | Empty service for connection testing |
| 11 | Systat | Used to enumerate the system status of connected ports |
| 13 | Daytime | Send the date and time to the requesting host |
| 17 | QOTD | Send a daily motto to a connected host |
| 18 | MSP | Messaging Protocol |
| 19 | Chargen | Character generation service; sending an endless stream of characters |
| 20 | FTP-Data | FTP data port |
| 21 | FTP | File Transfer Protocol (FTP) port; sometimes used by File Service Protocol (FSP) |
| 22 | SSH | Secure Shell (SSH) service |
| 23 | Telnet | Telnet service |
| 25 | SMTP | Simple Mail Transfer Protocol (SMTP) |
| 37 | Time | time agreement |
| 39 | RLP | Resource Location Protocol |
| 42 | Nameserver | Internet Name Service |
| 43 | NICNAME | WHOIS Directory Service |
| 49 | TACACS | An end point access controller for TCP/IP baseret autentificering og adgang |
| 50 | Re-mail-ck | Remote Mail Check Protocol |
| 53 | Domain | Domain name services (such as BIND) |
| 63 | WHOIS ++ | WHOIS ++, the extended WHOIS service |
| 67 | Bootps | Boot Protocol (BOOTP) service; also used by Dynamic Host Configuration Protocol (DHCP) service |
| 68 | BootPC | Bootstrap (BOOTP) clients; also used by Dynamic Host Configuration Protocol (DHCP) clients |
| 69 | TFTP | Small 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 |
| 73 | 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 Verification System |
| 95 | Supdup | Telnet protocol extension |
| 101 | Hostname | Hostname service on SRI-NIC machines |
| 102 | iso-tsap | ISO development environment (ISODE) network application |
| 105 | csnet-ns | Mailbox name servers; also used by CSO name servers |
| 107 | RTELNET | 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 the Network File System (NFS) |
| 113 | Auth | Authentication and Identity Protocol |
| 115 | SFTP | Secure File Transfer Protocol (SFTP) service |
| 117 | UUCP-Path | Unix to Unix Replication Protocol (UUCP) Path Service |
| 119 | NNTP | Network News Transfer Protocol (NNTP) for the USENET Discussion System |
| 123 | NTP | Network Time Protocol (NTP) |
| 137 | Netbios-ns | NETBIOS navngservice brugt af Samba i Red Hat Enterprise Linux |
| 138 | netbios-dgm | NETBIOS Datagram Service used by Samba in Red Hat Enterprise Linux |
| 139 | Netbios-ssn | NET BIOS Session Service used by Samba in Red Hat Enterprise Linux |
| 143 | IMAP | Internet Message Access Protocol (IMAP) |
| 161 | SNMP | Simple Network Management Protocol (SNMP) |
| 162 | SNMPTRAP | The SNMP Trap |
| 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 |
| 178 | Nextstep | NeXTStep vindues server |
| 179 | BGP | Border Network Protocol |
| 191 | Prospero | Clifford Neuman's Prospero Service |
| 194 | Irc | Internet Relay Chat (IRC) |
| 199. | SMUX | SNMP UNIX Multiplexing |
| 201 | AT-RTMP | AppleTalk routing |
| 202 | at-nbp | AppleTalk navngbinde |
| 204 | at-echo | AppleTalk echo service |
| 206 | at-zis | AppleTalk Block Information |
| 209 | QMTP | Fast Mail Transfer Protocol (QMTP) |
| 210 | Z39.50 | NISO Z39.50 database |
| 213 | IPX | Internet Packet Switching Protocol (IPX), a datagram protocol commonly used in Novell Netware environments |
