Port Numbers Reference
Browse 508 well-known and commonly used TCP/UDP ports — organized by service category with security risk levels.
Database (43)
TCP/UDP — Port 66 was historically associated with Oracle SQL*NET, an early version of Oracle's proprietary network …
TCP/UDP — Port 118 was an early IANA assignment for generic SQL database services. Unused today as …
TCP/UDP — Port 156 is an IANA-registered SQL Service port, an early generic placeholder. Unused in contemporary …
TCP — Port 210 is assigned to ANSI Z39.50, a client-server protocol for searching and retrieving information …
TCP/UDP — RLZ DBase, a legacy database protocol assigned by IANA. Used in early enterprise database replication …
TCP/UDP — mdbs_daemon, IANA-registered for the MDBS (Multi-Dimensional Bar System) daemon service. A legacy enterprise database access …
TCP — Applix enterprise business intelligence software, later acquired by IBM and rebranded as IBM Cognos TM1 …
TCP — Microsoft SQL Server. The default port for Microsoft's relational database management system. Should never be …
UDP — Microsoft SQL Server Browser Service. Provides instance discovery and connection information for named SQL Server …
TCP — Oracle Database listener. The default port for Oracle Database TNS (Transparent Network Substrate) connections. Enterprise …
TCP — Port 1526 is an alternative listener port used by Oracle Database, alongside the primary port …
TCP — Port 2181 is the default client port for Apache ZooKeeper, a distributed coordination service. Applications …
TCP — Port 2379 is the client communication port for etcd, the distributed key-value store used by …
TCP — Port 2380 is used for etcd peer-to-peer communication between etcd cluster members. etcd nodes use …
TCP — Port 2399 is used by FileMaker Pro for network data sharing, allowing FileMaker clients to …
TCP — Port 2424 is the default binary protocol port for OrientDB, a multi-model NoSQL database supporting …
TCP — Port 2483 is used by Oracle Database for client connections using the native TCP protocol …
TCP — Port 2484 is used by Oracle Database for encrypted SSL/TLS client connections. This port provides …
TCP — Port 2638 is the default port for SAP SQL Anywhere (formerly Sybase SQL Anywhere) database …
TCP — Port 3050 is the default port for Firebird (formerly InterBase), an open-source relational database management …
TCP — MySQL and MariaDB database server. The default port for the world's most popular open-source relational …
TCP — Port 4022 is used by Microsoft SQL Server for database mirroring endpoints and Service Broker …
TCP — PostgreSQL database server. The default port for the advanced open-source relational database known for reliability, …
TCP — Port 5984 is the default HTTP API port for Apache CouchDB, a document-oriented NoSQL database …
TCP — Redis in-memory data store. A high-performance key-value database used for caching, session storage, message queues, …
TCP — Port 7000 is used by Apache Cassandra for internode cluster communication (non-SSL). Cassandra nodes in …
TCP — Port 7199 is used by Apache Cassandra for JMX (Java Management Extensions) monitoring and management. …
TCP — Port 7474 is the default HTTP port for Neo4j, the world's most popular graph database. …
TCP — Port 8086 is the default HTTP API port for InfluxDB, a popular open-source time series …
TCP — Port 8088 is used by Riak, a distributed NoSQL database, for its HTTP API, and …
TCP — Port 8091 is the primary administrative web console and REST API port for Couchbase Server, …
TCP — Port 8983 is the default HTTP port for Apache Solr, an open-source enterprise search platform …
TCP — Port 9042 is the native CQL (Cassandra Query Language) port for Apache Cassandra, used by …
TCP — Elasticsearch REST API. The HTTP endpoint for the distributed search and analytics engine used for …
TCP — Elasticsearch inter-node transport protocol. Used for communication between nodes in an Elasticsearch cluster for data …
TCP/UDP — Memcached distributed memory caching system. High-performance key-value cache used to speed up web applications by …
TCP — Default port for CockroachDB, a distributed SQL database designed for cloud-native deployments. Used for both …
TCP — MongoDB NoSQL database server. The default port for the document-oriented database known for flexible schemas …
TCP — Default port for MongoDB shard server processes (mongod in a sharded cluster). Used for internal …
TCP — Default port for MongoDB config server processes in a sharded cluster, which store cluster metadata …
TCP — Previously used by MongoDB for its built-in HTTP status interface and REST API, deprecated in …
TCP — Default port for IBM DB2 database server client connections. Also used by SAP HANA and …
TCP — Used as an alternate or development port for PostgreSQL databases in some configurations, particularly Docker-based …
DNS (9)
TCP/UDP — Originally assigned as the Host Name Server protocol on ARPANET, port 42 was later repurposed …
TCP/UDP — Domain Name System. Translates human-readable domain names (e.g., example.com) into IP addresses. TCP is used …
TCP — Port 101 was the original ARPANET host name server, providing hostname-to-address lookups via the Network …
TCP — DNS over TLS (DoT). Encrypts DNS queries between client and recursive resolver using TLS, preventing …
TCP — BIND Remote Name Daemon Control (RNDC), used to remotely control the BIND named DNS server …
TCP/UDP — Port 1512 is used by Windows Internet Name Service (WINS), Microsoft's implementation of NetBIOS Name …
TCP — Port 2053 is used by Cloudflare and other providers as an alternative port for DNS …
UDP — Port 5353 is used by mDNS (Multicast DNS), which enables zero-configuration DNS name resolution on …
TCP/UDP — Port 5355 is used by LLMNR (Link-Local Multicast Name Resolution), a Microsoft protocol that allows …
Email (21)
TCP — Simple Mail Transfer Protocol. The standard protocol for sending email between mail servers. Often targeted …
TCP — POP2 (Post Office Protocol version 2) is the predecessor to POP3, defined in RFC 937. …
TCP — Post Office Protocol v3. Retrieves email from a mail server, typically downloading messages to the …
TCP — Internet Message Access Protocol. Retrieves and manages email on a mail server, keeping messages on …
TCP/UDP — PCMail Server was an early distributed mail architecture protocol defined in RFC 1056. Entirely obsolete.
