Port Application Status 1/TCP,UDP TCP Port Service Multiplexer Official 2/TCP,UDP Management Utility Official 3/TCP,UDP Compression Process Official 5/TCP,UDP Remote Job Entry Official 7/TCP,UDP Echo Official 9/TCP,UDP Discard Official 11/TCP,UDP Active Users Official 13/TCP,UDP DAYTIME - (RFC 867) Official 17/TCP,UDP Quote of the Day Official 18/TCP,UDP Message Send Protocol Official 19/TCP,UDP Character Generator Official 20/TCP FTP - data Official 21/TCP FTP—control (command) Official 22/TCP,UDP Secure Shell (SSH)—used for secure logins, file transfers (scp, sftp) and port forwarding Official 23/TCP Telnet protocol—unencrypted text communications Official 25/TCP Simple Mail Transfer Protocol (SMTP)—used for e-mail routing between mail servers Official 35/TCP,UDP Any private printer server protocol Official 35/TCP,UDP QMS Magicolor 2 printer server protocol Unofficial 37/TCP,UDP TIME protocol Official 39/TCP,UDP Resource Location Protocol[3] (RLP)—used for determining the location of higher level services from hosts on a network Official 41/TCP,UDP Graphics Official 42/TCP,UDP nameserver, ARPA Host Name Server Protocol Official 42/TCP,UDP WINS Unofficial 43/TCP WHOIS protocol Official 49/TCP,UDP TACACS Login Host protocol Official 52/TCP,UDP XNS (Xerox Network Services) Time Protocol Official 53/TCP,UDP Domain Name System (DNS) Official 54/TCP,UDP XNS (Xerox Network Services) Clearinghouse Official 56/TCP,UDP XNS (Xerox Network Services) Authentication Official 56/TCP,UDP RAP (Route Access Protocol)[4] Unofficial 57/TCP MTP, Mail Transfer Protocol Unofficial 58/TCP,UDP XNS (Xerox Network Services) Mail Official 67/UDP Bootstrap Protocol (BOOTP) Server; also used by Dynamic Host Configuration Protocol (DHCP) Official 68/UDP Bootstrap Protocol (BOOTP) Client; also used by Dynamic Host Configuration Protocol (DHCP) Official 69/UDP Trivial File Transfer Protocol (TFTP) Official 70/TCP Gopher protocol Official 79/TCP Finger protocol Official 80/TCP Hypertext Transfer Protocol (HTTP) Official 81/TCP Torpark—Onion routing Unofficial 82/UDP Torpark—Control Unofficial 83/TCP MIT ML Device Official 88/TCP Kerberos—authentication system Official 90/TCP,UDP dnsix (DoD Network Security for Information Exchange) Securit Attribute Token Map Official 90/TCP,UDP Pointcast Unofficial 101/TCP NIC host name Official 102/TCP ISO-TSAP (Transport Service Access Point) Class 0 protocol[5] Official 104/TCP,UDP ACR/NEMA Digital Imaging and Communications in Medicine Official 107/TCP Remote TELNET Service[6] protocol Official 109/TCP Post Office Protocol 2 (POP2) Official 110/TCP Post Office Protocol 3 (POP3) Official 111/TCP,UDP Sun Remote Procedure Call Official 113/UDP ident—old user identification system, still used by IRC servers to identify users Official 113/TCP,UDP Authentication Service (auth) Official 115/TCP Simple File Transfer Protocol (SFTP) Official 117/TCP UUCP Path Service Official 118/TCP,UDP SQL (Structured Query Language) Services Official 119/TCP Network News Transfer Protocol (NNTP)—used for retrieving newsgroup messages Official 123/UDP Network Time Protocol (NTP)—used for time synchronization Official 135/TCP,UDP DCE endpoint resolution Official 135/TCP,UDP Microsoft EPMAP (End Point Mapper), also known as DCE/RPC Locator service[7], used to remotely manage services including DHCP server, DNS server andWINS Unofficial 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 Internet Message Access Protocol (IMAP)—used for retrieving, organizing, and synchronizing e-mail messages Official 152/TCP,UDP Background File Transfer Program (BFTP)[8] Official 153/TCP,UDP SGMP, Simple Gateway Monitoring Protocol Official 156/TCP,UDP SQL Service Official 158/TCP,UDP DMSP, Distributed Mail Service Protocol Unofficial 161/TCP,UDP Simple Network Management Protocol (SNMP) Official 162/TCP,UDP Simple Network Management Protocol Trap (SNMPTRAP)[9] Official 170/TCP Print-srv, Network PostScript Official 177/TCP,UDP X Display Manager Control Protocol (XDMCP) Official 179/TCP BGP (Border Gateway Protocol) Official 194/UDP IRC (Internet Relay Chat) Official 201/TCP,UDP AppleTalk