| 220 | IMAP3 | Internet Message Access Protocol version 3 |
| 245 | Link | Link |
| 347 | Fatserv | Fatmen Server |
| 363 | rsvp_tunnel | RSVP tunnel |
| 369 | RPC2PortMap | Coda File System Port Mapper |
| 370 | CodaAuth2 | Coda File System Validation Service |
| 372 | Ulistproc | UNIX Listserv |
| 389 | LDAP | Lightweight Directory Access Protocol (LDAP) |
| 427 | SVRLOC | Service Location Agreement (SLP) |
| 434 | MobileEP-Agent | Removable Internet Protocol (IP) Proxy |
| 435 | MobilIP-MN | Removable Internet Protocol (IP) Manager |
| 443 | https | Secure Hypertext Transfer Protocol (HTTP) |
| 444 | SNPP | Small Network Paging Protocol |
| 445 | Microsoft-DS | Server Message Block (SMB) over TCP/IP |
| 464 | Kpasswd | Kerberos Password and Key Change Service |
| 468 | Photuris | Photuris Session Key Management Protocol |
| 487 | Saft | Simple Asymmetric File Transfer (SAFT) Protocol |
| 488 | gss-http | General Security Service (GSS) for HTTP |
| 496 | Pim-rp-disc | Rendezvous Point Discovery (RP-DISC) for Protocol Independent Multiple Access Propagation (PIM) Services |
| 500 | ISAKMP | Internet Security Association and Key Management Protocol (ISAKMP) |
| 535 | IIop | Internet Internal Object Request Proxy Protocol (IIOP) |
| 538 | Gdomap | GNUstep Distributed Object Mapper (GDOMAP) |
| 546 | Dhcpv6-client | Dynamic Host Configuration Protocol (DHCP) version 6 client |
| 547 | Dhcpv6-server | Dynamic Host Configuration Protocol (DHCP) version 6 service |
| 554 | RTSP | Real Time Streaming Protocol (RTSP) |
| 563 | nntps | Network News Transfer Protocol (NNTPS) via Secure Sockets Layer |
| 565 | Whoami | Whoami |
| 587 | Indsendelse | Mail Submission Agent (MSA) |
| 610 | NPMP-local | Network Peripheral Management Protocol (NPMP) Local/Distributed Queuing System (DQS) |
| 611 | NPMP-GUI | Network Peripheral Management Protocol (NPMP) GUI/Distributed Queuing System (DQS) |
| 612 | HMMP-IND | HMMP indikation/DQS |
| 631 | IPP | Internet Printing Protocol (IPP) |
| 636 | Ldaps | Lightweight Directory Access Protocol (LDAPS) via Secure Sockets Layer |
| 674 | ACAP | Application Configuration Access Protocol (ACAP) |
| 694 | ha-cluster | Tjeneste for hjerteslag for kluster med høj tilgængelighed |
| 749 | Kerberos-adm | "Kadmin" databasehåndtering Kerberos version 5 (v5) |
| 750 | Kerberos-iv | Kerberos version 4 (v4) tjeneste |
| 765 | Webster | Internet Ordbog |
| 767 | telefonbog | Internet Telefonbog |
| 873 | rsync | rsync filoverføringstjeneste |
| 992 | Telnets | Telnet (TelnetS) gennem Secure Sockets Layer |
| 993 | IMAPS | Internet Message Access Protocol (IMAPS) via Secure Sockets Layer |
| 994 | IRCS | Internet Relay Chat (IRCS) via Secure Sockets Layer |
| 995 | pop3s | Post Office Protocol Version 3 (POPS3) via Secure Sockets Layer |
| Port number/layer | name | comment |
|---|---|---|
| 512/tcp | Exec | Brugt til at autentificere fjernkørte processer |
| 512/udp | Biff [comsat] | Asynkrone e-mail klienter (BIFs) og tjenester (ComSats) |
| 513/tcp | Login | Fjernlogin (rlogin) |
| 513/udp | Who [whod] | Liste over indloggede brugere |
| 514/tcp | Shell [cmd] | Fjernshell (rshell) og fjernreplikering (rcp) uden login |