TCP/UDP — MAILQ was an early protocol for querying the state of a mail server's outbound message …
TCP — QMTP (Quick Mail Transfer Protocol) is a replacement for SMTP designed for high-performance mail transfer …
TCP — Port 220 is assigned to IMAP3, an early version of the IMAP email retrieval protocol …
TCP — SMTP over SSL/TLS (implicit TLS). Provides encrypted email submission from clients to mail servers. Reintroduced …
TCP — Mail Message Submission (MSA). The recommended port for email clients to submit outgoing mail using …
TCP — Application Configuration Access Protocol (ACAP), defined in RFC 2244, designed for server-side storage of email …
TCP — Microsoft Exchange Server Link State routing protocol, used internally by Exchange 2000/2003 servers for routing …
TCP — SpamAssassin spamd daemon, the server process of the widely-used Apache SpamAssassin open-source email spam filter. …
TCP — Microsoft Exchange MAPI over HTTP, introduced in Exchange 2013 SP1 as a replacement for Outlook …
TCP — IMAP over SSL/TLS. Encrypted version of IMAP for secure email access from multiple devices. Uses …
TCP — POP3 over SSL/TLS. Encrypted version of POP3 for secure email retrieval. Uses implicit TLS to …
TCP — Port 1352 is used by IBM Lotus Notes and Domino server for client-server communication. It …
TCP — Port 2095 provides access to cPanel's webmail interface (RoundCube, Horde, SquirrelMail) over HTTP. Hosting users …
TCP — Port 2096 provides secure HTTPS access to cPanel's webmail interface, encrypting email credentials and message …
TCP — Port 2525 is a commonly used alternate SMTP port for outbound email submission, particularly useful …
TCP — Port 7071 is the default HTTPS port for the Zimbra Collaboration Suite administration console. System …
File Transfer (40)
TCP — FTP data transfer channel. Used in active mode FTP for the server to establish a …
TCP — FTP control channel. Handles authentication, directory listing commands, and file transfer negotiation. Sends usernames and …
UDP — Trivial File Transfer Protocol. A simplified file transfer protocol with no authentication or encryption. Commonly …
TCP — Port 82 is registered with IANA as the XFER file transfer utility, an obscure early …
TCP — Port 115 is the Simple File Transfer Protocol (SFTP), defined in RFC 913. Not to …
TCP — UUCP Path Service provided routing information for the UUCP (Unix-to-Unix Copy Protocol) bang-path email and …
TCP — NetBIOS Session Service. Establishes sessions for file and printer sharing on legacy Windows networks (SMB …
TCP/UDP — BFTP (Background File Transfer Program) was designed for asynchronous, low-priority file transfers. Defined in RFC …
TCP/UDP — The Prospero Directory Service was a distributed filesystem and resource location protocol from the early …
TCP — Port 369 is assigned to rpc2portmap, used by Coda filesystem's RPC2 portmapper service. Limited to …
TCP/UDP — Port 371 is assigned to ClearCase, IBM Rational ClearCase's version control and software configuration management …
TCP — Port 411 is commonly associated with Direct Connect (DC++) Hub, a peer-to-peer file sharing network …
TCP — Server Message Block. Provides shared access to files, printers, and serial ports over a network. …
TCP — Port 497 is assigned to Retrospect backup software for network backup client-server communication. Exposure risks …
TCP/UDP — Port 524 is assigned to NCP (NetWare Core Protocol), Novell NetWare's primary protocol for file …
TCP — Port 540 is assigned to UUCP (Unix-to-Unix Copy Protocol), one of the earliest Unix networking …
TCP — Port 548 is assigned to AFP (Apple Filing Protocol), used by macOS for file sharing. …
TCP — Port 556 is assigned to Remotefs (rfs), an early Sun Microsystems alternative to NFS. Entirely …
TCP — Port 564 is associated with 9P (Plan 9 File Protocol), from Bell Labs Plan 9 …
TCP — Used by Apple Xsan (formerly StorNext SAN) filesystem, a shared storage area network solution for …
TCP — Internet Small Computer System Interface (iSCSI), defined in RFC 7143, encapsulates SCSI storage commands over …
TCP — rsync file synchronization protocol. Efficiently transfers and synchronizes files between systems using delta encoding to …
TCP — Brocade Storage Management Initiative Specification (SMI-S) service, used by Brocade SAN switches to expose storage …
TCP — Brocade Storage Management Initiative Specification (SMI-S) over SSL/TLS, the encrypted variant of Brocade SAN management …
TCP — Lustre high-performance distributed filesystem, used in HPC supercomputing storage clusters. Dominant parallel filesystem in 7 …
TCP — FTP data channel over TLS/SSL (implicit). The encrypted version of the FTP data channel (port …
TCP — FTP control channel over TLS/SSL (implicit). The encrypted version of the FTP control channel (port …
TCP — Port 1214 was used by Kazaa and Morpheus, popular peer-to-peer file sharing applications in the …
TCP/UDP — Network File System. Allows remote access to files over a network as if they were …
TCP/UDP — Port 2710 is commonly used by XBT Tracker and other BitTorrent trackers for peer discovery …
TCP — Port 2811 is used by Globus GridFTP for high-performance, secure file transfer in scientific computing …
TCP — Port 3260 is the standard port for iSCSI (Internet Small Computer System Interface), a protocol …
TCP/UDP — Port 4662 is used by the eMule and eDonkey2000 peer-to-peer file sharing applications for client-to-server …
TCP/UDP — Port 6346 is used by the Gnutella peer-to-peer file sharing protocol, which powers clients like …
TCP/UDP — Port 6881 is the first in the default range (6881-6889) used by BitTorrent clients for …
TCP — Port 8112 is the default port for the Deluge BitTorrent client's web interface. Deluge is …
TCP — Port 9091 is the default web interface port for Transmission, a popular lightweight BitTorrent client …
TCP/UDP — Used by Dropbox for LAN sync discovery and file transfer between devices on the same …
TCP/UDP — Default TCP/UDP port used by Syncthing for peer-to-peer file synchronization between devices. Syncthing is an …
TCP/UDP — Default port for Transmission BitTorrent client. Used for peer-to-peer file sharing using the BitTorrent protocol. …
Gaming (17)
TCP/UDP — Originally used by the game Doom for multiplayer over IPX networks. Also assigned to MDQS …
TCP — Port 1119 is used by Blizzard Entertainment's Battle.net gaming platform for chat and friend list …
UDP — Port 2302 is the default game server port for ArmA (Armed Assault) series games and …
UDP — Port 2456 is the default game server port for Valheim, a popular Viking survival game. …
TCP/UDP — Port 3074 is the primary port used by Microsoft Xbox Live for online gaming services, …
TCP/UDP — Port 3724 is the primary game port used by Blizzard Entertainment's World of Warcraft and …
TCP/UDP — Port 7777 is a popular choice for game servers and custom applications, used by iChat …
UDP — Port 8767 is the default UDP port for TeamSpeak 2 (legacy) voice communication servers used …
UDP — Used by various Battlefield series game servers and several indie game titles for multiplayer communications. …
