List of commonly used ports and corresponding services

Ports 3 1024 to 49 15 1

Ports 449 152 to 65535

Use 50000-65535 to select from this range.

Common port description

20 /tcp？ FTP data

2 1 /tcp？ FTP control file transfer protocol?

22 /tcp？ SSH secure login, file transfer (SCP) and port redirection?

23 /tcp？ Telnet insecure text transmission?

25 /tcp？ SMTP simple mail transfer protocol (email)?

53 /tcp？ Domain Name Server

69 /udp？ TFTP Daily File Transfer Protocol (trivial file transfer protocol)

8080 /tcp？ WWW (HTTP hypertext transfer protocol)?

1 10 /tcp？ POP3 post office protocol (email)?

16 1 /udp？ Simple network management protocol (SNMP)

443 /tcp？ HTTPS encrypts http (for secure transmission of web pages)

Port description status

0/TCP, UDP reserved ports; Do not use (if the sending process is not ready to accept the reply message, it can be used as the source port) official.

1/TCP, UDP TCPMUX (Transmission Control Protocol Port Service Multiplexer) official.

5/TCP, UDP RJE (Remote Work Login) official

7/TCP, UDP ECHO (echo) protocol official

9/TCP, UDP discard protocol official

1 1/TCP, the official UDP SYSTAT protocol.

13/TCP, UDP daytime protocol official.

15/TCP, the official UDP NETSTAT protocol.

17/TCP, UDP QoTD (today's quotation) protocol is official.

18/TCP, the official UDP message protocol.

19/TCP, UDP CHARGEN (character generator) protocol official.

20/TCP, UDP file transfer protocol? -Default data port official

2 1/TCP, UDP file transfer protocol? -Control of port officials

22/TCP，UDP SSH？ (Secure Shell)-Remote login protocol used for secure login file transfer (SCP, SFTP) and port redirection.

23/TCP，UDP Telnet？ Terminal emulation protocol-unencrypted text communication official

25/TCP, UDP SMTP (Simple Mail Transfer Protocol)? -Used for e-mail delivery between mail servers

26/TCP，UDP RSFTP？ -Simple FTP-like protocols are informal

35/TCP, UDP QMS Magicolor 2 printer unofficial

37/TCP, UDP time protocol official

39/TCP, UDP resource location protocol is official.

4 1/TCP, UDP graphics official

42/TCP, UDPHost name server (host name service) official

42/TCP, UDP WINS (WINS Hostname Service) is unofficial.

43/TCP WHOIS？ Agreement officer

49/TCP，UDP TACACS？ Login host protocol officer

53/TCP, UDP DNS (Domain Name Service System) official

56/TCP, UDP remote access protocol official

57/TCPMTP, Mail Transfer Protocol?

67/UDP BOOTP (Boot Protocol) service; Also used for dynamic host setting protocol official.

68/UDP BOOTP？ Customer; Also used for dynamic host setting protocol official.

69/UDP TFTP (Small File Transfer Protocol) official

70/TCP Gopher information retrieval protocol official

79/TCP Finger protocol official

80/TCP HTTP (Hypertext Transfer Protocol)-Used to transfer web pages.

8 1/TCP HTTP Preparation (Hypertext Transfer Protocol) Official

8 1/TCP Torpark？ Onion routing? Or informal port.

82/UDP Torpark？ -Unofficial control port

88/TCP Kerberos？ -Certified acting officer

10 1/TCP hostname?

TSAP protocol?

107/TCP remote Telnet protocol?

109/tcppop (post office protocol), "post office protocol", 2nd edition?

1 10/TCP POP3 (post office protocol, 3rd edition)-officially used for receiving mail.

1 1 1/TCP, the official UDP Sun protocol.

1 13/TCP ident？ -Old server identification system or IRC? A server is used to authenticate its users.

1 15/TCPSFTP, Simple File Transfer Protocol?