| 514/udp | Syslog | UNIX System Log Service |
| 515 | Printer [spooler] | Printer (lpr) spooling |
| 517/udp | talk | Fjernkommunikationstjenester og kunder |
| 518/udp | ntalk | Netværkschat (ntalk), fjernkommunikationstjenester og kunder |
| 519 | Utime [unixtime] | Unix tidsprotokol (utime) |
| 520/tcp | EFS | Udvidet Filnavns 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] | Tidsdaemon (timed) |
| 526/tcp | Tempo [newdate] | Tempo |
| 530/tcp | Courier [rpc] | Courier fjernprocedurekald (RPC) protokol |
| 531/tcp | Konference [chat] | Internet Relay Chat |
| 532 | NetNews | Netnews |
| 533/udp | Netwall | Netwall for Emergency Broadcasting |
| 540/tcp | Uucp [uucpd] | Unix-til-Unix replikeringstjeneste |
| 543/tcp | KLogin | Kerberos version 5 (v5) fjernlogin |
| 544/tcp | KShell | Kerberos version 5 (v5) fjernshell |
| 548 | Afpovertcp | Appletalk Dokumentationsprotokol (AFP) over Transmission Control Protocol (TCP) |
| 556 | Remotefs [rfs_server, rfs] | Brunhoffs Remote File System (RFS) |
| Port number/layer | name | comment |
|---|---|---|
| 1080 | Socks | SOCKS Web Application Proxy Service |
| 1236 | BVControl [rmtcfg] | Garcilis Packeten Remote Configuration Server |
| 1300 | H323hostcallsc | H.323 Teleconferencing Host Phone Security |
| 1433 | ms-sql-s | Microsoft SQL Server |
| 1434 | ms-sql-m | Microsoft SQL Monitor |
| 1494 | ICA | Citrix ICA customers |
| 1512 | Wins | Microsoft Windows Internet Name Server |
| 1524 | Ingreslock | Ingres Database Management System (DBMS) Locking Service |
| 1525 | Prospero-NP | Unprivileged Prospero |
| 1645 | Datametrics [old-radius] | Datametrics/previous radius projects |
| 1646 | Sa-msg-port [oldradacct] | sa-msg-port/former radacct project |
| 1649 | Kermit | Kermit file transfer and management service |
| 1701 | L2tp [l2f] | Layer 2 Tunneling Service (LT2P)/Layer 2 Forwarding (L2F) |
| 1718 | H323gatedisc | H.323 Telecommunications Gatekeeper Discovery Mechanism |
| 1719 | H323Gatestat | H.323 Status of telecommunications gatekeepers |
| 1720 | H323hostcall | H.323 Telecom Hosting Phone Setup |
| 1758 | TFTP-MCast | Small File FTP Multicast |
| 1759 | MTFTP | Multicast Small File FTP (MTFTP) |
| 1789 | Hello | Hello router communication port |
| 1812 | radius | Radius dial-up verification and billing services |
| 1813 | radius-acct | Radius accounting |
| 1911 | MTP | Starlight Network 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 Notification Transport and Delivery Server |
| 2103 | Zephyr-CLT | Zephyr servo-hm connection |
| 2104 | Zephyr-hm | Zephyr Host Manager |
| 2401 | CVSPServer | Parallel Versioning System (CVS) client/server operations |
| 2430/tcp | Venus | Venus cache manager for the 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 effects |
| 2600 | Hpstgmgr [zebrasrv] | HPSTGMGR; 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 metering; RIP dæmoner for IPv6 |
| 2604 | Nsc-ccs [ospfd] | NSC CCS; Open Short Path First Dæmon (ospfd) |
| 2605 | NSc-POSA | NSC POSA; Border Network Protocol Dæmon (BGPD) |
| 2606 | Netmon [ospf6d] | Dell Netmon; OSPF dæmon for IPv6 (ospf6d) |
