how many ports are there in networking
Port (computer networking)
Of the thousands of enumerated ports, about 250 well-known ports are reserved by convention to identify specific service types on a host.
Port (computer networking) Transmission Control Protocol Network address translation History of the Internet Internet protocol suite Domain Name System Simple Mail Transfer Protocol Internet Transport Layer Security HTTP User Datagram Protocol Network socket IPv6 Hypertext Transfer Protocol Computer network Denial-of-service attack Features new to Windows XP Packet switching Communication protocol Internet Protocol version 4 Windows Vista networking technologies IP address World Wide Web Dynamic Host Configuration Protocol IPv6 address Comparison of user features of messaging platforms Protocol Wars ARPANET RTP-MIDI Berkeley sockets Email Operating system Port forwarding OSI model AppleTalk Session Initiation Protocol Zero-configuration networking Port Control Protocol File Transfer Protocol HTTP cookie Voice over IP Email client Port scanner Telecommunications Transport layer Proxy server Acorn Archimedes IEEE 802.1aq WHOIS Bluetooth Net neutrality Internet Assigned Numbers Authority Anti-spam techniques Load balancing (computing) Computer security Tor (network) IPv4 address exhaustion Internet Relay Chat Development communication List of TCP and UDP port numbers Teredo tunneling Idle scan Usenet ONTAP Web server Internet privacy Port knocking Open Shortest Path First IP multicast Universal Plug and Play Wi-Fi Border Gateway Protocol Internet Control Message Protocol MTS system architecture Wake-on-LAN Recursive Internetwork Architecture XMPP Burroughs Large Systems MIDI BitTorrent NACK-Oriented Reliable Multicast Social media Mobile security Streaming media STUN Simple Network Management Protocol Internet of things Domain name Features new to Windows Vista Internet Message Access Protocol List of built-in macOS apps Videotelephony Wireless security SIP extensions for the IP Multimedia Subsystem Point-to-Point Protocol over Ethernet NetBIOS Internet Protocol Smartphone History of personal computers FidoNet Windows 2000 Privacy concerns with social networking services Network Time Protocol Deep packet inspection Multilayer switch UUCP DICOM List of HTTP status codes Internet access Steam (service) Explicit Congestion Notification Lightweight Directory Access Protocol Domain Name System Security Extensions PCI Express HTTPS SoftEther VPN IRCd NetWare Index of Internet-related articles Google Chrome X Window System core protocol QUIC Modbus Bulletin board system Digital enhanced cordless telecommunications Peer-to-peer UniPro protocol stack Server Message Block Time-Sensitive Networking Internet in the United Kingdom USB Telnet OS 2200 Real-time Transport Protocol Information security Xerox Network Systems Text messaging Windows Vista Luftnachrichten Abteilung 350 WebSocket Secure Shell Tunneling protocol AMPRNet Firefox version history Linux kernel IPsec Novell X.25 Twitter Instant messaging Internet Standard Netfilter Kernel (operating system) Satellite Internet access Android (operating system) Norton Internet Security SMS File system Telegram (software) Post Office Protocol SERCOS III Unix security Remote Desktop Services TCP reset attack Glossary of baseball terms Santa Cruz Operation Kubernetes Internet censorship in China Quality of service Email address MAC address Networked advocacy IBM 3270 Reliability (computer networking) H.323 BASIC interpreter Internet security Unified Extensible Firmware Interface History of email IPv6 transition mechanism NetBIOS over TCP/IP Timeline of United States inventions (1946–1991) PHP Technical features new to Windows Vista European Union law Prestel E-government in Europe NetFlow National Security Agency HDMI X Window System protocols and architecture Acorn Electron IPv6 packet Modem General der Nachrichtenaufklärung Windows 10 Multiprotocol Label Switching Facebook MIME HCL Notes Comparison of file transfer protocols X Window System Multipath TCP UEFI Software-defined networking History of the World Wide Web Features new to Windows 7 Direct Client-to-Client ISCSI 2010s global surveillance disclosures Internet Protocol television Trivial File Transfer Protocol Router (computing) Microsoft SQL Server C (programming language) IEEE 802.11 Botnet RISC-V OpenVPN WhatsApp C++11 History of broadcasting in Australia Tartan Real-Time Messaging Protocol Unicode Common Object Request Broker Architecture Address Resolution Protocol Email authentication IOS Firefox Ethnomusicology List of Supernatural and The Winchesters characters CP/M Skype JavaScript SOCKS Wikipedia Educational technology Peripheral Component Interconnect Anti-spam techniques (users) List of Supernatural characters South African labour law Packet processing Point-to-Point Protocol Parallel ATA Personal computer DomainKeys