Routing Maintenance Official 209/TCP,UDP The Quick Mail Transfer Protocol Official 213/TCP,UDP IPX Official 218/TCP,UDP MPP, Message Posting Protocol Official 220/TCP,UDP IMAP, Interactive Mail Access Protocol, version 3 Official 259/TCP,UDP ESRO, Efficient Short Remote Operations Official 264/TCP,UDP BGMP, Border Gateway Multicast Protocol Official 311/TCP Mac OS X Server Admin (officially AppleShare IP Web admistration) Official 308/TCP Novastor Online Backup Official 318/TCP,UDP PKIX TSP, Time Stamp Protocol Official 323/TCP,UDP IMMP, Internet Message Mapping Protocol Unofficial 350/TCP,UDP MATIP-Type A, Mapping of Airline Traffic over Internet Protocol Official 351/TCP,UDP MATIP-Type B, Mapping of Airline Traffic over Internet Protocol Official 366/TCP,UDP ODMR, On-Demand Mail Relay Official 369/TCP,UDP Rpc2portmap Official 371/TCP,UDP ClearCase albd Official 383/TCP,UDP HP data alarm manager Official 384/TCP,UDP A Remote Network Server System Official 387/TCP,UDP AURP, AppleTalk Update-based Routing Protocol Official 389/TCP,UDP Lightweight Directory Access Protocol (LDAP) Official 401/TCP,UDP UPS Uninterruptible Power Supply Official 402/TCP Altiris, Altiris Deployment Client Unofficial 411/TCP Direct Connect Hub Unofficial 412/TCP Direct Connect Client-to-Client Unofficial 427/TCP,UDP Service Location Protocol (SLP) Official 443/TCP,UDP Hypertext Transfer Protocol over TLS/SSL (HTTPS) Official 444/TCP,UDP SNPP, Simple Network Paging Protocol (RFC 1568) Official 445/TCP Microsoft-DS Active Directory, Windows shares Official 445/UDP Microsoft-DS SMB file sharing Official 464/TCP,UDP Kerberos Change/Set password Official 465/TCP Cisco protocol Unofficial 465/TCP SMTP over SSL Unofficial 475/TCP tcpnethaspsrv (Hasp services, TCP/IP version) Official 497/TCP Dantz Retrospect Official 500/UDP Internet Security Association and Key Management Protocol (ISAKMP) Official 502/TCP,UDP Modbus, Protocol Unofficial 504/TCP,UDP Citadel - multiservice protocol for dedicated clients for the Citadel groupware system Official 510/TCP First Class Protocol Unofficial 512/TCP Rexec, Remote Process Execution Official 512/UDP comsat, together with biff Official 513/TCP Login Official 513/UDP Who Official 514/TCP Shell—used to execute non-interactive commands on a remote system Official 514/UDP Syslog—used for system logging Official 515/TCP Line Printer Daemon—print service Official 517/UDP Talk Official 518/UDP NTalk Official 520/TCP efs, extended file name server Official 520/UDP Routing—RIP Official 524/TCP,UDP NCP (NetWare Core Protocol) is used for a variety things such as access to primary NetWare server resources, Time Synchronization, etc. Official 525/UDP Timed, Timeserver Official 530/TCP,UDP RPC Official 531/TCP,UDP AOL Instant Messenger, IRC Unofficial 532/TCP netnews Official 533/UDP netwall, For Emergency Broadcasts Official 540/TCP UUCP (Unix-to-Unix Copy Protocol) Official 542/TCP,UDP commerce (Commerce Applications) Official 543/TCP klogin, Kerberos login Official 544/TCP kshell, Kerberos Remote shell Official 546/TCP,UDP DHCPv6 client Official 547/TCP,UDP DHCPv6 server Official 548/TCP Apple Filing Protocol (AFP) over TCP Official 550/UDP new-rwho, new-who Official 554/TCP,UDP Real Time Streaming Protocol (RTSP) Official 556/TCP Remotefs, RFS, rfs_server Official 560/UDP rmonitor, Remote Monitor Official 561/UDP monitor Official 563/TCP,UDP NNTP protocol over TLS/SSL (NNTPS) Official 587/TCP e-mail message submission[10] (SMTP) Official 591/TCP FileMaker 6.0 (and later) Web Sharing (HTTP Alternate, also see port 80) Official 593/TCP,UDP HTTP RPC Ep Map, Remote procedure call over Hypertext Transfer Protocol, often used by Distributed Component Object Model services and Microsoft Exchange Server Official 604/TCP TUNNEL profile[11], a protocol for BEEP peers to form an application layer tunnel Official 623/UDP ASF Remote Management and Control Protocol (ASF-RMCP) Official 631/TCP,UDP Internet Printing Protocol (IPP) Official 636/TCP,UDP Lightweight Directory Access Protocol over TLS/SSL (LDAPS) Official 639/TCP,UDP MSDP, Multicast Source Discovery Protocol