UDP — Default port for Minecraft Bedrock Edition servers used on consoles, mobile, and Windows 10 platforms. …
TCP — Default port for Starbound multiplayer game servers. Starbound is a sandbox exploration game that uses …
TCP — Minecraft Java Edition multiplayer server. The default port for hosting Minecraft game servers that players …
TCP — Default RCON (Remote Console) port for Minecraft Java Edition servers. Allows administrators to send commands …
UDP — The original default port for id Software's Quake game servers, later carried over to Quake …
UDP — Valve Source Engine and Steam game servers. Used by Counter-Strike, Team Fortress 2, Garry's Mod, …
UDP — Default game port for Rust, a popular survival multiplayer game. Players connect to Rust servers …
TCP — RuneScape game client connection port. Used by the popular MMORPG RuneScape for client-server communication during …
Messaging (49)
TCP/UDP — Message Send Protocol. A simple protocol for sending short messages between users on different hosts. …
TCP — Port 87 (also called 'link') was used for terminal-to-terminal chat on UNIX systems. It predates …
TCP — NNTP (Network News Transfer Protocol), defined in RFC 977 and updated in RFC 3977, is …
TCP/UDP — IRC (Internet Relay Chat) is a text-based real-time messaging protocol defined in RFC 1459. While …
TCP — Port 218 is assigned to MPP (Message Posting Protocol), designed for posting messages to bulletin …
TCP — Port 433 is assigned to NNSP (Network News Transfer Protocol Security), used for secure NNTP …
TCP — Port 444 is assigned to SNPP (Simple Network Paging Protocol), defined in RFC 1861, used …
TCP — Port 504 is assigned to Citadel, an open-source groupware and messaging server providing email, calendaring, …
TCP — Port 510 is assigned to FCP (FirstClass Protocol), used by FirstClass email and conferencing system. …
UDP — Port 517 is assigned to Talk, a real-time text chat program for Unix systems. Obsolete …
UDP — Port 518 is assigned to NTalk (New Talk), an updated version of the Unix Talk …
TCP — Port 531 is associated with both AOL Instant Messenger and as an alternate IRC port. …
TCP — Port 532 is assigned to netnews, used for Usenet news reading and article transfer. Usage …
TCP — Port 563 is assigned to NNTPS (Network News Transfer Protocol over TLS), the encrypted version …
TCP — Secure Internet Live Conferencing (SILC), an encrypted messaging and conferencing protocol with end-to-end encryption. Largely …
TCP — Simple Message Queue Protocol (SMQP), an early lightweight message queuing protocol predating modern alternatives like …
TCP — Internet Relay Chat over SSL/TLS (IRCS). Most IRC networks use port 6697 in practice rather …
TCP — Port 1337 is associated with WASTE, a peer-to-peer encrypted messaging and file sharing application. It …
TCP — Port 1414 is the default listener port for IBM MQ (formerly WebSphere MQ / MQSeries) …
TCP — Port 1503 was used by Microsoft NetMeeting and Windows Live Messenger (MSN Messenger) for data …
TCP — Port 1533 is used by IBM Sametime, an enterprise instant messaging and web conferencing platform. …
TCP/UDP — Port 1801 is used by Microsoft Message Queuing (MSMQ) for sending and receiving messages between …
TCP — Port 1863 was used by MSN Messenger (Windows Live Messenger) for instant messaging, presence, and …
TCP — Message Queuing Telemetry Transport. A lightweight publish-subscribe messaging protocol designed for IoT devices, sensor networks, …
TCP — Port 2195 was the original port used by Apple Push Notification service (APNs) for sending …
TCP — Port 2196 was used by Apple Push Notification service (APNs) feedback service, which provided app …
TCP/UDP — Port 4000 is associated with ICQ instant messaging (legacy) and Blizzard's Diablo II game server. …
TCP — Port 4222 is the default client connection port for NATS, a high-performance open-source messaging system …
TCP — Port 4369 is used by EPMD (Erlang Port Mapper Daemon), a port mapper service for …
TCP — Port 5050 was the primary port used by Yahoo Messenger for instant messaging communications. It …
TCP/UDP — Session Initiation Protocol. Signals and controls VoIP (Voice over IP) phone calls, video conferencing, and …
TCP — SIP over TLS (Secure SIP). Encrypted version of the Session Initiation Protocol for secure VoIP …
TCP — Port 5190 is the port used by AOL Instant Messenger (AIM) and the OSCAR (Open …
TCP — Port 5222 is the standard port for XMPP (Extensible Messaging and Presence Protocol) client connections, …
TCP — Port 5223 is used for SSL-encrypted XMPP client connections and historically by Apple Push Notification …
TCP — Port 5228 is used by Google Cloud Messaging (GCM) and Firebase Cloud Messaging (FCM) for …
TCP — Port 5269 is the standard port for server-to-server XMPP federation, allowing different XMPP server instances …
TCP — Port 5280 is used by ejabberd and other XMPP servers for HTTP-based XMPP connections via …
TCP — Advanced Message Queuing Protocol. Used by RabbitMQ and other message brokers for reliable, asynchronous message …
TCP — Internet Relay Chat. A real-time text messaging protocol for group and private communication. Port range …
TCP — Port 6667 is the standard port for IRC (Internet Relay Chat), one of the oldest …
TCP — IRC over TLS/SSL. The encrypted version of Internet Relay Chat, providing secure, private real-time messaging …
TCP — MQTT over TLS/SSL. Encrypted version of MQTT (port 1883) for secure IoT device communication and …
TCP — Port 9092 is the default port for Apache Kafka brokers, one of the most widely …
TCP — Port 9093 is used by Apache Kafka for SSL/TLS-encrypted broker connections, providing a secure alternative …
TCP — Default port for Beanstalkd, a simple and fast general-purpose work queue server. It is used …
TCP — The HTTP management console port for RabbitMQ message broker. It provides a web UI and …
TCP/UDP — An alternate port sometimes used by Mumble voice chat servers as a variant of the …
TCP/UDP — Default port for Mumble, an open-source low-latency voice over IP (VoIP) application designed for gaming …
Other (61)
TCP — WHOIS protocol. Queries domain name registration databases to retrieve information about domain ownership, registration dates, …
TCP — Whois++ was an extended version of the WHOIS protocol designed to provide richer directory queries …
TCP — DICOM (Digital Imaging and Communications in Medicine) is the international standard for medical imaging data …
TCP — The CCSO Nameserver (also called qi or ph) was a directory service developed at the …
TCP — Network PostScript was assigned for printing using the Adobe PostScript page description language over a …
TCP — IMPLink (Interface Message Processor Link) was used in the early ARPANET to connect hosts to …
TCP — Port 201 is assigned to AppleTalk Routing Maintenance, part of Apple's legacy AppleTalk networking suite …
TCP/UDP — Port 213 is assigned to IPX (Internetwork Packet Exchange), Novell's legacy networking protocol used in …
TCP — Port 264 is assigned to BGMP (Border Gateway Multicast Protocol), an experimental protocol for inter-domain …
