Tip: Ctrl F to quickly find the Http port number (point title can be collapsed or expanded)
| Port Number/Tier | Name | Comment |
|---|---|---|
| 1 | tcpmux | TCP Port Service Multiplexing |
| 5 | rje | Remote Job Entry |
| 7 | echo | Echo Services |
| 9 | discard | Null service for connection test |
| 11 | systat | Used to enumerate the system status of connected ports |
| 13 | daytime | Send date and time to requesting host |
| 17 | qotd | Send daily motto to connected hosts |
| 18 | msp | Message Sending 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 Services Protocol (FSP) |
| 22 | ssh | Secure Shell(SSH) service |
| 23 | telnet | Telnet Service |
| 25 | smtp | 简单邮件传输协议（SMTP） |
| 37 | time | Time Agreement |
| 39 | rlp | Resource Location Protocol |
| 42 | nameserver | 互联网名称服务 |
| 43 | nicname | WHOIS Directory Service |
| 49 | tacacs | Terminal access controller access control system for TCP/IP-based authentication and access |
| 50 | re-mail-ck | Remote Mail Inspection Protocol |
| 53 | domain | Domain name services (such as BIND) |
| 63 | whois++ | WHOIS, 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 | 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 verification system |
| 95 | supdup | Telnet Protocol Extensions |
| 101 | hostname | Hostname service on SRI-NIC machine |
| 102 | iso-tsap | ISO Development Environment (ISODE) Web Applications |
| 105 | csnet-ns | Mailbox name servers; also used by CSO name servers |
| 107 | rtelnet | 远程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 File System (NFS) |
| 113 | auth | Authentication and Identification 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 USENET Discussion System |
| 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 | 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 | 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 Windows Server |
| 179 | bgp | boundary network protocol |
| 191 | prospero | Prospero Services of Cliffod Neuman |
| 194 | irc | 互联网中继聊天（IRC） |
| 199 | smux | SNMP UNIX Multiplexing |
| 201 | at-rtmp | AppleTalk routing |
| 202 | at-nbp | AppleTalk name binding |
| 204 | at-echo | AppleTalk echo service |
| 206 | at-zis | AppleTalk block information |
| 209 | qmtp | Express Mail Transfer Protocol (QMTP) |
| 210 | z39.50 | NISO Z39.50 Database |
| 213 | ipx | Internetwork Packet Exchange Protocol (IPX), a datagram protocol commonly used by Novell Netware environments |
| 220 | imap3 | Internet Message Access Protocol Version 3 |
| 245 | link | LINK |
| 347 | fatserv | Fatmen服务器 |
| 363 | rsvp_tunnel | RSVP隧道 |
| 369 | rpc2portmap | Coda File System Port Mapper |
| 370 | codaauth2 | Coda File System Verification Service |
| 372 | ulistproc | UNIX Listserv |
| 389 | ldap | Lightweight Directory Access Protocol (LDAP) |
| 427 | svrloc | Service Location Protocol (SLP) |
| 434 | mobileip-agent | Mobile Internet Protocol (IP) Proxy |
| 435 | mobilip-mn | Mobile 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 | Generic Security Service (GSS) for HTTP |
| 496 | pim-rp-disc | Reunion 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 Inter-ORB Protocol (IIOP) |
| 538 | gdomap | GNUstep分布式对象映射器（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 Streamed Protocol (RTSP) |
| 563 | nntps | Network News Transfer Protocol over Secure Sockets Layer (NNTPS) |
| 565 | whoami | whoami |
| 587 | submission | Mail 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 | HMMP indication/DQS |
| 631 | ipp | Internet Printing Protocol (IPP) |
| 636 | ldaps | Lightweight Directory Access Protocol over Secure Sockets Layer (LDAPS) |
| 674 | acap | Application Configuration Access Protocol (ACAP) |
| 694 | ha-cluster | Heartbeat service for clusters with high availability |
| 749 | kerberos-adm | "kadmin" database administration Kerberos version 5(v5) |
| 750 | kerberos-iv | Kerberos version 4(v4) services |
| 765 | webster | network dictionary |
| 767 | phonebook | Network Phone Book |
| 873 | rsync | rsync file transfer service |
| 992 | telnets | Telnet via 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 (POPS3) |
| Port Number/Tier | Name | Comment |
|---|---|---|
| 512/tcp | exec | Used to validate remotely executed processes |
| 512/udp | biff[comsat] | asynchronous mail client (biff) and service (comsat) |
| 513/tcp | login | Remote Login (rlogin) |
| 513/udp | who[whod] | List of logged-in users |
| 514/tcp | shell[cmd] | Remote shell(rshell) and remote replication (rcp) without login |
| 514/udp | syslog | UNIX System Log Service |
| 515 | printer[spooler] | printer (lpr) spool |
| 517/udp | talk | Remote Conversation Services and Customers |
| 518/udp | ntalk | Network talk (ntalk), remote conversation services and clients |
| 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 | The 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 |
| 533/udp | netwall | Netwall for emergency broadcasts |
| 540/tcp | uucp[uucpd] | Unix-to-Unix Replication Service |
| 543/tcp | klogin | Kerberos Version 5(v5) Telnet |
| 544/tcp | kshell | Kerberos version 5(v5) remote shell |
| 548 | afpovertcp | Appletalk Documentation Protocol (AFP) via Transmission Control Protocol (TCP) |
| 556 | remotefs[rfs_server,rfs] | Brunhoff Remote File System (RFS) |
| Port Number/Tier | Name | Comment |
|---|---|---|
| 1080 | socks | SOCKS Web Application Proxy Service |
| 1236 | bvcontrol[rmtcfg] | Garcilis Packeten Remote Configuration Server |
| 1300 | h323hostcallsc | H.323 Conference Call Host Phone Security |
| 1433 | ms-sql-s | Microsoft SQL服务器 |
