TCP/UDP Port Query

Online query of TCP/UDP port numbers and their corresponding services, with detailed explanations.

Green Tool
{ "columns": [ { "id": "port", "header": "Port / Protocol", "accessorKey": "port" }, { "id": "name", "header": "Name", "accessorKey": "name" }, { "id": "description", "header": "Description", "accessorKey": "description" }, { "id": "category", "header": "Category", "accessorKey": "category" } ], "data": [ { "port": "1", "name": "tcpmux", "description": "TCP Port Service Multiplexer", "category": "Common Ports" }, { "port": "5", "name": "rje", "description": "Remote Job Entry", "category": "Common Ports" }, { "port": "7", "name": "echo", "description": "Echo Service", "category": "Common Ports" }, { "port": "9", "name": "discard", "description": "Null service for connection testing", "category": "Common Ports" }, { "port": "11", "name": "systat", "description": "System Status for listing connected ports", "category": "Common Ports" }, { "port": "13", "name": "daytime", "description": "Sends date and time to the requesting host", "category": "Common Ports" }, { "port": "17", "name": "qotd", "description": "Sends a quote of the day to the connected host", "category": "Common Ports" }, { "port": "18", "name": "msp", "description": "Message Send Protocol", "category": "Common Ports" }, { "port": "19", "name": "chargen", "description": "Character Generator Service; sends an endless stream of characters", "category": "Common Ports" }, { "port": "20", "name": "ftp-data", "description": "FTP Data Port", "category": "Common Ports" }, { "port": "21", "name": "ftp", "description": "File Transfer Protocol (FTP) port; sometimes used by File Service Protocol (FSP)", "category": "Common Ports" }, { "port": "22", "name": "ssh", "description": "Secure Shell (SSH) service", "category": "Common Ports" }, { "port": "23", "name": "telnet", "description": "Telnet Service", "category": "Common Ports" }, { "port": "25", "name": "smtp", "description": "Simple Mail Transfer Protocol (SMTP)", "category": "Common Ports" }, { "port": "37", "name": "time", "description": "Time Protocol", "category": "Common Ports" }, { "port": "39", "name": "rlp", "description": "Resource Location Protocol", "category": "Common Ports" }, { "port": "42", "name": "nameserver", "description": "Internet Name Service", "category": "Common Ports" }, { "port": "43", "name": "nicname", "description": "WHOIS Directory Service", "category": "Common Ports" }, { "port": "49", "name": "tacacs", "description": "Terminal Access Controller Access Control System for TCP/IP-based authentication and access", "category": "Common Ports" }, { "port": "50", "name": "re-mail-ck", "description": "Remote Mail Checking Protocol", "category": "Common Ports" }, { "port": "53", "name": "domain", "description": "Domain Name Service (e.g., BIND)", "category": "Common Ports" }, { "port": "63", "name": "whois++", "description": "WHOIS++, an extended WHOIS service", "category": "Common Ports" }, { "port": "67", "name": "bootps", "description": "Bootstrap Protocol (BOOTP) service; also used by Dynamic Host Configuration Protocol (DHCP) service", "category": "Common Ports" }, { "port": "68", "name": "bootpc", "description": "Bootstrap (BOOTP) client; also used by Dynamic Host Configuration Protocol (DHCP) client", "category": "Common Ports" }, { "port": "69", "name": "tftp", "description": "Trivial File Transfer Protocol (TFTP)", "category": "Common Ports" }, { "port": "70", "name": "gopher", "description": "Gopher Internet document search and retrieval", "category": "Common Ports" }, { "port": "71", "name": "netrjs-1", "description": "Remote Job Service", "category": "Common Ports" }, { "port": "72", "name": "netrjs-2", "description": "Remote Job Service", "category": "Common Ports" }, { "port": "73", "name": "netrjs-3", "description": "Remote Job Service", "category": "Common