Tips: Ctrl+F to quickly search for HTTP port numbers (Click on the title to collapse or expand)
Port Number/Layer | Name | Description |
---|---|---|
1 | tcpmux | TCP Port Service Multiplexer |
5 | rje | Remote Job Entry |
7 | echo | Echo Service |
9 | discard | Discard Protocol for connection testing |
11 | systat | System Status Protocol for listing connected ports |
13 | daytime | Daytime Protocol for sending date and time to requesting host |
17 | qotd | Quote of the Day Protocol for sending a daily quote to connected hosts |
18 | msp | Message Send Protocol |
19 | chargen | Character Generator Service; sends 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 Protocol |
39 | rlp | Resource Location Protocol |
42 | nameserver | Internet Name Service |
43 | nicname | WHOIS Directory Service |
49 | tacacs | Terminal Access Controller Access-Control System (TACACS) |
50 | re-mail-ck | Remote Mail Checking Protocol |
53 | domain | Domain Name Service (e.g., BIND) |
63 | whois++ | WHOIS++ (Extended WHOIS Service) |
67 | bootps | Bootstrap Protocol (BOOTP) Server; also used by Dynamic Host Configuration Protocol (DHCP) Server |
68 | bootpc | Bootstrap Protocol (BOOTP) Client; also used by Dynamic Host Configuration Protocol (DHCP) Client |
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 |
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 authentication system |
95 | supdup | Telnet protocol extensions |
101 | hostname | Host Name Server on SRI-NIC machine |
102 | iso-tsap | ISO Development Environment (ISODE) Network Applications |
105 | csnet-ns | Mailbox Name Server; also used by CSO Name Server |
107 | rtelnet | Remote Telnet |
109 | pop2 | Post Office Protocol Version 2 (POP2) |
110 | pop3 | Post Office Protocol Version 3 (POP3) |
111 | sunrpc | Remote Procedure Call (RPC) Protocol for remote command execution, used by Network File System (NFS) |
113 | auth | Authentication and Identification Protocol |
115 | sftp | Secure File Transfer Protocol (SFTP) Service |
117 | uucp-path | Unix-to-Unix Copy Protocol (UUCP) Path Service |
119 | nntp | Network News Transfer Protocol (NNTP) for USENET discussion systems |
123 | ntp | Network Time Protocol (NTP) |
137 | netbios-ns | NETBIOS Name Service used by Samba in Red Hat Enterprise Linux |
138 | netbios-dgm | NETBIOS Datagram Service used by Samba in Red Hat Enterprise Linux |
139 | netbios-ssn | NETBIOS 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 | SNMP traps |
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 Window Server |
179 | bgp | Border Gateway Protocol |
191 | prospero | Clifford Neuman's Prospero Service |
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 Service |
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 (IMAP3) |
245 | link | LINK |
347 | fatserv | Fatmen Server |
363 | rsvp_tunnel | RSVP Tunnel |
369 | rpc2portmap | Coda File System Port Mapper |
370 | codaauth2 | Coda File System Authentication Service |
372 | ulistproc | UNIX Listserv |
389 | ldap | Lightweight Directory Access Protocol (LDAP) |
427 | svrloc | Service Location Protocol (SLP) |
434 | mobileip-agent | Mobile IP Agent |
435 | mobilip-mn | Mobile IP Manager |
443 | https | HTTP Secure (HTTPS) |
444 | snpp | Simple Network Paging Protocol (SNPP) |
445 | microsoft-ds | Microsoft-DS, Microsoft Directory Service (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 Protocol (SAFT) |
488 | gss-http | Generic Security Service for HTTP (GSS) |
496 | pim-rp-disc | Protocol Independent Multicast (PIM) Sparse Mode RP Discovery (RP-DISC) |
500 | isakmp | Internet Security Association and Key Management Protocol (ISAKMP) |
535 | iiop | Internet Inter-ORB 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 Server |
554 | rtsp | Real-Time Streaming Protocol (RTSP) |
563 | nntps | Network News Transfer Protocol Secure (NNTPS) |
565 | whoami | WHOAMI |
587 | submission | Message Submission for Mail (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 | HMMP Indication/DQS |
631 | ipp | Internet Printing Protocol (IPP) |
636 | ldaps | Lightweight Directory Access Protocol (LDAP) over Secure Socket Layer (LDAPS) |
674 | acap | Application Configuration Access Protocol (ACAP) |
694 | ha-cluster | Heartbeat Service for High-Availability Clusters |
