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  2. MAC address - Wikipedia

    en.wikipedia.org/wiki/MAC_address

    A MAC address (short for medium access control address) is a unique identifier assigned to a network interface controller (NIC) for use as a network address in communications within a network segment. This use is common in most IEEE 802 networking technologies, including Ethernet, Wi-Fi, and Bluetooth. Within the Open Systems Interconnection ...

  3. MAC spoofing - Wikipedia

    en.wikipedia.org/wiki/MAC_spoofing

    MAC spoofing is a technique for changing a factory-assigned Media Access Control (MAC) address of a network interface on a networked device. The MAC address that is hard-coded on a network interface controller (NIC) cannot be changed. However, many drivers allow the MAC address to be changed. Additionally, there are tools which can make an ...

  4. Wake-on-LAN - Wikipedia

    en.wikipedia.org/wiki/Wake-on-LAN

    Wake-on-LAN. A physical Wake-on-LAN connector (white object in foreground) featured on the IBM PCI Token-Ring Adapter 2. Wake-on-LAN ( WoL or WOL) is an Ethernet or Token Ring computer networking standard that allows a computer to be turned on or awakened from sleep mode by a network message. It is based upon AMD 's Magic Packet Technology ...

  5. Computer network - Wikipedia

    en.wikipedia.org/wiki/Computer_network

    In Ethernet networks, each NIC has a unique Media Access Control (MAC) address—usually stored in the controller's permanent memory. To avoid address conflicts between network devices, the Institute of Electrical and Electronics Engineers (IEEE) maintains and administers MAC address uniqueness. The size of an Ethernet MAC address is six octets ...

  6. MAC filtering - Wikipedia

    en.wikipedia.org/wiki/MAC_filtering

    MAC filtering. In computer networking, MAC address filtering is a security access control method whereby the MAC address assigned to each network interface controller is used to determine access to the network. MAC addresses are uniquely assigned to each card, so using MAC filtering on a network permits and denies network access to specific ...

  7. Multicast address - Wikipedia

    en.wikipedia.org/wiki/Multicast_address

    Multicast address. A multicast address is a logical identifier for a group of hosts in a computer network that are available to process datagrams or frames intended to be multicast for a designated network service. Multicast addressing can be used in the link layer (layer 2 in the OSI model ), such as Ethernet multicast, and at the internet ...

  8. MAC address anonymization - Wikipedia

    en.wikipedia.org/wiki/MAC_Address_Anonymization

    MAC address anonymization. MAC address anonymization performs a one-way function on a MAC address so that the result may be used in tracking systems for reporting and the general public, while making it nearly impossible to obtain the original MAC address from the result. The idea is that this process allows companies like Google, [1] Apple [2 ...

  9. Address Resolution Protocol - Wikipedia

    en.wikipedia.org/wiki/Address_Resolution_Protocol

    v. t. e. The Address Resolution Protocol ( ARP) is a communication protocol used for discovering the link layer address, such as a MAC address, associated with a given internet layer address, typically an IPv4 address. This mapping is a critical function in the Internet protocol suite.