Ports" }, { "port": "73", "name": "netrjs-4", "description": "Remote Job Service", "category": "Common Ports" }, { "port": "79", "name": "finger", "description": "Finger service for user contact information", "category": "Common Ports" }, { "port": "80", "name": "http", "description": "Hypertext Transfer Protocol (HTTP) for World Wide Web (WWW) services", "category": "Common Ports" }, { "port": "88", "name": "kerberos", "description": "Kerberos Network Authentication System", "category": "Common Ports" }, { "port": "95", "name": "supdup", "description": "Telnet Protocol Extension", "category": "Common Ports" }, { "port": "101", "name": "hostname", "description": "Hostname service on SRI-NIC machines", "category": "Common Ports" }, { "port": "102", "name": "iso-tsap", "description": "ISO Development Environment (ISODE) Network Application", "category": "Common Ports" }, { "port": "105", "name": "csnet-ns", "description": "Mailbox Name Server; also used by CSO Name Server", "category": "Common Ports" }, { "port": "107", "name": "rtelnet", "description": "Remote Telnet", "category": "Common Ports" }, { "port": "109", "name": "pop2", "description": "Post Office Protocol Version 2", "category": "Common Ports" }, { "port": "110", "name": "pop3", "description": "Post Office Protocol Version 3", "category": "Common Ports" }, { "port": "111", "name": "sunrpc", "description": "Remote Procedure Call (RPC) protocol for remote command execution, used by Network File System (NFS)", "category": "Common Ports" }, { "port": "113", "name": "auth", "description": "Authentication and Identification Protocol", "category": "Common Ports" }, { "port": "115", "name": "sftp", "description": "Secure File Transfer Protocol (SFTP) service", "category": "Common Ports" }, { "port": "117", "name": "uucp-path", "description": "Unix-to-Unix Copy Protocol (UUCP) Path Service", "category": "Common Ports" }, { "port": "119", "name": "nntp", "description": "Network News Transfer Protocol (NNTP) for USENET discussion systems", "category": "Common Ports" }, { "port": "123", "name": "ntp", "description": "Network Time Protocol (NTP)", "category": "Common Ports" }, { "port": "137", "name": "netbios-ns", "description": "NETBIOS Name Service used by Samba in Red Hat Enterprise Linux", "category": "Common Ports" }, { "port": "138", "name": "netbios-dgm", "description": "NETBIOS Datagram Service used by Samba in Red Hat Enterprise Linux", "category": "Common Ports" }, { "port": "139", "name": "netbios-ssn", "description": "NETBIOS Session Service used by Samba in Red Hat Enterprise Linux", "category": "Common Ports" }, { "port": "143", "name": "imap", "description": "Internet Message Access Protocol (IMAP)", "category": "Common Ports" }, { "port": "161", "name": "snmp", "description": "Simple Network Management Protocol (SNMP)", "category": "Common Ports" }, { "port": "162", "name": "snmptrap", "description": "SNMP Trap", "category": "Common Ports" }, { "port": "163", "name": "cmip-man", "description": "Common Management Information Protocol (CMIP)", "category": "Common Ports" }, { "port": "164", "name": "cmip-agent", "description": "Common Management Information Protocol (CMIP)", "category": "Common Ports" }, { "port": "174", "name": "mailq", "description": "MAILQ", "category": "Common Ports" }, { "port": "177", "name": "xdmcp", "description": "X Display Manager Control Protocol", "category": "Common Ports" }, { "port": "178", "name": "nextstep", "description": "NeXTStep Window Server", "category": "Common Ports" }, { "port": "179", "name": "bgp", "description": "Border Gateway Protocol", "category": "Common Ports" }, { "port": "191", "name": "prospero", "description": "Cliffod Neuman's Prospero Service", "category": "Common Ports" }, { "port": "194", "name": "irc", "description": "Internet Relay Chat (IRC)", "category": "Common