749 | kerberos-adm | Kerberos Version 5 (v5) "kadmin" Database Administration |
750 | kerberos-iv | Kerberos Version 4 (v4) Service |
765 | webster | Network Dictionary |
767 | phonebook | Network Phonebook |
873 | rsync | rsync File Transfer Service |
992 | telnets | Telnet over Secure Socket Layer (TelnetS) |
993 | imaps | Internet Message Access Protocol over Secure Socket Layer (IMAPS) |
994 | ircs | Internet Relay Chat over Secure Socket Layer (IRCS) |
995 | pop3s | Post Office Protocol version 3 over Secure Socket Layer (POPS3) |
Port Number/Protocol | Name | Description |
---|---|---|
512/tcp | exec | Process execution authentication for remote execution |
512/udp | biff[comsat] | Asynchronous mail client (biff) and service (comsat) |
513/tcp | login | Remote login (rlogin) |
513/udp | who[whod] | Who is logged in (user listing) |
514/tcp | shell[cmd] | Remote shell without login (rshell) and remote copy (rcp) |
514/udp | syslog | UNIX system logging service |
515 | printer[spooler] | Printer (lpr) spooler |
517/udp | talk | Remote talk service and client |
518/udp | ntalk | Network talk (ntalk), remote talk service and client |
519 | utime[unixtime] | UNIX time protocol (utime) |
520/tcp | efs | Extended file name server (EFS) |
520/udp | router[route,routed] | Routing Information Protocol (RIP) |
521 | ripng | Routing Information Protocol for IPv6 (IPv6 RIP) |
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 (IRC) |
532 | netnews | Netnews |
533/udp | netwall | Netwall for emergency broadcast |
540/tcp | uucp[uucpd] | Unix to Unix Copy Protocol (UUCP) |
543/tcp | klogin | Kerberos version 5 (v5) remote login |
544/tcp | kshell | Kerberos version 5 (v5) remote shell |
548 | afpovertcp | Apple Filing Protocol (AFP) over TCP |
556 | remotefs[rfs_server,rfs] | Brunhoff's Remote File System (RFS) |
Port Number/Type | Name | Description |
---|---|---|
1080 | socks | SOCKS Network Application Proxy Service |
1236 | bvcontrol[rmtcfg] | Garcilis Packeten Remote Configuration Server |
1300 | h323hostcallsc | H.323 Host Call Secure |
1433 | ms-sql-s | Microsoft SQL Server |
1434 | ms-sql-m | Microsoft SQL Monitor |
1494 | ica | Citrix ICA Client |
1512 | wins | Microsoft Windows Internet Name Service |
1524 | ingreslock | Ingres Database Management System (DBMS) Locking Service |
1525 | prospero-np | Unprivileged Prospero |
1645 | datametrics[old-radius] | Datametrics/Former RADIUS Project |
1646 | sa-msg-port[oldradacct] | sa-msg-port/Former RADIUS Accounting Project |
1649 | kermit | Kermit File Transfer and Management Service |
1701 | l2tp[l2f] | Layer Two Tunneling Protocol Service (LT2P)/Layer 2 Forwarding (L2F) |
1718 | h323gatedisc | H.323 Gatekeeper Discovery Mechanism |
1719 | h323gatestat | H.323 Gatekeeper Status |
1720 | h323hostcall | H.323 Host Call Setup |
1758 | tftp-mcast | Trivial File Transfer Protocol Multicast |
1759 | mtftp | Multicast Trivial File Transfer Protocol (MTFTP) |
1789 | hello | Hello Router Communication Port |
1812 | radius | RADIUS Authentication and Accounting Service |
Port Number/Type | Name | Description |
1813 | radius-acct | RADIUS Accounting |
1911 | mtp | Starlight Network Multimedia Transport Protocol (MTP) |
1985 | hsrp | Cisco Hot Standby Router Protocol (HSRP) |
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 serv-hm Connection |
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 Effect |
2431/udp | venus-se | Venus User Datagram Protocol (UDP) Side Effect |
2432/udp | codasrv | Coda File System Server Port |
2433/tcp | codasrv-se | Coda File System TCP Side Effect |
2433/udp | codasrv-se | Coda File System UDP SFTP Side Effect |
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 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 | netmon[ospf6d] | Dell Netmon; OSPF daemon for IPv6 (ospf6d) |
2809 | corbaloc | Common Object Request Broker Architecture (CORBA) Naming Service Locator |
3130 | icpv2 | Internet Cache Protocol Version 2 (v2); used by Squid proxy cache servers |
3306 | mysql | MySQL Database Service |
3346 | trnsprntproxy | Transparent Proxy |
4011 | pxe | Preboot Execution Environment (PXE) Service |
4321 | rwhois | Remote Whois (rwhois) Service |