TCP — Port 350 is assigned to MATIP Type A (Mapping of Airline Traffic over Internet Protocol), …
TCP — Port 351 is assigned to MATIP Type B, a variant of MATIP used for carrying …
TCP — Port 387 is assigned to AURP (AppleTalk Update-Based Routing Protocol), used to tunnel AppleTalk traffic …
TCP/UDP — Port 434 is assigned to MobileIP-Agent, used by Mobile IP home and foreign agents to …
TCP — Port 475 is assigned to Cybercash, an early internet payment processing protocol from the mid-1990s. …
TCP — Port 502 is assigned to Modbus, widely used in industrial control systems (ICS), SCADA systems, …
TCP/UDP — Port 542 is assigned to 'commerce' in the IANA registry for commercial transaction processing. Never …
TCP — TUNNEL profile as defined in RFC 3620, a BEEP profile for creating tunneled connections through …
TCP — Multicast Source Discovery Protocol (MSDP), defined in RFC 3618, used by PIM-SM to share active …
TCP/UDP — Label Distribution Protocol (LDP), defined in RFC 5036, used in MPLS networks to distribute label …
TCP — Registry Registrar Protocol (RRP), defined in RFC 2832, was the original protocol for domain registrar-to-registry …
TCP/UDP — IEEE Manufacturing Message Specification (MMS), defined in ISO 9506, used in industrial automation and SCADA …
UDP — Ad hoc On-Demand Distance Vector (AODV) routing protocol, defined in RFC 3561, used in mobile …
TCP/UDP — REALM-RUSD (Realm Roaming User Session Database) protocol, used in early mobile network roaming session management …
TCP — IEEE Manufacturing Message Specification (MMS) over SSL/TLS, the encrypted variant of the MMS industrial control …
UDP — Optimized Link State Routing (OLSR) protocol, defined in RFC 3626, is a proactive routing protocol …
TCP — Extensible Provisioning Protocol (EPP), defined in RFC 5734, the standard protocol for domain registrar-to-registry communication. …
TCP — Link Management Protocol (LMP), defined in RFC 4204, used in optical and MPLS networks to …
TCP — Internet Registry Information Service (IRIS) over BEEP transport, defined in RFC 3983. Provides standardized protocol …
TCP — Tag Distribution Protocol (TDP), a Cisco proprietary precursor to the IETF-standardized LDP on port 646, …
UDP — Topology Broadcast Based on Reverse-Path Forwarding (TBRPF), defined in RFC 3684, a link-state routing protocol …
TCP — NETCONF over SSH, defined in RFC 6242, provides XML-based network device configuration management. Primary method …
TCP — NETCONF over BEEP transport, defined in RFC 4744. An alternative NETCONF transport with less deployment …
TCP — NETCONF over SOAP with HTTPS transport, defined in RFC 4743. Used where firewall policies favor …
TCP — One-Way Active Measurement Protocol (OWAMP) control channel, defined in RFC 4656, for measuring one-way network …
TCP — Two-Way Active Measurement Protocol (TWAMP) control channel, defined in RFC 5357, for measuring round-trip network …
TCP — OMG Initial References, used by CORBA for obtaining initial object references. CORBA was dominant enterprise …
TCP/UDP — Netnews Administration System (NAS), defined in RFC 4707, for centralized management of NNTP news server …
TCP — Cadlock2 network locking protocol, used in CAD/CAM license management systems to enforce concurrent use licenses …
TCP — Port 3690 is the default port for Apache Subversion (SVN), a widely used version control …
TCP — Port 4840 is the default port for OPC UA (OPC Unified Architecture), an industrial communication …
UDP — Port 5683 is the standard port for CoAP (Constrained Application Protocol), a lightweight RESTful protocol …
TCP — Port 8042 is the default port for the Apache Hadoop YARN NodeManager web interface. NodeManagers …
TCP — Port 8123 is the default HTTP port for Home Assistant, the most popular open-source home …
TCP — Port 8332 is the default RPC (Remote Procedure Call) port for Bitcoin Core on the …
TCP — Port 8333 is the standard peer-to-peer communication port for the Bitcoin network, used by Bitcoin …
TCP — Port 8545 is the default JSON-RPC port for Ethereum nodes (go-ethereum/geth and others) for interacting …
TCP — Git protocol (git://). Provides fast, read-only access to Git repositories without authentication or encryption. Used …
TCP — Port 9735 is the default peer-to-peer port for Lightning Network nodes, a Layer 2 payment …
TCP — Port 9870 is the default web UI port for the Apache Hadoop HDFS NameNode in …
TCP — Port 9999 is used by various applications including Urchin web analytics (predecessor to Google Analytics), …
TCP — Used by Veritas NetBackup for client-to-server backup communications. The NetBackup client daemon listens on this …
TCP — Default P2P communication port for the Monero cryptocurrency node. Used for block and transaction propagation …
TCP — Default RPC (Remote Procedure Call) port for the Monero cryptocurrency daemon. Allows wallets and external …
TCP — Used for Bitcoin testnet peer-to-peer network communication between nodes. Testnet is used by developers to …
TCP/UDP — Default peer-to-peer networking port for Ethereum nodes running Geth and other Ethereum clients. Used for …
TCP — Widely used as a default HTTP web interface port on Chinese-manufactured IP cameras, DVR, and …
TCP — Default TCP client access port for Dahua brand DVR, NVR, and IP camera systems. Used …
TCP — Used by Helium network hotspot miners for peer-to-peer blockchain communication. Required to be forwarded for …
UDP — The standard port for BACnet (Building Automation and Control Network) over IP protocol. Used in …
TCP — Default HTTP web UI port for Apache Hadoop's HDFS NameNode. Provides access to the file …
TCP/UDP — A repeating-digit port commonly chosen for development, testing, and custom application use due to its …
Remote Access (41)
TCP — Secure Shell. Provides encrypted remote login, command execution, and file transfer (SCP/SFTP). The standard for …
TCP — Telnet protocol. Provides unencrypted text-based remote login to network devices and servers. All data including …
TCP — Port 89 was assigned to the SU/MIT Telnet Gateway, an early ARPANET service that provided …
TCP — SUPDUP was a terminal protocol developed at MIT in the 1970s as an enhancement to …
TCP — Port 107 was assigned as an alternate or gateway-mediated Telnet service. This service is completely …
UDP — XDMCP (X Display Manager Control Protocol) allows X Window System display terminals to request a …
TCP/UDP — Port 259 is assigned to ESRO (Efficient Short Remote Operations), a lightweight protocol designed for …
TCP — Port 311 is used by Apple macOS Server for its web-based management interface. Exposing this …
TCP — Port 384 is assigned to ARNS (A Remote Network Server System), an early protocol for …
TCP — Port 512 is assigned to rexec (Remote Process Execution). Transmits credentials in plaintext and has …
TCP — Port 513 is assigned to rlogin, which relies on a deeply flawed IP-based trust model …
TCP/UDP — Port 530 is assigned to RPC (Remote Procedure Call) as a registered port. RPC exposure …
TCP — Port 543 is assigned to klogin, the Kerberos-authenticated rlogin service. Superseded by Kerberos-authenticated SSH.
