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 * * * enjoys (HTTP replacement, see port 80) officially.
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