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Port (computer networking)

Index Port (computer networking)

In computer networking, a port is an endpoint of communication in an operating system, which identifies a specific process or a type of network service running on that system. [1]

48 relations: ARPANET, Computer network, Datagram, Domain Name System, Dynamic Host Configuration Protocol, Email, Email client, Ephemeral port, File descriptor, File Transfer Protocol, Firewall (computing), Header (computing), HTTPS, Hypertext Transfer Protocol, Internet Assigned Numbers Authority, Internet Engineering Task Force, Internet Message Access Protocol, Internet Relay Chat, IP address, Jon Postel, List of IP protocol numbers, List of TCP and UDP port numbers, Multiplexing, Network Control Program, Network News Transfer Protocol, Network packet, Network service, Network socket, Network Time Protocol, Operating system, Port forwarding, Port knocking, Port scanner, Post Office Protocol, Process (computing), Protocol data unit, Secure Shell, Security hacker, Simple Mail Transfer Protocol, Simple Network Management Protocol, Telnet, Transmission Control Protocol, Transport layer, URL, User Datagram Protocol, Vint Cerf, Web browser, World Wide Web.

ARPANET

The Advanced Research Projects Agency Network (ARPANET) was an early packet switching network and the first network to implement the protocol suite TCP/IP.

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Computer network

A computer network, or data network, is a digital telecommunications network which allows nodes to share resources.

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Datagram

A datagram is a basic transfer unit associated with a packet-switched network.

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Domain Name System

The Domain Name System (DNS) is a hierarchical decentralized naming system for computers, services, or other resources connected to the Internet or a private network.

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Dynamic Host Configuration Protocol

The Dynamic Host Configuration Protocol (DHCP) is a network management protocol used on UDP/IP networks whereby a DHCP server dynamically assigns an IP address and other network configuration parameters to each device on a network so they can communicate with other IP networks.

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Email

Electronic mail (email or e-mail) is a method of exchanging messages ("mail") between people using electronic devices.

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Email client

In Internet, an email client, email reader or more formally mail user agent (MUA) is a computer program in the category of groupware environments used to access and manage a user's email.

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Ephemeral port

An ephemeral port is a short-lived transport protocol port for Internet Protocol (IP) communications.

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File descriptor

In Unix and related computer operating systems, a file descriptor (FD, less frequently fildes) is an abstract indicator (handle) used to access a file or other input/output resource, such as a pipe or network socket.

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File Transfer Protocol

The File Transfer Protocol (FTP) is a standard network protocol used for the transfer of computer files between a client and server on a computer network.

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Firewall (computing)

In computing, a firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

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Header (computing)

In information technology, header refers to supplemental data placed at the beginning of a block of data being stored or transmitted.

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HTTPS

HTTP Secure (HTTPS) is an extension of the Hypertext Transfer Protocol (HTTP) for secure communication over a computer network, and is widely used on the Internet.

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Hypertext Transfer Protocol

The Hypertext Transfer Protocol (HTTP) is an application protocol for distributed, collaborative, and hypermedia information systems.

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Internet Assigned Numbers Authority

The Internet Assigned Numbers Authority (IANA) is a function of ICANN, a nonprofit private American corporation that oversees global IP address allocation, autonomous system number allocation, root zone management in the Domain Name System (DNS), media types, and other Internet Protocol-related symbols and Internet numbers.

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Internet Engineering Task Force

The Internet Engineering Task Force (IETF) develops and promotes voluntary Internet standards, in particular the standards that comprise the Internet protocol suite (TCP/IP).

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Internet Message Access Protocol

In computing, the Internet Message Access Protocol (IMAP) is an Internet standard protocol used by email clients to retrieve email messages from a mail server over a TCP/IP connection.

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Internet Relay Chat

Internet Relay Chat (IRC) is an application layer protocol that facilitates communication in the form of text.

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IP address

An Internet Protocol address (IP address) is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.

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Jon Postel

Jonathan Bruce Postel (August 6, 1943 – October 16, 1998) was an American computer scientist who made many significant contributions to the development of the Internet, particularly with respect to standards.

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List of IP protocol numbers

Below are the Assigned Internet Protocol Numbers found in the Protocol field of the IPv4 header and the Next Header field of the IPv6 header.