TCP — Port 544 is assigned to krcmd (Kerberos Remote Command), the Kerberos-authenticated version of rsh. Superseded …
TCP/UDP — SupportSoft remote support and diagnostics protocol, used by the SupportSoft enterprise remote assistance platform. Common …
TCP — Apple macOS Server administration protocol, used by the macOS Server Admin application for remote server …
TCP — 3Com AccessBuilder remote access server management protocol. Entirely obsolete following the decline of dedicated hardware-based …
TCP/UDP — VMware Server and ESXi management port, used for host-agent communication including the VMware Authentication Daemon. …
TCP — VMware Remote Console (VMRC) port, used for remote access to virtual machine consoles through VMware …
TCP — Telnet over SSL/TLS. While it addresses Telnet's plaintext problem, SSH on port 22 is universally …
TCP — Port 1494 is used by Citrix Independent Computing Architecture (ICA) protocol for virtual desktop and …
TCP/UDP — Port 1604 is associated with Citrix systems and the Datagram Protocol for remote application delivery. …
TCP — Port 2222 is commonly used as an alternate SSH port to reduce automated brute-force attacks …
TCP — Port 2598 is used by Citrix for Reliable ICA (RICAL), an enhanced version of the …
TCP/UDP — Port 3283 is used by Apple Remote Desktop (ARD) for remote management and screen sharing …
TCP/UDP — Remote Desktop Protocol. Provides graphical remote access to Windows desktops and servers. A primary target …
TCP — Port 5037 is the local host port used by the Android Debug Bridge (ADB) server …
TCP — Port 5500 is used for reverse VNC (Virtual Network Computing) connections, where the remote desktop …
TCP — Port 5555 is used by Android Debug Bridge (ADB) for remote TCP connections to Android …
TCP — Port 5631 is used by Symantec (now Broadcom) pcAnywhere for remote desktop data transfer. PCAnywhere …
TCP — Port 5800 is used by VNC servers to serve an embedded Java applet-based web viewer, …
TCP — Virtual Network Computing. Provides graphical remote desktop access using the RFB (Remote Framebuffer) protocol. Cross-platform …
TCP — Port 5901 is used by VNC (Virtual Network Computing) for the second virtual display (display …
TCP/UDP — Port 5938 is the primary port used by TeamViewer for remote desktop and remote support …
TCP — Port 5985 is used by Windows Remote Management (WinRM) for HTTP-based remote PowerShell and management …
TCP — Port 5986 is used by Windows Remote Management (WinRM) for HTTPS-encrypted remote PowerShell and management …
TCP — Port 6000 is the base port for X11 (X Window System), the display server protocol …
TCP — Port 8291 is used by MikroTik's proprietary Winbox management protocol for configuring RouterOS-based routers and …
TCP — Used by Webmin, a web-based Linux/Unix system administration interface. Also assigned to DNP3 (Distributed Network …
TCP — Default port for Synergy and its open-source fork Barrier, software that shares a keyboard and …
UDP — The starting port in the default range (60000-61000) used by Mosh (Mobile Shell), a UDP-based …
Security & VPN (47)
TCP/UDP — Terminal Access Controller Access-Control System. Provides centralized authentication, authorization, and accounting for network devices such …
TCP/UDP — TACACS-DS (Terminal Access Controller Access Control System - Database Service) is a predecessor variant of …
TCP/UDP — Kerberos authentication protocol. Provides secure mutual authentication using tickets, widely used in Active Directory and …
TCP/UDP — Port 90 was originally assigned to DNSIX (Defense Intelligence Agency Network Security for Information Exchange), …
TCP — Port 370 is assigned to codaauth2, the authentication service for the Coda distributed filesystem developed …
TCP/UDP — Lightweight Directory Access Protocol. Accesses and manages distributed directory services like Active Directory. Used for …
TCP/UDP — Port 464 is assigned to kpasswd, used for changing Kerberos passwords in Active Directory and …
UDP — Port 500 is assigned to IKE (Internet Key Exchange) and ISAKMP, the key negotiation protocols …
TCP — LDAP over SSL/TLS. Encrypted version of LDAP for secure directory access and authentication. Used by …
TCP/UDP — Kerberos 5 administration server (kadmin), used to remotely administer the KDC including adding, modifying, and …
UDP — Kerberos version 4 authentication service. Has known cryptographic weaknesses including DES-only encryption. Superseded by Kerberos …
TCP/UDP — Kerberos v4 master database administration service. Relies on cryptographically broken DES encryption. Should be disabled …
TCP/UDP — Kerberos v4 user registration service. Deprecated and replaced by kadmin on port 749 in Kerberos …
TCP — Kerberos v5 KDC database propagation service, used to replicate the principal database from master to …
TCP/UDP — Kerberos v4 krbupdate service for updating entries in the legacy v4 authentication system. Part of …
TCP — Certificate Management Protocol (CMP), defined in RFC 4210, used for PKI certificate lifecycle management including …
UDP — Group Domain of Interpretation (GDOI), defined in RFC 6407, an IKE-based key management protocol for …
UDP — Kerberized Internet Negotiation of Keys (KINK), defined in RFC 4430, uses Kerberos tickets for IPsec …
TCP — SofaWare Secure Remote Management port, used by Check Point SofaWare embedded security gateway appliances.
