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知名端口查询
网络与运维 · 免费在线工具
按端口或服务名查询 IANA 注册端口。
CoderNewbie 团队
| Port | Protocol | Transport | Registrant | Description |
|---|---|---|---|---|
| 0 | Reserved | tcp,udp | IANA | Reserved port — do not use. |
| 5 | rje | tcp,udp | Jon Postel | Remote Job Entry. |
| 7 | echo | tcp,udp | Jon Postel | Echo protocol. |
| 9 | discard | tcp,udp | Jon Postel | Discard protocol. |
| 11 | systat | tcp,udp | Jon Postel | Active users. |
| 13 | daytime | tcp,udp | Jon Postel | Daytime protocol. |
| 17 | qotd | tcp,udp | Jon Postel | Quote of the Day. |
| 18 | msp | tcp,udp | Rina Nethaniel | Message Send Protocol. |
| 19 | chargen | tcp,udp | Jon Postel | Character Generator. |
| 20 | ftp-data | tcp | Jon Postel | File Transfer Protocol (data). |
| 21 | ftp | tcp | Jon Postel | File Transfer Protocol (control). |
| 22 | ssh | tcp | Tatu Ylonen | Secure Shell Protocol. |
| 23 | telnet | tcp | Jon Postel | Telnet protocol. |
| 25 | smtp | tcp | Jon Postel | Simple Mail Transfer Protocol. |
| 37 | time | tcp,udp | Jon Postel | Time protocol. |
| 42 | nameserver | tcp,udp | Jon Postel | Host Name Server. |
| 43 | nicname | tcp | Jon Postel | WHOIS protocol. |
| 49 | tacacs | tcp,udp | Cisco Systems | TACACS Access Protocol. |
| 53 | domain | tcp,udp | Paul Mockapetris | Domain Name System. |
| 67 | bootps | udp | Bill Croft | Bootstrap Protocol Server (DHCP). |
| 68 | bootpc | udp | Bill Croft | Bootstrap Protocol Client (DHCP). |
| 69 | tftp | udp | David Clark | Trivial File Transfer Protocol. |
| 70 | gopher | tcp | Mark McCahill | Gopher protocol. |
| 79 | finger | tcp | David Zimmerman | Finger protocol. |
| 80 | http | tcp | Jon Postel | Hypertext Transfer Protocol. |
| 88 | kerberos | tcp,udp | John Kohl | Kerberos authentication. |
| 102 | iso-tsap | tcp | Marshall Rose | ISO TSAP Class 0. |
| 107 | rtelnet | tcp | Joyce Reynolds | Remote Telnet Service. |
| 110 | pop3 | tcp | Marshall Rose | Post Office Protocol v3. |
| 111 | sunrpc | tcp,udp | Chuck McManis | ONC RPC (Sun RPC). |
| 113 | ident | tcp | Peter Eriksson | Authentication Service (identd). |
| 119 | nntp | tcp | Phil Lapsley | Network News Transfer Protocol. |
| 123 | ntp | udp | David Mills | Network Time Protocol. |
| 135 | epmap | tcp,udp | Microsoft | Microsoft RPC Endpoint Mapper. |
| 137 | netbios-ns | udp | Microsoft | NetBIOS Name Service. |
| 138 | netbios-dgm | udp | Microsoft | NetBIOS Datagram Service. |
| 139 | netbios-ssn | tcp | Microsoft | NetBIOS Session Service. |
| 143 | imap | tcp | Mark Crispin | Internet Message Access Protocol. |
| 161 | snmp | udp | Jeffrey Case | Simple Network Management Protocol. |
| 162 | snmptrap | udp | Jeffrey Case | SNMP Trap. |
| 179 | bgp | tcp | Kirk Lougheed | Border Gateway Protocol. |
| 194 | irc | tcp | Jarkko Oikarinen | Internet Relay Chat. |
| 389 | ldap | tcp,udp | Tim Howes | Lightweight Directory Access Protocol. |
| 443 | https | tcp | Kipp E.B. Hickman | HTTP over TLS. |
| 445 | microsoft-ds | tcp | Microsoft | Microsoft-DS (SMB). |
| 465 | submissions | tcp | Randy Gellens | SMTP over TLS (message submission). |
| 500 | isakmp | udp | IPsec WG | Internet Key Exchange (IKE). |
| 512 | exec | tcp | Mike Karels | Remote Process Execution. |
| 513 | login | tcp | Mike Karels | Remote Login (rlogin). |
| 514 | shell | tcp | Mike Karels | Remote Shell (rsh). |
| 514 | syslog | udp | Eric Allman | Syslog service. |
| 515 | printer | tcp | Lee Sieler | Line Printer Remote (LPD). |
| 520 | router | udp | Guy Almes | RIP (Routing Information Protocol). |
| 587 | submission | tcp | Randy Gellens | SMTP Message Submission. |
| 636 | ldaps | tcp | Tim Howes | LDAP over TLS. |
| 623 | asf-rmcp | udp | Amt-V | ASF Remote Management Control Protocol. |
| 631 | ipp | tcp | IPP WG | Internet Printing Protocol. |
| 639 | msdp | tcp | Bill Fenner | Multicast Source Discovery Protocol. |
| 646 | ldp | tcp | MPLS WG | Label Distribution Protocol. |
| 691 | msexch-routing | tcp | Microsoft | MS Exchange Routing. |
| 873 | rsync | tcp | Andrew Tridgell | rsync server. |
| 902 | vmware-auth | tcp | VMware | VMware Authentication Daemon. |
IANA 记录
反映 IANA 服务名称和传输协议端口号注册表。
多字段搜索
按端口、协议关键字、注册者或描述搜索。
传输详情
包含每个条目的传输协议（TCP、UDP、SCTP、DCCP）。
如何使用知名端口查询
- 1输入要查询的 URL、IP 地址或网络参数。
- 2点击查询或测试按钮。
- 3在输出面板中查看详细结果。
- 4将信息用于您的网络操作。
功能特点
- ✓完全免费 — 无需注册、无订阅、无广告
- ✓完全在浏览器中运行 — 数据从不离开您的设备
- ✓快速轻量 — 即时获得结果
- ✓跨平台 — 支持桌面、平板和移动设备
常见问题
网络查询是实时的吗？
是的，IP 查询、DNS 查询和 HTTP 测试执行实时网络请求以提供最新数据。
会记录我的 IP 地址吗？
IP 查询工具查询公共地理定位 API，我们不存储您的 IP 地址或查询历史。