Identified Mail Criticism of Facebook Lustre (file system) Keyboard layout History of video games Distributed Data Management Architecture Spanning Tree Protocol Java (software platform) Central processing unit German radio intelligence operations during World War II Dell M1000e Computer Link aggregation Windows Registry C syntax Network File System Serial ATA Computer mouse Contract Computer virus UDP hole punching Push technology Firewall (computing) D-STAR Windows NT 3.1 Client–server model Internet traffic Traceroute Microsoft Data Access Components Command-line interface Net neutrality in the United States I²C Traversal Using Relays around NAT Kodi (software) YouTube Smart grid Database Dynamic DNS Computer terminal Marketing communications Profinet National identification number ASCII FreeBSD Zigbee Comparison of C Sharp and Java National broadband plan Gbcast Features new to Windows 8 Network service Computer program Gopher (protocol) Synchronous optical networking Folding@home Common Lisp Point of sale Subnet Burroughs MCP History of Australia SCADA Ransomware Solid-state drive Server Name Indication Geographic information system Telehealth Television in the United States Virtual LAN Ephemeral port Intel Pointer (computer programming) X86 Plan 9 from Bell Labs Diameter (protocol) Freenet CAN bus ARM architecture family Ethernet Voicemail Classless Inter-Domain Routing Microsoft Windows URL redirection Next Generation Air Transportation System SD card Named data networking Smart card Russian interference in the 2016 United States elections Application delivery network Microsoft Office OpenSSH Gnutella MacOS Layer 2 Tunneling Protocol CPU cache International Space Station DECserver Television Character Generator Protocol IBM TPNS Home computer Commodore 64 peripherals Internet forum Microsoft Windows version history Intel Active Management Technology Social networking service United Kingdom labour law Network congestion TCP offload engine Nintendo Switch Funkabwehr MediaWiki Microkernel Windows 8 MSN TV WikiLeaks VLAN Zilog Z80 Timeline of global surveillance disclosures (2013–present) Short Message Peer-to-Peer ICANN Windows 98 FTPS OpenVMS BlackBerry Network topology Inetd Econet UMTS ANTIC Open energy system models Distributed file system for cloud IEEE 1394 Xbox One TCP congestion control History of Eglin Air Force Base MVS Push email OpenID GPRS Tunnelling Protocol CICS Extensible Authentication Protocol Active Directory UDP-Lite Internetwork Packet Exchange Steele dossier Protocol data unit Design of the FAT file system TRS-80 E-government X86 assembly language DisplayPort Direct Rendering Manager Email spam Cheating in online games Antenna tuner Parallel computing Emergency communication system Gab (social network) Booting X86-64 Digital preservation Bootstrap Protocol SATA United States Postal Service Online advertising UDP-based Data Transfer Protocol Enhanced Interior Gateway Routing Protocol OpenBSD X.509 ISO/IEC 2022 United Kingdom constitutional law History of telecommunication Social software Commodore 64 Fortran 95 language features Remote Desktop Protocol Automatic identification system Link layer security Timeline of computer viruses and worms List of Google April Fools' Day jokes SMTPS Microsoft SCO Group Certificate authority Captive portal Measuring network throughput List of Dutch inventions and innovations Technological and industrial history of 21st-century Canada Millennials Malware Global Positioning System Royalty payment Btrieve PNG PARC Universal Packet History of radar Augmented reality Bandwidth throttling Economic history of the United States Packet loss Session (computer science) Automated teller machine Stop Online Piracy Act Banyan VINES Technological and industrial history of 20th-century Canada Patriot Act Security and safety features new to Windows Vista History of free and open-source software United Russia Hard disk drive USB flash drive Cloud computing Gmail Simulation Password Architecture of Windows NT Windows XP Network packet Heartbleed Attempts to overturn the 2020 United States presidential election Constructive set theory Fake news XMODEM Go (programming language) JPEG IMS security API List of SIP response codes Mach (kernel) History of computing hardware Digital Equipment Corporation NX technology Floating-point arithmetic Serial port QR code IBM 1130 Spring (operating system) Routing Information Protocol Internet censorship circumvention BIOS Radio-frequency identification Institutional racism Border control Message Passing Interface Video game console History of television Security alarm RapidIO Organized crime Generation Z in the United States Embedded system Memory management unit Targeted advertising Packet radio Fieldbus Component Object Model DMZ (computing) Signal (software) Cyberwarfare Brain–computer interface Hole punching (networking) Blockade of