TCP — SOCKS proxy protocol. A general-purpose proxy protocol that routes any TCP/UDP traffic through a proxy …
TCP/UDP — OpenVPN. An open-source VPN solution that creates encrypted point-to-point tunnels using SSL/TLS. Widely used for …
TCP — Port 1241 is the default port for the Nessus vulnerability scanner server daemon. Security professionals …
TCP/UDP — Port 1293 is assigned to IPSec (Internet Protocol Security) for secure VPN tunnel establishment and …
TCP — Port 1344 is the default port for the Internet Content Adaptation Protocol (ICAP). ICAP allows …
TCP — Port 1524 is associated with the Ingreslock backdoor, historically left open by some attackers after …
UDP — Port 1645 is an older, unofficial RADIUS authentication port used before the IANA officially assigned …
UDP — Port 1646 is the legacy RADIUS accounting port, used before IANA standardized port 1813 for …
UDP — Port 1701 is the standard port for Layer 2 Tunneling Protocol (L2TP), used to create …
TCP — Point-to-Point Tunneling Protocol. A VPN protocol developed by Microsoft. Considered cryptographically broken and insecure — …
UDP — Port 1812 is the official IANA-assigned port for RADIUS (Remote Authentication Dial-In User Service) authentication. …
UDP — Port 1813 is the official IANA-assigned port for RADIUS accounting. It collects session data including …
TCP — Port 2967 is used by Symantec (now Broadcom) Endpoint Protection Manager for communication between the …
TCP — Port 3269 is the SSL/TLS-encrypted version of the Microsoft Active Directory Global Catalog service on …
TCP/UDP — Port 3868 is the standard port for the Diameter protocol, the successor to RADIUS used …
TCP — Port 4444 is commonly associated with Metasploit Framework's default meterpreter reverse shell listener, making it …
UDP — Port 4500 is used for IPsec NAT traversal (NAT-T), which encapsulates IKE and ESP packets …
TCP — Port 8200 is the default port for HashiCorp Vault, an enterprise secrets management and encryption-as-a-service …
TCP/UDP — Port 8388 is a commonly used port for Shadowsocks, an encrypted proxy protocol originally created …
TCP — Port 8834 is the default HTTPS port for the Nessus vulnerability scanner web interface and …
TCP — Port 9001 is the default OR (onion router) port used by Tor network relay nodes …
TCP — Port 9050 is the default SOCKS5 proxy port for the Tor client, allowing local applications …
TCP — Port 9051 is the Tor control port, which allows local applications to control and monitor …
TCP — Port 9150 is the SOCKS5 proxy port used by the Tor Browser Bundle, as distinct …
TCP/UDP — Historically associated with NetBus, an early remote administration and trojan tool from the late 1990s. …
TCP/UDP — Historically associated with Back Orifice, a controversial remote administration tool / trojan from 1998 by …
UDP — WireGuard VPN (common alternative port). While WireGuard has no official IANA port, 51820 is the …
UDP — WireGuard VPN. A modern, high-performance VPN protocol built into the Linux kernel. Uses state-of-the-art cryptography …
Streaming & Media (17)
TCP — Port 545 is assigned to appleqtcsrvr (Apple QuickTime Content Server). Obsolete as Apple discontinued QuickTime …
TCP/UDP — Real Time Streaming Protocol. Controls the delivery of real-time streaming media such as IP camera …
TCP — Port 1720 is used by the H.323 VoIP and video conferencing protocol for call signaling …
TCP/UDP — Port 1755 is used by Microsoft Windows Media Services (MMS protocol) for streaming audio and …
TCP — Port 1935 is the default port for Real-Time Messaging Protocol (RTMP), developed by Adobe for …
TCP — Port 2000 is used by Cisco's Skinny Client Control Protocol (SCCP), also known as Skinny, …
UDP — Port 2427 is used by Media Gateway Control Protocol (MGCP) for communication between call agents …
TCP/UDP — Port 3478 is the standard port for STUN (Session Traversal Utilities for NAT) and TURN …
TCP — Port 3689 is used by Apple's Digital Audio Access Protocol (DAAP), which powers iTunes and …
UDP — Port 4569 is used by IAX2 (Inter-Asterisk eXchange version 2), a VoIP protocol native to …
TCP/UDP — Port 5004 is the standard IANA-assigned port for RTP (Real-time Transport Protocol), which carries audio …
TCP — Port 6600 is the default port for MPD (Music Player Daemon), an open-source server-side music …
TCP — Port 7070 is used by RTSP (Real Time Streaming Protocol) as an alternative port and …
TCP — Port 8096 is the default HTTP port for Jellyfin and Emby Media Server, popular open-source …
TCP — Port 8554 is a commonly used alternate port for RTSP (Real Time Streaming Protocol) streaming …
TCP — Primary HTTP port for Plex Media Server web interface and remote access. Used for streaming …
TCP — Sunshine game streaming server (HTTPS). Used with the Moonlight client for low-latency remote game streaming …
System & Infrastructure (119)
TCP/UDP — Port 0 is reserved by IANA and is not used for any service. In programming, …
TCP — TCP Port Service Multiplexer. Allows multiple services to share a single well-known port by routing …
TCP/UDP — Remote Job Entry. A legacy protocol used for submitting batch jobs to mainframe computers over …
TCP/UDP — Echo protocol. Returns any data it receives back to the sender. Used primarily for network …
TCP/UDP — Discard protocol. Silently discards all received data without sending any response. Also used for Wake-on-LAN …
TCP/UDP — Active Users (Systat) service. Lists the currently active users on a system. Considered a security …
TCP/UDP — Daytime protocol. Returns the current date and time as a human-readable string. Largely replaced by …
TCP — An early ARPANET protocol used to query network status information from a remote host. It …
TCP/UDP — Quote of the Day protocol. Sends a short text message (typically a quote or saying) …
TCP/UDP — Character Generator protocol. Continuously sends a stream of characters to the client. Used for network …
TCP/UDP — Time Protocol. Returns the current time as a 32-bit binary value representing seconds since January …
UDP — Dynamic Host Configuration Protocol server port. Automatically assigns IP addresses, subnet masks, gateways, and DNS …
UDP — DHCP client port. Used by devices to receive IP address assignments and network configuration parameters …
TCP/UDP — NETRJS-1 through NETRJS-4 (ports 71-74) were assigned for the Remote Job Entry service used on …
TCP/UDP — NETRJS-2 is the second of four ports (71-74) assigned to the ARPANET Remote Job Entry …
TCP/UDP — NETRJS-3 is the third variant port for the ARPANET Network Remote Job Service. Defined alongside …
TCP/UDP — NETRJS-4 is the fourth and final port in the ARPANET Network Remote Job Entry suite. …
TCP — Finger protocol. Retrieves information about users on a remote system, including login name, real name, …
TCP — ISO-TSAP (Transport Service Access Point) is part of the OSI protocol stack, providing transport layer …
TCP/UDP — RPCBind (also called portmapper) maps ONC RPC program numbers to the dynamic ports on which …
TCP — Identification Protocol (Auth). Identifies the user of a TCP connection. Historically used by IRC servers …
UDP — Network Time Protocol. Synchronizes clocks across networked computers with millisecond accuracy. Essential for logging, security …
TCP — Microsoft RPC Endpoint Mapper. Used by Windows systems for DCOM and RPC services. Frequently targeted …
UDP — NetBIOS Name Service. Resolves NetBIOS names to IP addresses on local networks. Part of the …
UDP — NetBIOS Datagram Service. Provides connectionless messaging between NetBIOS hosts for browsing, announcements, and other lightweight …
UDP — SGMP (Simple Gateway Monitoring Protocol) was the predecessor to SNMP. Defined in RFC 1028. Replaced …
UDP — SGMP-TRAPS was the trap notification port for SGMP. Replaced by SNMP Trap on port 162.
UDP — Simple Network Management Protocol. Monitors and manages network devices such as routers, switches, and servers. …
UDP — SNMP Trap receiver. Receives asynchronous alert notifications from network devices, such as interface failures, temperature …
TCP/UDP — CMIP (Common Management Information Protocol) over TCP was part of the OSI network management framework. …
TCP/UDP — Port 164 is designated for CMIP/TCP agents, the managed devices that respond to management queries. …
TCP — Port 178 was assigned to the NeXTStep Window Server, the display server used by NeXT …
TCP — Border Gateway Protocol. The routing protocol that makes the internet work by exchanging routing information …
TCP — SMUX (SNMP Multiplexing Protocol), defined in RFC 1227. Deprecated in favor of AgentX (RFC 2741).