1 17/TCPUUCP-PATH？

1 18/TCP，UDP SQL？ Service officer

1 19/TCP network news transfer protocol? -Used to receive news from newsgroups. formal

123/UDP NTP？ (Network Time Protocol)-Official time synchronization.

135/TCP, UDP epmap (endpoint mapper) /Microsoft RPC locator service official.

137/TCP，UDP NetBIOS？ NetBIOS name service official

138/TCP，UDP NetBIOS？ NetBIOS datagram service official

139/TCP，UDP NetBIOS？ NetBIOS session service official

143/TCP，UDP IMAP4？ (Internet Message Access Protocol 4)- Used to retrieve official emails.

152/TCP, UDPBFTP, background file transfer program?

153/TCP，UDPSGMP，？ Simple gateway monitoring protocol?

156/TCP, the official service of UDP SQL.

158/TCP, UDPDMSP, distributed mail service protocol?

16 1/TCP，UDP SNMP？ (Simple Network Management Protocol) Official.

162/TCP, UDPSNMPTRAP official.

170/TCPPrint-srv？

179/TCP BGP？ (Border Gateway Protocol) Official

194/TCP IRC？ (Internet Relay Chat) Official

20 1/TCP, UDPAppleTalk routing maintenance?

209/TCP, UDP fast mail transfer protocol?

2 13/TCP, UDP IPX official

2 18/TCP, UDPMPP, information publishing protocol?

220/TCP, UDP IMAP, interactive mail access protocol version 3?

259/TCP, UDPESRO, efficient short-distance operation?

264/TCP, UDP BGMP, border gateway multicast protocol?

308/TCPNovastor online backup official

3 1 1/TCP application server-management tools, workgroup-manager-tools?

3 18/TCP, UDPTSP, timestamp protocol (English)?

323/TCP, UDPIMMP, Internet message mapping protocol?

383/TCP, UDPHP OpenView HTTPs operation agent?

366/TCP, UDPSMTP, Simple Mail Transfer Protocol. ODMR, on-demand mail relay?

369/TCP, UDPRpc2portmap official

37 1/TCP, UDPClearCase albd official

384/TCP, UDP remote network server system?

387/TCP, UDPAURP, an updated routing protocol based on AppleTalk?

389/TCP, UDP lightweight directory access protocol official

40 1/TCP，UDP UPS？ Uninterruptible power supply official

4 1 1/TCP direct connection? Unofficial hub port

4 12/TCP direct connection? The client-to-client port is unofficial.

427/TCP，UDP SLP？ (Service Location Agreement) Official

443/TCP HTTPS？ - HTTP？ Through TLS/ SSL? (encrypted transmission) official

444/TCP, UDP SNPP, simple network paging protocol?

445/TCP Microsoft -DS (Active Directory, Windows shares, Sasser worm, Agobot, Zobotworm) official.

445/UDP Microsoft -DS? Small and medium enterprises? File sharing official

464/TCP, UDP Kerberos change/set password official

465/TCPCisco protocol official

465/TCP SMTP？ Unofficial via SSL

475/TCPtcpnethaspsrv ( Hasp？ Service, TCP/IP version) official.

497/TCP Danz? Reserve service officer

500/TCP, UDP ISAKMP, IKE-Internet key exchange official

502/TCP, UDP Modbus, protocol?

5 12/TCPexec, remote process execution?

5 12/UDPcomsat, together with? Biff: Notify users of unread new letters? Email?

5 13/TCP login?

5 13/UDPWho？

5 14/TCP rsh？ Protocol-Used to execute non-interactive command line commands on a remote system and see the screen return?

5 14/UDP syslog？ Protocol-used for system login official.

5 15/TCP line printer daemon protocol? -for LPD printer server?

5 17/UDPTalk？

5 18/UDP talk？

520/TCPefs？

520/UDPRouting -？ RIP official

5 13/UDPRouter？

524/TCP，UDP NCP？ (NetWare core protocol) is used for many purposes, such as accessing major NetWare server resources, time synchronization, etc. Official.