| 2809 | Corbaloc | Common Object Request Broker Architecture (CORBA) navngivningstjeneste locator |
| 3130 | ICPV2 | Internet Cache Protocol version 2 (v2); brugt af Squid proxy cache server |
| 3306 | MySQL | MySQL Database Service |
| 3346 | TRNSPRNTProxy | Trnsprnt proxy |
| 4011 | PXE | Pre-udførelsesmiljø (PXE) tjenester |
| 4321 | RWHOIS | Fjern Whois (rwhois) tjeneste |
| 4444 | KRB524 | Kerberos Version 5 (v5) til Version 4 (v4) Billet Konverterer |
| 5002 | RFE | Radiofrekvens Ethernet (RFE) Lydudsendelsessystem |
| 5308 | CFEngine | Konfigurationsmotor (Cfengine) |
| 5999 | CVSup [CVSup] | CVSup filoverførsel og opdateringsværktøj |
| 6000 | X11 [X] | X Window System Service |
| 7000 | AFS3-fileserver | Andrew File System (AFS) filserver |
| 7001 | AFS3-tilbagekald | AFS port til at kalde tilbage cache manager |
| 7002 | Afs3-prserver | AFS bruger og gruppe database |
| 7003 | AFS3-VLServer | AFS filvolumelokaliseringsdatabase |
| 7004 | AFS3-Kaserver | AFS Kerberos Valideringstjenester |
| 7005 | AFS3-volser | AFS filvolumestyringsserver |
| 7006 | AFS3-fejl | AFS Fejlfortolkning Service |
| 7007 | AFS3-BOS | AFS Grundlæggende Overvågningsproces |
| 7008 | AFS3-opdater | AFS server-til-serveropdaterer |
| 7009 | AFS3-RMTSYS | AFS Fjern Cache Manager Service |
| 9876 | SD | konversationsdirektør |
| 10080 | Amanda | Avanceret Maryland Automatisk Netværksdisker Archiver (Amanda) Backup Service |
| 11371 | pgpkeyServer | God Privacy (PGP)/GNU Privacy Guard (GPG) Offentlig Nøgle Server |
| 11720 | H323callsigalt | H.323 opkaldssignal alternation |
| 13720 | BPRD | Veritas NetBackup Anmodningsdæmon (bprd) |
| 13721 | Bpdbm | Veritas NetBackup Database Manager (bpdbm) |
| 13722 | Bpjava-msvc | Veritas NetBackup Java/Microsoft Visual C++ (MSVC) Protokol |
| 13724 | Vnetd | Veritas Netværkstools |
| 13782 | BPCD | Vertias NetBackup |
| 13783 | Vopied | Veritas VOPIED Overenskomst |
| 22273 | Wnn6 [wnn4] | Kana/Kanji Konverteringssystem |
| 26000 | Quake | Quake (og relaterede) multiplayer servers |
| 26208 | Wnn6-ds | |
| 33434 | Traceroute | Traceroute Netværkssporingstool |
| Bemærk: Kommentaren i /etc/services læser: Port 1236 is registered as "bvcontrol", but it is also used by the Gracilis Packeten remote configuration server. The official name is listed as the primary name, and unregistered names are listed as aliases. Notes in/etc/services: Ports 2600 through 2606 are used unregistered by the zebra package. The primary name is the registered name, and unregistered names used by zebra are listed as aliases. /etc/services note in the file: The port is registered as wnn6, but the unregistered "wnn4" is also used in the FreeWnn package. | ||
| Port number/layer | name | comment |
|---|---|---|
| 1/ddp | RTMP | Routing Table Management Protocol |
| 2/ddp | NBP | name binding protocol |
| 4/ddp | Echo | AppleTalk Echo Protocol |
| 6/ddp | zip | block information protocol |
| Port number/layer | name | comment |
|---|---|---|
| 751 | kerberos_master | Kerberos verification |
| 752 | passwd_server | Kerberos password (kpasswd) server |
| 754 | krb5_prop | Kerberos v5 dependent propagation |