TCP/UDP — Port 318 is assigned to TSP (Time Stamp Protocol), used for timestamping services in trusted …
TCP — Port 360 is assigned to scoi2odialog, a protocol associated with SCO Unix system dialog management. …
TCP/UDP — Port 383 is assigned to HP OpenView (now Micro Focus Operations Manager), an enterprise network …
TCP/UDP — Port 401 is assigned to UPS monitoring protocol, used by UPS management software such as …
TCP/UDP — Port 427 is assigned to SLP (Service Location Protocol), used for dynamic service discovery on …
UDP — Syslog protocol. Centralized logging standard that collects log messages from routers, switches, servers, and other …
TCP — Port 515 is assigned to LPD/LPR (Line Printer Daemon), the traditional Unix printing protocol defined …
UDP — Port 520 is assigned to RIP (Routing Information Protocol), one of the oldest distance-vector routing …
UDP — Port 521 is assigned to RIPng, the IPv6 adaptation of RIP defined in RFC 2080. …
UDP — Port 525 is assigned to Timed, the BSD time server daemon. Obsolete; replaced by NTP …
UDP — Port 533 is assigned to netwall, used for emergency broadcast messaging across Unix network segments. …
UDP — Port 546 is assigned to DHCPv6 client, used by IPv6 hosts to receive dynamic address …
UDP — Port 547 is assigned to DHCPv6 server. A rogue DHCPv6 server can redirect traffic through …
UDP — Port 550 is assigned to new-rwho, broadcasting info about logged-in users across Unix networks. Privacy …
UDP — Port 560 is assigned to rmonitor, used for remote monitoring of Unix system statistics. Replaced …
UDP — Port 561 is assigned to monitor, for Unix system monitoring data distribution. Completely obsolete.
TCP — Port 565 is assigned to whoami, a simple network identity verification service. Virtually unused in …
TCP/UDP — Sun Microsystems Inter-Process Communication port, used in early Sun RPC and distributed computing environments. It …
TCP — Reliable Syslog over TLS, standardized in RFC 5425. Provides encrypted and authenticated transport for syslog …
UDP — Intelligent Platform Management Interface (IPMI) over LAN, used by Baseboard Management Controllers (BMCs) in servers …
TCP/UDP — Internet Printing Protocol (IPP), used by CUPS and modern printers for network print job submission …
TCP — DHCP Failover Protocol, used between redundant DHCP servers to synchronize lease databases and coordinate address …
UDP — Linux-HA Heartbeat protocol, used by the Heartbeat component for sending keepalive packets between cluster nodes …
TCP — HP Performance Data Collector, used by HP OpenView and HP Operations Manager for collecting and …
TCP — DHCP Failover Protocol secondary port, used alongside port 647 in some DHCP failover implementations for …
TCP — Network Computing Architecture (NCA) local IPC, used in DCE/RPC environments. NCA influenced the design of …
TCP/UDP — Port 1024 marks the start of the registered port range, above the well-known ports (0-1023). …
TCP/UDP — Port 1025 is used by Microsoft Windows RPC services and sometimes by NFS (Network File …
TCP — Port 1099 is the default port for Java Remote Method Invocation (RMI) Registry. Java applications …
TCP/UDP — Port 1270 is used by Microsoft System Center Operations Manager (SCOM), formerly known as Microsoft …
TCP — Port 1311 is the default HTTPS port for Dell OpenManage Server Administrator (OMSA) web interface. …
TCP — Port 1500 is associated with FlexLM and VLSI Technology license managers used for EDA (Electronic …
TCP — Port 1556 is used by Veritas NetBackup for client-server communication between backup agents and the …
TCP — Port 1688 is used by Microsoft Key Management Service (KMS) for volume license activation of …
TCP — Port 1741 is used by CiscoWorks, Cisco's network management platform, for web-based administration. CiscoWorks provides …
TCP/UDP — Port 1761 is used by Novell network services for various communication tasks in legacy Novell …
UDP — Port 1900 is used by Simple Service Discovery Protocol (SSDP), the foundation for Universal Plug …
TCP/UDP — Port 1947 is used by HASP (Hardware Against Software Piracy) License Manager by Gemalto (now …
UDP — Port 1985 is used by Cisco Hot Standby Router Protocol (HSRP) for first-hop redundancy. HSRP …
TCP — Port 1998 is used by Cisco for X.25 service access in IOS-based routers. X.25 is …
UDP — Port 2055 is commonly used for Cisco NetFlow data export, a network protocol for collecting …
UDP — Port 2123 is used by GPRS Tunneling Protocol Control (GTP-C) for mobile network signaling. Mobile …
UDP — Port 2152 is used by GPRS Tunneling Protocol User Plane (GTP-U) for carrying mobile data …
TCP — Port 2375 is the Docker daemon's unencrypted REST API port, used for remote management of …
TCP — Port 2376 is Docker's TLS-encrypted remote API port, providing secure remote management of Docker daemons. …
TCP — Port 2377 is used by Docker Swarm for cluster management communications between manager nodes. Docker …
TCP — Port 2401 is used by CVS (Concurrent Versions System) pserver protocol for remote access to …
TCP — Port 2404 is used by IEC 60870-5-104, a standard protocol for telecontrol equipment in electrical …
TCP — Port 2809 is used by IBM WebSphere Application Server for IIOP (Internet Inter-ORB Protocol) communications, …
TCP — Port 2947 is the default port for gpsd, a GPS daemon that provides a shared …
TCP — Port 3268 is used by Microsoft Active Directory for the Global Catalog service, which provides …
UDP — Port 3544 is used by Teredo, a Microsoft tunneling protocol that provides IPv6 connectivity to …
TCP — Port 3632 is the default port for distcc, a distributed C/C++ compiler that spreads compilation …
TCP — Port 4505 is used by SaltStack (Salt) configuration management system for the publisher channel, through …
TCP — Port 4506 is used by SaltStack for the return channel, through which Salt minions send …
UDP — Port 4789 is the standard IANA-assigned port for VXLAN (Virtual Extensible LAN), a network virtualization …
TCP — Port 4949 is used by Munin, an open-source networked resource monitoring tool that collects metrics …
TCP — Port 5001 is used by Synology DiskStation Manager (DSM) for HTTPS management access, and by …
TCP — Port 5044 is the default port for the Elastic Beats input plugin in Logstash, the …
TCP/UDP — Port 5357 is used by Microsoft Web Services for Devices API (WSDAPI) for device discovery …
TCP — Port 5666 is used by NRPE (Nagios Remote Plugin Executor), an agent that allows Nagios …
TCP — Kubernetes API server. The central management endpoint for Kubernetes clusters, handling all API requests for …
TCP — Syslog over TLS. Encrypted version of the Syslog protocol (port 514) for secure centralized log …
TCP — Port 6556 is used by the Check MK (Checkmk) monitoring agent installed on servers being …