| 1434 | ms-sql-m | Microsoft SQL监视器 |
| 1494 | ica | Citrix ICA customers |
| 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/Previous radacct Projects |
| 1649 | kermit | Kermit File Transfer and Management Service |
| 1701 | l2tp[l2f] | Layer 2 Tunneling Services (LT2P)/Layer 2 Forwarding (L2F) |
| 1718 | h323gatedisc | H.323 Telecommunications Gatekeeper Discovery Mechanism |
| 1719 | h323gatestat | H.323 Telecommunications Gatekeeper Status |
| 1720 | h323hostcall | H.323 Telecom Host 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 Authentication and Accounting Services |
| 1813 | radius-acct | Radius billing |
| 1911 | mtp | Starlight Network Multimedia Transfer 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 Sending Server |
| 2103 | zephyr-clt | Zephyr serv-hm Connection |
| 2104 | zephyr-hm | Zephyr Host Manager |
| 2401 | cvspserver | Parallel Versioning 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 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 Route Selection |
| 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 daemon for IPv6 |
| 2604 | nsc-ccs[ospfd] | NSC CCS; Open Short Path First Daemon (ospfd) |
| 2605 | nsc-posa | NSC POSA; Border Network 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 caching protocol version 2(v2); used by Squid proxy caching server |
| 3306 | mysql | MySQL Database Service |
| 3346 | trnsprntproxy | Trnsprnt Agent |
| 4011 | pxe | Pre-Execution Environment (PXE) Services |
| 4321 | rwhois | Remote Whois(rwhois) service |
| 4444 | krb524 | Kerberos Version 5(v5) to Version 4(v4) Ticket Converter |
| 5002 | rfe | Radio-Free Ethernet (RFE) Audio Broadcast System |
| 5308 | cfengine | Configuration Engine (Cfengine) |
| 5999 | cvsup[CVSup] | CVSup File Transfer and Update Tool |
| 6000 | x11[X] | X Window System Services |
| 7000 | afs3-fileserver | Andrew File System (AFS) File Server |
| 7001 | afs3-callback | AFS port to call back the cache manager |
| 7002 | afs3-prserver | AFS Users and Groups Database |
| 7003 | afs3-vlserver | AFS File Volume Location Database |
| 7004 | afs3-kaserver | AFS Kerberos Authentication Service |
| 7005 | afs3-volser | AFS File Volume Management Server |
| 7006 | afs3-errors | AFS Error Interpretation Service |
| 7007 | afs3-bos | AFS Basic Monitoring 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 | Good Privacy (PGP)/GNU Privacy Guard (GPG) Public Key Server |
| 11720 | h323callsigalt | H.323 call signal alternation |
| 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 Tools |
| 13782 | bpcd | Vertias 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 Tracking Tool |
| 注: The note in the/etc/services is as follows: Port 1236 is registered as "bvcontrol", but it is also used by Gracilis Packeten remote configuration servers. The formal name is listed as the primary name, and the unregistered name is listed as an alias. Note in/etc/services: Ports 2600 through 2606 are used by the zebra package without registration. The primary name is the registered name, and the unregistered name used by zebra is listed as an alias. Note in the/etc/services file: This port is registered as wnn6, but the unregistered "wnn4" is also used in the FreeWnn package ". | ||
| Port Number/Tier | 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/Tier | Name | Comment |
|---|---|---|
| 751 | kerberos_master | Kerberos Validation |
| 752 | passwd_server | Kerberos口令（kpasswd）服务器 |
| 754 | krb5_prop | Kerberos v5 Dependent Propagation |
| 760 | krbupdate[kreg] | Kerberos Registration |
| 1109 | kpop | Kerberos Post Office Protocol (KPOP) |
| 2053 | knetd | Kerberos Multiplexer |
| 2105 | eklogin | Kerberos v5 encrypted remote login (rlogin) |
| Port Number/Tier | Name | Comment |
|---|---|---|
| 15/tcp | netstat | Network Status (netstat) |
| 98/tcp | linuxconf | Linuxconf Linux Management Tools |
| 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 | omirr[omirrd] | Online Mirroring (Omirr) File Mirroring 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) 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 Error Tracking System |
| 2003/tcp | cfinger | GNU Finger Service |
| 2150 | ninstall | Network Installation Service |
| 2988 | afbackup | afbackup client-server backup system |
| 3128/tcp | squid | Squid万维网代理缓存 |
| 3455 | prsvp | RSVP Port |
| 5432 | postgres | PostgreSQL database |
| 4557/tcp | fax | FAX Transfer Service (old service) |
| 4559/tcp | hylafax | HylaFAX Client-Server Agreement (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 character input interface |
| 6010/tcp | x11-ssh-offset | Secure Shell(SSH)X11 Forwarding Offset |
| 6667 | ircd | 互联网中继聊天守护进程（ircd） |
| 7100/tcp | xfs | X Font Server (XFS) |
| 7666/tcp | tircproxy | Tircproxy IRC proxy services |
| 8008 | http-alt | Alternative to Hypertext Transfer Protocol (HTTP) |
| 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] | A parallel Mandelbrot generation program for the X window system |
| 10081 | kamanda | Use the Kerberos Amanda backup service |
| 10082/tcp | amandaidx | Amanda Backup Service |
| 10083/tcp | amidxtape | Amanda Backup Service |
| 20011 | isdnlog | Integrated Services Digital Network (ISDN) Logging System |
| 20012 | vboxd | ISDN speaker 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邮寄程序守护进程 |
| 27374 | asp | Address Search Protocol |
| 60177 | tfido | Ifmail FidoNet Compatible Mailing Service |
| 60179 | fido | FidoNet email and news networks |
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