Ports" }, { "port": "199", "name": "smux", "description": "SNMP UNIX Multiplexer", "category": "Common Ports" }, { "port": "201", "name": "at-rtmp", "description": "AppleTalk Routing", "category": "Common Ports" }, { "port": "202", "name": "at-nbp", "description": "AppleTalk Name Binding", "category": "Common Ports" }, { "port": "204", "name": "at-echo", "description": "AppleTalk Echo Service", "category": "Common Ports" }, { "port": "206", "name": "at-zis", "description": "AppleTalk Zone Information", "category": "Common Ports" }, { "port": "209", "name": "qmtp", "description": "Quick Mail Transfer Protocol (QMTP)", "category": "Common Ports" }, { "port": "210", "name": "z39.50", "description": "NISO Z39.50 Database", "category": "Common Ports" }, { "port": "213", "name": "ipx", "description": "Internetwork Packet Exchange (IPX), a datagram protocol commonly used in Novell Netware environments", "category": "Common Ports" }, { "port": "220", "name": "imap3", "description": "Internet Message Access Protocol Version 3", "category": "Common Ports" }, { "port": "245", "name": "link", "description": "LINK", "category": "Common Ports" }, { "port": "347", "name": "fatserv", "description": "Fatmen Server", "category": "Common Ports" }, { "port": "363", "name": "rsvp_tunnel", "description": "RSVP Tunnel", "category": "Common Ports" }, { "port": "369", "name": "rpc2portmap", "description": "Coda File System Port Mapper", "category": "Common Ports" }, { "port": "370", "name": "codaauth2", "description": "Coda File System Authentication Service", "category": "Common Ports" }, { "port": "372", "name": "ulistproc", "description": "UNIX Listserv", "category": "Common Ports" }, { "port": "389", "name": "ldap", "description": "Lightweight Directory Access Protocol (LDAP)", "category": "Common Ports" }, { "port": "427", "name": "svrloc", "description": "Service Location Protocol (SLP)", "category": "Common Ports" }, { "port": "434", "name": "mobileip-agent", "description": "Mobile Internet Protocol (IP) Agent", "category": "Common Ports" }, { "port": "435", "name": "mobilip-mn", "description": "Mobile Internet Protocol (IP) Manager", "category": "Common Ports" }, { "port": "443", "name": "https", "description": "Secure Hypertext Transfer Protocol (HTTP)", "category": "Common Ports" }, { "port": "444", "name": "snpp", "description": "Small Network Paging Protocol", "category": "Common Ports" }, { "port": "445", "name": "microsoft-ds", "description": "Server Message Block (SMB) over TCP/IP", "category": "Common Ports" }, { "port": "464", "name": "kpasswd", "description": "Kerberos Password and Key Change Service", "category": "Common Ports" }, { "port": "468", "name": "photuris", "description": "Photuris Session Key Management Protocol", "category": "Common Ports" }, { "port": "487", "name": "saft", "description": "Simple Asymmetric File Transfer (SAFT) Protocol", "category": "Common Ports" }, { "port": "488", "name": "gss-http", "description": "Generic Security Service (GSS) for HTTP", "category": "Common Ports" }, { "port": "496", "name": "pim-rp-disc", "description": "Rendezvous Point Discovery (RP-DISC) for Protocol Independent Multicast (PIM) services", "category": "Common Ports" }, { "port": "500", "name": "isakmp", "description": "Internet Security Association and Key Management Protocol (ISAKMP)", "category": "Common Ports" }, { "port": "535", "name": "iiop", "description": "Internet Inter-Orb Protocol (IIOP)", "category": "Common Ports" }, { "port": "538", "name": "gdomap", "description": "GNUstep Distributed Object Mapper (GDOMAP)", "category": "Common Ports" }, { "port": "546", "name": "dhcpv6-client", "description": "Dynamic Host Configuration Protocol (DHCP) Version 6 Client", "category": "Common Ports" }, { "port": "547", "name": "dhcpv6-server", "description": "Dynamic Host Configuration Protocol (DHCP) Version 6 Service", "category": "Common