4444 | krb524 | Kerberos version 5 (v5) to version 4 (v4) ticket converter |
5002 | rfe | RFE (Radio Free Ethernet) Audio Broadcast System |
5308 | cfengine | Configuration Engine (Cfengine) |
5999 | cvsup[CVSup] | CVSup File Transfer and Update Tool |
6000 | x11[X] | X Window System Service |
7000 | afs3-fileserver | Andrew File System (AFS) File Server |
7001 | afs3-callback | AFS port for callback 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 File Volume 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 |
10080 | amanda | Advanced Maryland Automatic Network Disk Archiver (Amanda) Backup Service |
11371 | pgpkeyserver | Pretty Good Privacy (PGP)/GNU Privacy Guard (GPG) Public Key Server |
11720 | h323callsigalt | H.323 Call Signaling 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 | vopied | Veritas VOPIED Protocol |
22273 | wnn6[wnn4] | Kana/Kanji Conversion System |
26000 | quake | Quake (and related) Multiplayer Game Servers |
26208 | wnn6-ds | |
33434 | traceroute | Traceroute Network Tracing Tool |
Note: /etc/services comments: Port 1236 is registered as "bvcontrol" but also used by Gracilis Packeten Remote Configuration Server. The formal name is listed as the primary name, and unregistered names used are listed as aliases. /etc/services comments: Ports 2600 to 2606 are used by the zebra software package without registration. The primary name is the registered name, and unregistered names used by zebra are listed as aliases. /etc/services comments: Port is registered as wnn6 but also used in the FreeWnn software package as unregistered "wnn4". |
Port Number/Layer | Name | Description |
---|---|---|
1/ddp | rtmp | Routing Table Maintenance Protocol |
2/ddp | nbp | Name Binding Protocol |
4/ddp | echo | AppleTalk Echo Protocol |
6/ddp | zip | Zone Information Protocol |
Port Number/Layer | Name | Description |
---|---|---|
751 | kerberos_master | Kerberos Authentication |
752 | passwd_server | Kerberos Password (kpasswd) Server |
754 | krb5_prop | Kerberos v5 Slave Propagation |
760 | krbupdate[kreg] | Kerberos Registration |
1109 | kpop | Kerberos Post Office Protocol (KPOP) |
2053 | knetd | Kerberos Multiplexor |
2105 | eklogin | Kerberos v5 Encrypted Remote Login (rlogin) |
Port/Layer Number | Name | Description |
---|---|---|
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 Secure (SMTPS) via Secure Socket Layer |
616/tcp | gii | Gateway Interactive Interface using Routing Daemon |
808 | omirr[omirrd] | Online Mirror (Omirr) File Mirror Service |
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 Name Daemon Configuration Tool |
1127 | sufiledbg | Software Upgrade Protocol (SUP) Debug |
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 Service |
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 Operations Center Logging Daemon (noclogd) |
5355 | hostmon | NOCOL Network Operations Center Host Monitoring |
5680/tcp | canna | Canna Japanese 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 | Alternative HTTP |
8080 | webcache | World Wide Web (WWW) Cache Service |
8081 | tproxy | Transparent Proxy |
9100/tcp | jetdirect[laserjet,hplj] | Hewlett-Packard (HP) JetDirect Network Printing Service |
9359 | mandelspawn[mandelbrot] | Parallel Mandelbrot Set Generator for X Window System |
10081 | kamanda | Amanda Backup Service using Kerberos |
10082/tcp | amandaidx | Amanda Backup Service |
10083/tcp | amidxtape | Amanda Backup Service |
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 (Taiwan) |
24554 | binkp | Binkley TCP/IP Fidonet Mailer Daemon |
27374 | asp | Address Search Protocol |
60177 | tfido | Ifmail FidoNet-Compatible Mailer Service |
60179 | fido | FidoNet Email and News Network |
Our Common Ports Reference provides a comprehensive list of HTTP, TCP, and UDP ports commonly used in Linux for services, daemons, and applications. This tool helps users understand the ports associated with various communication protocols and services.
Using our Common Ports Reference is straightforward:
Key features of our Common Ports Reference include:
Explore the world of network communication with our Common Ports Reference, essential for network administrators, developers, and IT professionals.
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