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  2. List of TCP and UDP port numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_TCP_and_UDP_port...

    Xerox Network Systems (XNS) Mail. Despite this port being assigned by IANA, the service is meant to work on SPP (ancestor of IPX/SPX), instead of TCP/IP. [36] 61: Reserved: Historically assigned to the NIFTP-Based Mail protocol, [38] but was never documented in the related IEN. [39] The port number entry was removed from IANA's registry on 2017 ...

  3. localhost - Wikipedia

    en.wikipedia.org/wiki/Localhost

    The address 127.0.0.1 is the standard address for IPv4 loopback traffic; the rest are not supported by all operating systems. However, they can be used to set up multiple server applications on the host, all listening on the same port number. In the IPv6 addressing architecture [3] there is only a single address assigned for loopback: ::1. The ...

  4. Port (computer networking) - Wikipedia

    en.wikipedia.org/wiki/Port_(computer_networking)

    In computer networking, a port or port number is a number assigned to uniquely identify a connection endpoint and to direct data to a specific service. At the software level, within an operating system , a port is a logical construct that identifies a specific process or a type of network service .

  5. How To Find Your IP Address, And Why You Should Know It in ...

    www.aol.com/ip-address-why-know-first-211700667.html

    On a Mac: Apple menu > System Preferences > Network > Select either WiFi or Ethernet, depending on your connection > your IP address is displayed in the open window, right beneath the status of ...

  6. Service Location Protocol - Wikipedia

    en.wikipedia.org/wiki/Service_Location_Protocol

    Classic Mac OS and Mac OS X up to version 10.1 used SLP to locate file shares and other services. However, features introduced with Mac OS X (version 10.2 onwards) use Zeroconf. Netware Core Protocol (NCP) clients in a pure IP environment use SLP to locate Novell NetWare and Novell Open Enterprise Server (OES) servers.

  7. .local - Wikipedia

    en.wikipedia.org/wiki/.local

    RFC 6762 was authored by Apple Inc. employees Stuart Cheshire and Marc Krochmal, and Apple's Bonjour zeroconf networking software implements mDNS. [3] That service will automatically resolve the private IP addresses of link-local Macintosh computers running macOS and mobile devices running iOS if .local is appended to their hostnames.

  8. netcat - Wikipedia

    en.wikipedia.org/wiki/Netcat

    netcat (often abbreviated to nc) is a computer networking utility for reading from and writing to network connections using TCP or UDP. The command is designed to be a dependable back-end that can be used directly or easily driven by other programs and scripts. At the same time, it is a feature-rich network debugging and investigation tool ...

  9. Network socket - Wikipedia

    en.wikipedia.org/wiki/Network_socket

    An application can communicate with a remote process by exchanging data with TCP/IP by knowing the combination of protocol type, IP address, and port number. This combination is often known as a socket address. It is the network-facing access handle to the network socket.