Ports" }, { "port": "554", "name": "rtsp", "description": "Real-Time Streaming Protocol (RTSP)", "category": "Common Ports" }, { "port": "563", "name": "nntps", "description": "Network News Transfer Protocol (NNTPS) over Secure Sockets Layer", "category": "Common Ports" }, { "port": "565", "name": "whoami", "description": "whoami", "category": "Common Ports" }, { "port": "587", "name": "submission", "description": "Mail Message Submission Agent (MSA)", "category": "Common Ports" }, { "port": "610", "name": "npmp-local", "description": "Network Peripheral Management Protocol (NPMP) Local / Distributed Queuing System (DQS)", "category": "Common Ports" }, { "port": "611", "name": "npmp-gui", "description": "Network Peripheral Management Protocol (NPMP) GUI / Distributed Queuing System (DQS)", "category": "Common Ports" }, { "port": "612", "name": "hmmp-ind", "description": "HMMP Indication / DQS", "category": "Common Ports" }, { "port": "631", "name": "ipp", "description": "Internet Printing Protocol (IPP)", "category": "Common Ports" }, { "port": "636", "name": "ldaps", "description": "Lightweight Directory Access Protocol (LDAPS) over Secure Sockets Layer", "category": "Common Ports" }, { "port": "674", "name": "acap", "description": "Application Configuration Access Protocol (ACAP)", "category": "Common Ports" }, { "port": "694", "name": "ha-cluster", "description": "Heartbeat service for clusters with high availability", "category": "Common Ports" }, { "port": "749", "name": "kerberos-adm", "description": "Kerberos Version 5 (v5) 'kadmin' database administration", "category": "Common Ports" }, { "port": "750", "name": "kerberos-iv", "description": "Kerberos Version 4 (v4) Service", "category": "Common Ports" }, { "port": "765", "name": "webster", "description": "Network Dictionary", "category": "Common Ports" }, { "port": "767", "name": "phonebook", "description": "Network Phonebook", "category": "Common Ports" }, { "port": "873", "name": "rsync", "description": "rsync file transfer service", "category": "Common Ports" }, { "port": "992", "name": "telnets", "description": "Telnet (TelnetS) over Secure Sockets Layer", "category": "Common Ports" }, { "port": "993", "name": "imaps", "description": "Internet Message Access Protocol (IMAPS) over Secure Sockets Layer", "category": "Common Ports" }, { "port": "994", "name": "ircs", "description": "Internet Relay Chat (IRCS) over Secure Sockets Layer", "category": "Common Ports" }, { "port": "995", "name": "pop3s", "description": "Post Office Protocol Version 3 (POPS3) over Secure Sockets Layer", "category": "Common Ports" }, { "port": "1080", "name": "socks", "description": "SOCKS network application proxy service", "category": "Registered Ports" }, { "port": "1236", "name": "bvcontrol [rmtcfg]", "description": "Garcilis Packeten Remote Configuration Server", "category": "Registered Ports" }, { "port": "1300", "name": "h323hostcallsc", "description": "H.323 Teleconferencing Host Call Security", "category": "Registered Ports" }, { "port": "1433", "name": "ms-sql-s", "description": "Microsoft SQL Server", "category": "Registered Ports" }, { "port": "1434", "name": "ms-sql-m", "description": "Microsoft SQL Monitor", "category": "Registered Ports" }, { "port": "1494", "name": "ica", "description": "Citrix ICA Client", "category": "Registered Ports" }, { "port": "1512", "name": "wins", "description": "Microsoft Windows Internet Name Server", "category": "Registered Ports" }, { "port": "1524", "name": "ingreslock", "description": "Ingres Database Management System (DBMS) Lock Service", "category": "Registered Ports" }, { "port": "1525", "name": "prospero-np", "description": "Unprivileged Prospero", "category": "Registered Ports" }, { "port": "1645", "name": "datametrics [old-radius]", "description": "Datametrics / Former Radius Project", "category": "Registered Ports" }, { "port": "1646", "name": "sa-msg-port [oldradacct]", "description": "sa-msg-port / Former radacct Project", "category": "Registered Ports" }, { "port": "1649", "name": "kermit", "description": "Kermit File Transfer and Management Service", "category": "Registered Ports" }, { "port": "1701", "name": "l2tp [l2f]", "description": "Layer 2 Tunneling Protocol (LT2P) / Layer 2 Forwarding (L2F)", "category": "Registered Ports" }, { "port": "1718", "name": "h323gatedisc", "description": "H.323 Telecommunication Gatekeeper Discovery Mechanism", "category": "Registered Ports" }, { "port": "1719", "name": "h323gatestat", "description": "H.323 Telecommunication Gatekeeper Status", "category": "Registered Ports" }, { "port": "1720", "name": "h323hostcall", "description": "H.323 Telecommunication Host Call Setup", "category": "Registered Ports" }, { "port": "1758", "name": "tftp-mcast", "description": "Trivial File FTP Multicast", "category": "Registered Ports" }, { "port": "1759", "name": "mtftp", "description": "Multicast Trivial File FTP (MTFTP)", "category": "Registered Ports" }, { "port": "1789", "name": "hello", "description": "Hello Router Communication Port", "category": "Registered Ports" }, { "port": "1812", "name": "radius", "description": "Radius Dial-in Authentication and Accounting Service", "category": "Registered Ports" }, { "port": "1813", "name": "radius-acct", "description": "Radius Accounting", "category": "Registered Ports" }, { "port": "1911", "name": "mtp", "description": "Starlight Networks Multimedia Transport Protocol (MTP)", "category": "Registered Ports" }, { "port": "1985", "name": "hsrp", "description": "Cisco Hot Standby Router Protocol", "category": "Registered Ports" }, { "port": "1986", "name": "licensedaemon", "description": "Cisco License Management Daemon", "category": "Registered Ports" }, { "port": "1997", "name": "gdp-port", "description": "Cisco Gateway Discovery Protocol (GDP)", "category": "Registered Ports" }, { "port": "2049", "name": "nfs [nfsd]", "description": "Network File System (NFS)", "category": "Registered Ports" }, { "port": "2102", "name": "zephyr-srv", "description": "Zephyr Notification Transport and Sending Server", "category": "Registered Ports" }, { "port": "2103", "name": "zephyr-clt", "description": "Zephyr serv-hm Connection", "category": "Registered Ports" }, { "port": "2104", "name": "zephyr-hm", "description": "Zephyr Host Manager", "category": "Registered Ports" }, { "port": "2401", "name": "cvspserver", "description": "Concurrent Versions System (CVS) Client/Server Operation", "category": "Registered Ports" }, { "port": "2430/tcp", "name": "venus", "description": "Venus Cache Manager for Coda File System (codacon port)", "category": "Registered Ports" }, { "port": "2430/udp", "name": "venus", "description": "Venus Cache Manager for Coda File System (callback/wbc interface)", "category": "Registered Ports" }, { "port": "2431/tcp", "name": "venus-se", "description": "Venus Transmission Control Protocol (TCP) Side Effect", "category": "Registered Ports" }, { "port": "2431/udp", "name": "venus-se", "description": "Venus User Datagram Protocol (UDP) Side Effect", "category": "Registered Ports" }, { "port": "2432/udp", "name": "codasrv", "description": "Coda File System Server Port", "category": "Registered Ports" }, { "port": "2433/tcp", "name": "codasrv-se", "description": "Coda File System TCP Side Effect", "category": "Registered Ports" }, { "port": "2433/udp", "name": "codasrv-se", "description": "Coda File System UDP SFTP Side Effect", "category": "Registered Ports" }, { "port": "2600", "name": "hpstgmgr [zebrasrv]", "description": "HPSTGMGR; Zebra Routing", "category": "Registered Ports" }, { "port": "2601", "name": "discp-client [zebra]", "description": "discp Client; Zebra Integrated Shell", "category": "Registered Ports" }

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