TCP — Port 7547 is used by TR-069 (CPE WAN Management Protocol), a standard for ISPs to …
TCP/UDP — Port 7946 is used by Docker Swarm for control plane communication between swarm nodes, including …
TCP — Port 8089 is the management/REST API port for Splunk Enterprise and Splunk Universal Forwarder. Splunk's …
UDP — Port 8125 is the default UDP port for StatsD, a network daemon that collects and …
TCP — Port 8139 is used by the legacy Puppet configuration management agent to receive catalog information …
TCP — Port 8140 is the default HTTPS port for Puppet Server (Puppet Master), the central configuration …
TCP — Port 8300 is used by HashiCorp Consul for server RPC (Remote Procedure Call) communication. Consul …
TCP — Port 8500 is the default HTTP/HTTPS port for HashiCorp Consul's web UI and REST API. …
TCP — Port 8530 is the default HTTP port for Windows Server Update Services (WSUS), Microsoft's enterprise …
TCP/UDP — Port 8649 is used by Ganglia, a scalable distributed monitoring system designed for high-performance computing …
TCP — Prometheus monitoring system web UI and API. Also used by Cockpit web console for Linux …
TCP — HP JetDirect for network printing and Prometheus Node Exporter for system metrics collection. Two common …
TCP — Port 9389 is used by Active Directory Web Services (ADWS), a Windows service introduced in …
TCP — Port 9600 is the default port for Logstash's monitoring API, which provides metrics and pipeline …
TCP — Port 9696 is used by OpenStack Neutron, the networking component of the OpenStack cloud platform. …
TCP — Used by Zabbix monitoring agent to receive requests from Zabbix server or proxy. The agent …
TCP — Used by Zabbix server or proxy to receive data from Zabbix agents and trappers. This …
TCP — Used by the Kubernetes Kubelet for the HTTPS API that the API server and other …
TCP — Default HTTP port for the Netdata real-time performance monitoring web dashboard. Provides live system metrics …
UDP — The starting destination port used by the traceroute utility to map network paths. UDP packets …
TCP/UDP — The first port in the IANA-registered dynamic and private port range (49152-65535). Operating systems use …
Web (44)
TCP — Gopher protocol. A pre-web internet protocol for distributing, searching, and retrieving documents. Largely replaced by …
TCP — Hypertext Transfer Protocol. The foundation of the World Wide Web, used for transmitting web pages, …
TCP — Port 81 is an unofficial alternate HTTP port used when port 80 is unavailable or …
TCP — Port 280 is assigned to http-mgmt, used for HTTP-based network device management interfaces. Exposing this …
TCP — HTTP over TLS/SSL. The encrypted version of HTTP that secures web traffic using TLS certificates. …
TCP — CCProxy HTTP proxy service, popular in small offices for sharing internet connections. Open instances are …
TCP — Adobe Flash Player cross-domain policy server. Entirely obsolete following Adobe's end-of-life of Flash Player in …
TCP — Samba Web Administration Tool (SWAT), deprecated in Samba 4.0 and removed in 4.1 due to …
TCP — Webpush, an early proprietary web push service predating modern browser push notification infrastructure (Web Push …
TCP — Surf, a lightweight web content delivery protocol proposed as an alternative to HTTP for embedded …
TCP — Port 2077 is used by cPanel & WHM web hosting control panel for WebDAV file …
TCP — cPanel web hosting control panel (HTTP). Provides a web-based interface for managing websites, domains, email …
TCP — cPanel web hosting control panel (HTTPS). Encrypted version of the cPanel management interface for securely …
TCP — Port 2086 is used by cPanel's Web Host Manager (WHM) for HTTP administrative access. Hosting …
TCP — Port 2087 is the secure HTTPS version of cPanel's Web Host Manager (WHM) administrative interface. …
TCP — Common development server port. Used by default by Node.js (Express), Ruby on Rails, Grafana, and …
TCP — Port 3001 is commonly used by Grafana (an open-source monitoring and analytics platform) as an …
TCP — Port 3128 is the default port for Squid, a widely used caching and forwarding HTTP …
TCP — Common alternative HTTPS port. Used by various applications as an alternative TLS port, including Pharos …
TCP — Port 4848 is the default administrative console port for Oracle GlassFish Server, a Java EE …
TCP — Used by UPnP (Universal Plug and Play) for device discovery and by many development frameworks …
TCP — Port 5601 is the default port for Kibana, the visualization and analytics frontend of the …
TCP — Port 6081 is used by Varnish Cache, a high-performance HTTP reverse proxy and caching accelerator, …
TCP — Port 7001 is used by both Apache Cassandra for TLS-encrypted internode communication and Oracle WebLogic …
TCP — Common alternative HTTP port. Used by Django development server, Python http.server, and many web application …
TCP — Port 8006 is the default HTTPS port for the Proxmox Virtual Environment (PVE) web management …
TCP — Port 8008 is an alternate HTTP port used by various applications and is the local …
TCP — Port 8009 is the default port for Apache JServ Protocol (AJP), used to proxy requests …
TCP — Port 8069 is the default HTTP port for Odoo (formerly OpenERP), a comprehensive open-source ERP …
TCP — HTTP proxy and alternative HTTP port. Widely used for web proxies, development servers, application servers …
TCP — Port 8081 is a widely used alternate HTTP port for web servers, development tools, and …
TCP — Port 8090 is the default HTTP port for Atlassian Confluence Server, a widely used team …
TCP — Alternative HTTPS port. Used by Apache Tomcat for HTTPS, Plesk control panel, and many web …
TCP — Port 8880 is used by IBM WebSphere Application Server as an alternate HTTP transport port. …
TCP — Alternative HTTP port commonly used by Jupyter Notebook, XAMPP, and various web-based development and administration …
TCP — Used by PHP-FPM (FastCGI Process Manager) for PHP processing, Portainer for Docker management, and SonarQube …
TCP — Port 9003 is commonly used by Puma, the Ruby web server, and various custom applications …
TCP — Port 9043 is the default HTTPS administrative console port for IBM WebSphere Application Server. It …
TCP — Port 9080 is the default non-HTTPS HTTP transport port for IBM WebSphere Application Server, used …
TCP — Port 9443 is a popular alternate HTTPS port used by various administrative consoles and web …
TCP — Webmin web-based system administration tool. Provides a browser interface for managing Unix/Linux servers, configuring services, …
TCP — An alternate HTTPS port used by various applications and management interfaces when the standard port …
TCP — An alternate HTTPS port used by various network and security appliance management interfaces. Found in …
TCP — An alternate HTTP port historically used by Apache HTTP Server and Apple Mac OS X …