525/UDPTimed, time server?

530/TCP, UDP remote procedure call official

53 1/TCP, UDP AOL instant messaging, IRC unofficial.

532/TCPnetnews？

533/UDP network wall for emergency broadcasting?

540/TCP UUCP？ (Unix to Unix replication protocol) official

542/TCP, UDP business? (commercial application) official

543/TCPklogin, Kerberos login?

544/TCPkshell, Kerberos remote shell?

546/TCP, UDPDHCPv6 client?

547/TCP, UDPDHCPv6 server?

548/TCPAFP (Apple Archiving Protocol)?

550/UDPnew-rwho，new-who？

554/TCP，UDP RTSP？ (Real-time Streaming Protocol) Official

556/TCPRemotefs，rfs，rfs_server？

560/UDPrmonitor, remote monitor?

56 1/UDPmonitor？

563/TCP，UDP NNTP？ TLS/SSL protocol (NNTPS)

587/TCP Email Submission (SMTP) (RFC 2476) Official

59 1/TCP FileMaker？ 6.0 (and later versions) network sharing (HTTP replacement, see port 80) official.

593/TCP, UDPHTTP RPC Ep Map(RPC over HTTP, often used by? DCOM？ Service and? Microsoft Exchange Server) official

604/TCPTUNNEL？

63 1/TCP, UDP internet printing protocol?

636/TCP，UDP LDAP？ Through SSL? (encrypted transmission, also known as LDAPS) official

639/TCP，UDPMSDP，？ Multicast source discovery protocol?

646/TCPLDP, Label Distribution Protocol?

647/TCPDHCP failover protocol?

648/TCPRRP, Registry Registration Protocol?

652/TCPDTCP, dynamic tunnel configuration protocol?

654/UDP odv, on-demand distance vector?

665/TCP Sun-Dr, remote dynamic reconfiguration is unofficial.

666/UDP Doomsday Warrior, a series of first-person shooter games on the computer platform. ?

674/TCPACAP, Application Configuration Access Protocol?

69 1/TCPMS switching routing official

692/TCPHyperwave-ISP？

694/UDP Linux-ha high availability heartbeat port is unofficial.

695/TCPIEEE-MMS-SSL？

698/UDPOLSR, optimizing link-state routing?

699/TCP access network?

700/TCPEPP, Extensible Supply Protocol?

70 1/TCPLMP, link management protocol. ?

702/TCPIRIS over BEEP？

706/TCPSILC, Secure Internet Real-time Conference?

7 1 1/TCPTDP, Label Distribution Protocol?

7 12/TCPTBRPF, topological broadcasting based on reverse path forwarding?

720/TCPSMQP, Simple Message Queuing Protocol?

749/TCP, UDPkerberos-adm, kerberos management?

750/UDPKerberos version IV?

782/TCP saver? Serial console management server?

829/TCPCMP (Certificate Management Protocol)?

860/TCP iSCSI？

873/TCP rsync？ File synchronization protocol official

90 1/TCP samba? The Network Management Tool (SWAT) is unofficial.

902 VMware server console [2] unofficial

904 VMware server replacement (if 902 port is occupied) is unofficial.

9 1 1/TCP network console on Acid? (NCA)-local tty? Redirect through OpenSSH?

98 1/TCP SofaWare technology? Remote HTTPS management of firewall devices running embedded checkpoint firewall-1? Unofficial software

989/TCP，UDP FTP？ TLS/SSL official protocol (data)

990/TCP, UDP FTP protocol (officially controlled by TLS/SSL)

99 1/TCP, UDPNAS (network news management system)?

992/TCP, UDP TLS/SSL official telnet protocol

993/TCP IMAP4？ Through SSL? (encrypted transmission) official

995/TCP POP3？ Through SSL? (encrypted transmission) official