Germany (1939–1945) 1996 California Proposition 218 Application Interface Specification Second Life Dell PowerConnect 44th Medical Brigade Identity document History of IBM Lenovo Software testing History of science and technology in Japan CUPS Hillary Clinton email controversy Endianness Cross-site scripting Swift (programming language) History of the graphical user interface Hillary Clinton's tenure as Secretary of State Phishing Anycast NTFS Integrated Services Digital Network Internet Explorer Systems Network Architecture IP address spoofing Thin client Lag (video games) Sex trafficking Armies in the American Civil War Maximum transmission unit Microprocessor Windows Server 2003 Private network Algorithm PIC microcontrollers Ad blocking Rootkit Fuzzy concept Computing Diving safety PostgreSQL Linux Time formatting and storage bugs Imperial Roman army Flash memory Overview of gun laws by nation Political positions of Hillary Clinton Cryptography Maritime history of California Syslog Video game List of Bluetooth protocols Computer keyboard Bluetooth Low Energy 5G List of Doom ports Trump–Ukraine scandal Protocol ossification Internetworking Network eavesdropping Serial Peripheral Interface Black hole (networking) VM (operating system) Bounce message Handle System Transparent Inter-process Communication List of characters in the Breaking Bad franchise Wireless USB Steganography Asynchronous Transfer Mode Windows Live Messenger Amazon Kindle Spyware PDP-10 History of Microsoft Portmap Routing Service delivery platform Wireless ad hoc network Antivirus software Reception of WikiLeaks Tymnet Ethics of technology Deep learning Skype protocol Mass surveillance D-Bus Oddworld Inhabitants Cable modem Electrical telegraphy in the United Kingdom List of confidence tricks Wireless Application Protocol TI MSP430 Uniform Resource Identifier National Science Foundation Network RS-232 Cache (computing) Computer-supported cooperative work South African contract law Spreadsheet Digital identity PL/I SCTP packet structure Radar in World War II Content delivery network Cloud computing security Scope (computer science) ALOHAnet File format High Efficiency Video Coding T-Mobile US IEEE 1355 Electronic cigarette and e-cigarette liquid marketing Sender Policy Framework Blockchain Entity–attribute–value model History of online games Red Orchestra (espionage) Tarpit (networking) Presidency of Donald Trump PRISM (surveillance program) Hash function Dartmouth BASIC Wang Laboratories Jon Postel Christchurch Transport Board MIPS architecture Proxy auto-config Internet filter Virtual hosting Computer chess Slavery in ancient Rome BlackBerry Limited AmigaOS JTAG Communication Internet censorship in India GPS signals Instagram Advance-fee scam Asynchronous I/O Sockstress Link-local address Foreign internal defense Privacy in file sharing networks Classic Mac OS Logology (science) Shared resource Internet censorship in Australia OS/2 Source attribution Visual Studio The Pirate Bay COBOL Trusted Computing Apple Inc. Pretty Good Privacy Vessel monitoring system Vault 7 List of Facebook features Telecommunications engineering Daniel H. Overmyer MP3 Elevator IP Multimedia Subsystem WinFS Anything In Anything Data General Nova Human rights and encryption DMX512 Timeline of events associated with Anonymous Lubuntu Public key certificate Nuclear program of Iran Localhost PlayStation 3 Web 2.0 SGI Dogfight Instrument Neutral Distributed Interface Vacuum tube Cell (processor) Submarine communications cable Representational state transfer AVR microcontrollers English land law Microsoft Exchange Server Master boot record Criminal procedure in South Africa Spy pixel Reliability engineering E-democracy Windows 7 Dell Tesla Autopilot Laptop Puerto Rico Value-form Cryptocurrency South African Border War URL shortening Comparison of DNS server software Datagram Scheme (programming language) History of Apple Inc. Ubuntu version history Acorn Computers Censorship in China Virtual Network Computing SCSI File Explorer Consistency model Storage area network Programmable logic controller DNS zone transfer 3D printing Software versioning Adolescence Unix Frame Relay Top-level domain List of Bluetooth profiles Cathode-ray tube European Train Control System Native Americans in the United States DNIX Passive optical network Universally unique identifier Data link layer Serialization Education in China List of Pokémon anime characters Economic history of the United Kingdom Mobile technology Israeli occupation of the West Bank Artificial neural network Assembly language High-Level Data Link Control Home network Homebrew (video games) Email forwarding Microsoft mobile services Interrupt Legal aspects of file sharing Itanium Email privacy Commercialization of the Internet IP Pascal Adaptive bitrate streaming Root name server GNUnet GIF NAT traversal with session border controllers