Official 646/TCP,UDP LDP, Label Distribution Protocol, a routing protocol used in MPLS networks Official 647/TCP DHCP Failover protocol[12] Official 648/TCP RRP (Registry Registrar Protocol)[13] Official 652/TCP DTCP, Dynamic Tunnel Configuration Protocol Unofficial 654/TCP AODV (Ad-hoc On-demand Distance Vector) Official 655/TCP IEEE MMS (IEEE Media Management System)[14][15] Official 657/TCP,UDP IBM RMC (Remote monitoring and Control) protocol, used by System p5 AIX Integrated Virtualization Manager (IVM)[16] and Hardware Management Console to connect managed logical partitions (LPAR) to enable dynamic partition reconfiguration Official 660/TCP Mac OS X Server administration Official 665/TCP sun-dr, Remote Dynamic Reconfiguration Unofficial 666/UDP Doom, first online first-person shooter Official 674/TCP ACAP (Application Configuration Access Protocol) Official 691/TCP MS Exchange Routing Official 692/TCP Hyperwave-ISP Official 694/UDP Linux-HA High availability Heartbeat Unofficial 695/TCP IEEE-MMS-SSL (IEEE Media Management System over SSL)[17] Official 698/UDP OLSR (Optimized Link State Routing) Official 699/TCP Access Network Official 700/TCP EPP (Extensible Provisioning Protocol), a protocol for communication between domain name registries and registrars (RFC 4934) Official 701/TCP LMP (Link Management Protocol (Internet))[18], a protocol that runs between a pair of nodes and is used to manage traffic engineering (TE) links Official 702/TCP IRIS[19][20] (Internet Registry Information Service) over BEEP (Blocks Extensible Exchange Protocol)[21] (RFC 3983) Official 706/TCP SILC, Secure Internet Live Conferencing Official 711/TCP Cisco TDP, Tag Distribution Protocol[22][23][24]—being replaced by the MPLS Label Distribution Protocol[25] Official 712/TCP TBRPF, Topology Broadcast based on Reverse-Path Forwarding routing protocol (RFC 3684) Official 712/UDP Promise RAID Controller Unofficial 720/TCP SMQP, Simple Message Queue Protocol Unofficial 749/TCP,UDP Kerberos administration Official 750/TCP rfile Official 750/UDP loadav Official 750/UDP kerberos-iv, Kerberos version IV Official 751/TCP,UDP pump Official 751/TCP,UDP kerberos_master, Kerberos authentication Unofficial 752/TCP qrh Official 752/UDP qrh Official 752/UDP userreg_server, Kerberos Password (kpasswd) server Unofficial 753/TCP Reverse Routing Header (rrh)[26] Official 753/UDP Reverse Routing Header (rrh) Official 753/UDP passwd_server, Kerberos userreg server Unofficial 754/TCP tell send Official 754/TCP krb5_prop, Kerberos v5 slave propagation Unofficial 754/UDP tell send Official 760/TCP,UDP ns Official 760/TCP,UDP krbupdate [kreg], Kerberos registration Unofficial 782/TCP Conserver serial-console management server Unofficial 783/TCP SpamAssassin spamd daemon Unofficial 829/TCP CMP (Certificate Management Protocol) Unofficial 860/TCP iSCSI (RFC 3720) Official 873/TCP rsync file synchronisation protocol Official 888/TCP cddbp, CD DataBase (CDDB) protocol (CDDBP)—unassigned but widespread use Unofficial 901/TCP Samba Web Administration Tool (SWAT) Unofficial 901/TCP, UDP VMware Virtual Infrastructure Client (UDP from server being managed to management console) Unofficial 902/TCP VMware Server Console (TCP from management console to server being Managed) Unofficial 904/TCP VMware Server Alternate (if 902 is in use, i.e. SUSE linux) Unofficial 911/TCP Network Console on Acid (NCA)—local tty redirection over OpenSSH Unofficial 953/TCP,UDP Domain Name System (DNS) RDNC Service Official 981/TCP SofaWare Technologies Remote HTTPS management for firewall devices running embedded Check Point FireWall-1 software Unofficial 989/TCP,UDP FTPS Protocol (data): FTP over TLS/SSL Official 990/TCP,UDP FTPS Protocol (control): FTP over TLS/SSL Official 991/TCP,UDP NAS (Netnews Administration System) Official 992/TCP,UDP TELNET protocol over TLS/SSL Official 993/TCP Internet Message Access Protocol over SSL (IMAPS) Official 995/TCP Post Office Protocol 3 over TLS/SSL (POP3S) Official 999/TCP ScimoreDB Database System Unofficial 1023/TCP,UDP Reserved[1] Official
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