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List of TCP and UDP port numbers

This is a list of TCP and UDP port numbers used by protocols of the application layer of the Internet protocol suite for the establishment of host-to-host connectivity.

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Multiplexing

In telecommunications and computer networks, multiplexing (sometimes contracted to muxing) is a method by which multiple analog or digital signals are combined into one signal over a shared medium.

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Network Control Program

The Network Control Program (NCP) provided the middle layers of the protocol stack running on host computers of the ARPANET, the predecessor to the modern Internet.

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Network News Transfer Protocol

The Network News Transfer Protocol (NNTP) is an application protocol used for transporting Usenet news articles (netnews) between news servers and for reading and posting articles by end user client applications.

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Network packet

A network packet is a formatted unit of data carried by a packet-switched network.

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Network service

In computer networking, a network service is an application running at the network application layer and above, that provides data storage, manipulation, presentation, communication or other capability which is often implemented using a client-server or peer-to-peer architecture based on application layer network protocols.

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Network socket

A network socket is an internal endpoint for sending or receiving data within a node on a computer network.

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Network Time Protocol

Network Time Protocol (NTP) is a networking protocol for clock synchronization between computer systems over packet-switched, variable-latency data networks.

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

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Port forwarding

In computer networking, port forwarding or port mapping is an application of network address translation (NAT) that redirects a communication request from one address and port number combination to another while the packets are traversing a network gateway, such as a router or firewall.

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Port knocking

In computer networking, port knocking is a method of externally opening ports on a firewall by generating a connection attempt on a set of prespecified closed ports.

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Port scanner

A port scanner is an application designed to probe a server or host for open ports.

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Post Office Protocol

In computing, the Post Office Protocol (POP) is an application-layer Internet standard protocol used by e-mail clients to retrieve e-mail from a server in an Internet Protocol (IP) network.

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Process (computing)

In computing, a process is an instance of a computer program that is being executed.

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Protocol data unit

In telecommunications, a protocol data unit (PDU) is information that is transmitted as a single unit among peer entities of a computer network.

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Secure Shell

Secure Shell (SSH) is a cryptographic network protocol for operating network services securely over an unsecured network.

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Security hacker

A security hacker is someone who seeks to breach defenses and exploit weaknesses in a computer system or network.

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Simple Mail Transfer Protocol

Simple Mail Transfer Protocol (SMTP) is an Internet standard for electronic mail (email) transmission.

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Simple Network Management Protocol

Simple Network Management Protocol (SNMP) is an Internet Standard protocol for collecting and organizing information about managed devices on IP networks and for modifying that information to change device behavior.

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Telnet

Telnet is a protocol used on the Internet or local area network to provide a bidirectional interactive text-oriented communication facility using a virtual terminal connection.

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Transmission Control Protocol

The Transmission Control Protocol (TCP) is one of the main protocols of the Internet protocol suite.

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Transport layer

In computer networking, the transport layer is a conceptual division of methods in the layered architecture of protocols in the network stack in the Internet Protocol Suite and the OSI model.

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URL

A Uniform Resource Locator (URL), colloquially termed a web address, is a reference to a web resource that specifies its location on a computer network and a mechanism for retrieving it.

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User Datagram Protocol

In computer networking, the User Datagram Protocol (UDP) is one of the core members of the Internet protocol suite.

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Vint Cerf

Vinton Gray Cerf ForMemRS, (born June 23, 1943) is an American Internet pioneer, who is recognized as one of "the fathers of the Internet", sharing this title with TCP/IP co-inventor Bob Kahn.

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Web browser

A web browser (commonly referred to as a browser) is a software application for accessing information on the World Wide Web.

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World Wide Web

The World Wide Web (abbreviated WWW or the Web) is an information space where documents and other web resources are identified by Uniform Resource Locators (URLs), interlinked by hypertext links, and accessible via the Internet.

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Redirects here:

Communication port, Computer port (software), IP port, Internet port, Network port, Network ports, Networking port, Port (network), Port number, Port numbering, Port numbers, Port status, TCP Port, TCP and UDP port, TCP and UDP ports, TCP port, Tcp and udp port, Tcp port, UDP ports.

References

[1] https://en.wikipedia.org/wiki/Port_(computer_networking)

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