Touchpoint USB hardware Pegasus (spyware) Facial recognition system United Kingdom enterprise law Digital camera Opus (audio format) Wayland (protocol) Sport psychology Technological convergence Islamic banking and finance Closed captioning Spacetime MOS Technology 6502 Amiga Reliability of Wikipedia MX record Teletext IPX/SPX Artificial intelligence Light in painting Diving regulator Orthogonal frequency-division multiplexing Windows XP editions Teleprinter PowerShell Spatial cloaking Mobile marketing Social media marketing History of women in the United States Malaysia Airlines Flight 370 Eiffel (programming language) Privacy Virtual team MIL-STD-1553 List of video games notable for negative reception PRISM Picture archiving and communication system Symbian Telephone number mapping History of UK immigration control Responses to the COVID-19 pandemic in April 2020 Management features new to Windows Vista Comparison of Pascal and C Flow-based programming Content delivery network interconnection Psychology MPEG-1 Mojibake Multiple Spanning Tree Protocol Commitment ordering Dynamic random-access memory Reading BBC Micro Privacy concerns regarding Google Self-disclosure Optical disc drive List of important publications in computer science Nim (programming language) History of the British Army postal service News List of US Navy ships sunk or damaged in action during World War II Development of Windows Vista Network neuroscience Objective-C Ethernet frame 6to4 Loudspeaker Web crawler Synchronous dynamic random-access memory Smalltalk Microcom Networking Protocol Windows Search Culture of the United Kingdom Speech synthesis Multiplexing Network function virtualization Apple IIGS Scientology Mobile operating system Hearing aid Addiction Distributed firewall Morse code Paxos (computer science) 64-bit computing Trump administration family separation policy Criticism of Huawei Windows Server 2012 Java (programming language) Diving rebreather Criticism of Amazon Convolutional neural network Berkeley r-commands Cyberattack Thunderbolt (interface) Rust (programming language) Qianzhuang Computer cluster Well-being contributing factors South African criminal law Raspberry Pi Sun Microsystems NTP server misuse and abuse The Dresden Files characters Subprime mortgage crisis Productivity-improving technologies File Allocation Table Windows Mobile Algorithmic bias Power-line communication Hugo W. Koehler Smart meter Anonymous (hacker group) Enhanced 9-1-1 Mass surveillance in the United States Rebreather diving LwIP Electronic data interchange Applications of artificial intelligence Surveillance Type system Windows 9x Microsoft PowerPoint Internet age Videotex Addressing mode GNU General Public License Boolean algebra Chernobyl disaster AOL Personal information management History of YouTube North American Numbering Plan Message-oriented middleware Linux adoption File locking Endangered Species Act of 1973 X.400 Monad (functional programming) Joint Theater Level Simulation RDMA over Converged Ethernet Huawei Internet Watch Foundation Telecommunications (Interception and Access) Amendment (Data Retention) Act 2015 Adobe Flash Video games and Linux IP traceback EtherCAT Mass media Homelessness Universal Character Set characters OpenStack Vari-Lite RSTS/E TRAME Media Gateway Control Protocol Home server Architecture for Control Networks Persistent uniform resource locator Confederate States of America Communications in Iran Motorola 68000 Slavic Native Faith PDF Session layer Circular economy Multicast address Flint water crisis Privacy concerns with Facebook .arpa Microsoft Outlook V850 Chrome OS Automatic number-plate recognition DMARC WeChat Debian MQTT Consumer behaviour Evidence of common descent Edward Snowden COVID-19 misinformation BDSM Torch Computers Tablet computer CANopen Education in India Merit Network Eve Online Nokia N900 Parallel port Kademlia Network Device Interface Financial Information eXchange Pakistan Network throughput Python syntax and semantics Spamming Forth (programming language) Supercapacitor Warez List of screw drives DNS root zone Server (computing) Dell Networking Strategic management Reorganization plan of United States Army MobileMe 2003 invasion of Iraq Code page Gmail interface Image scanner WordPerfect Green computing Lempel–Ziv–Markov chain algorithm Domain Name System blocklist Mail Communication during the September 11 attacks List of Person of Interest characters Spring Framework Quantitative genetics Open scientific data Electricity meter Mirai (malware) Nintendo Wi-Fi Connection Xubuntu ZX Spectrum AC power plugs and sockets Scala (programming language) ZX81 Online community Minecraft Internet censorship and surveillance in Asia Dominican Republic SD-WAN Systems of social stratification China–Pakistan Economic Corridor Multilevel security Camera phone Health informatics Foreign relations of India