| 760 | Krbupdate [kreg] | Kerberos Registration |
| 1109 | KPOP | Kerberos Post Office Agreement (KPOP) |
| 2053 | Knetd | Kerberos demultiplexer |
| 2105 | EKLogin | Kerberos v5 encrypted remote login (rlogin) |
| Port number/layer | name | comment |
|---|---|---|
| 15/tcp | Netstat | Network status (netstat) |
| 98/tcp | linuxconf | Linuxconf Linux management tool |
| 106 | Poppassd | Post Office Protocol Password Change Daemon (POPPASSD) |
| 465/tcp | SMTPS | Simple Mail Transfer Protocol (SMTPS) over Secure Sockets Layer |
| 616/tcp | GII | Using the gateway's (routing daemon) interactive interface |
| 808 | Omarr [omirrd] | Online mirroring (Omirr) file mirroring service |
| 871/tcp | Supfileserv | Software Upgrade Protocol (SUP) server |
| 901/tcp | SWAT | Samba Web administration værktøj (SWAT) |
| 953 | RNDC | Berkeley Internet Navneområde Version 9 (BIND 9) Fjernnavn Daemon Konfigurationsværktøj |
| 1127 | SufiledBG | Software Upgrade Protocol (SUP) fejlfinding |
| 1178/tcp | Skkserv | Enkel Kana til Kanji (SKK) Japansk input server |
| 1313/tcp | Xtel | Fransk Minitel Tekst Informationssystem |
| 1529/tcp | Support [prmsd, gnatsd] | GNATS Fejlsporingssystem |
| 2003/tcp | Cfinger | GNU Finger Service |
| 2150 | ninstall | Netværks installationstjeneste |
| 2988 | Afbackup | Afbackup klient-server backup system |
| 3128/tcp | Squid | Squid web proxy cache |
| 3455 | PRSVP | RSVP port |
| 5432 | Postgres | PostgreSQL database |
| 4557/tcp | Fax | FAX Overførsel Tjeneste (Gamle Tjeneste) |
| 4559/tcp | Hylafax | HylaFAX Klient-Server Protokol (ny tjeneste) |
| 5232 | SGI-DGL | SGI Udbredt Grafisk Bibliotek |
| 5354 | noclog | NOCOL Netværks Operation Center Record Daemon (noclogd) |
| 5355 | Hostmon | NOCOL Netværks Operation Center Værtsovervågning |
| 5680/tcp | Canna | Canna Japansk tegn input grænseflade |
| 6010/tcp | X11-ssh-forskydning | Sikker Shell (SSH) X11 Videresendelses Forskydning |
| 6667 | IRCD | Internet Relay Chat Daemon (ircd) |
| 7100/tcp | XFS | X Font Server (XFS) |
| 7666/tcp | TIRCProxy | TircProxy IRC |
| 8008 | http-alt | En anden mulighed for Hypertext Transfer Protocol (HTTP) |
| 8080 | WebCache | World Wide Web (WWW) Caching Service |
| 8081 | TProxy | gennemsigtig proxy |
| 9100/tcp | Jetdirect [laserjet, hplj] | Hewlett-Packard (HP) JetDirect Netværksprinterværktøj |
| 9359 | Mandelspawn [mandelbrot] | Parallel Mandelbrot Generator for X Window System |
| 10081 | Kamanda | Brug Kerberos Amanda sikkerhedskopi tjeneste |
| 10082/tcp | Amandaidx | Amanda Sikkerhedskopi Tjeneste |
| 10083/tcp | Amidxtape | Amanda Sikkerhedskopi Tjeneste |
| 20011 | isdnlog | Integrerede Tjenester Digitale Netværk (ISDN) Login System |
| 20012 | VBoxD | ISDN tale demon (vboxd) |
| 22305/tcp | wnn4_Kr | kWnn Koreansk Input System |
| 22289/tcp | wnn4_Cn | cWnn Kinesisk Input System |
| 22321/tcp | wnn4_Tw | tWnn Kinesisk Input System (Taiwan) |
| 24554 | BinkP | Binkley TCP/IP Fidonet postprogram demon |
| 27374 | ASP | Adresse Søge Protokol |
| 60177 | TFIDO | Ifmail FidoNet Kompatibel Posttjeneste |
| 60179 | FIDO | FidoNet Email og Nyheds Netværk |
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