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  2. MAC address - Wikipedia

    en.wikipedia.org/wiki/MAC_address

    MAC addresses are primarily assigned by device manufacturers, and are therefore often referred to as the burned-in address, or as an Ethernet hardware address, hardware address, or physical address. Each address can be stored in the interface hardware, such as its read-only memory , or by a firmware mechanism.

  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. MAC filtering - Wikipedia

    en.wikipedia.org/wiki/MAC_filtering

    MAC addresses are uniquely assigned to each card, so using MAC filtering on a network permits and denies network access to specific devices through the use of blacklists and whitelists. While the restriction of network access through the use of lists is straightforward, an individual person is not identified by a MAC address, rather a device ...

  5. Find and remove unusual activity on your AOL account

    help.aol.com/articles/find-and-remove-unusual...

    • Recent activity - Devices or browsers that recently signed in. • Apps connected to your account - Apps you've given permission to access your info. • Recent account changes - Shows the last 3 password changes. Click show all to see all changes. IP addresses in Recent activity

  6. Organizationally unique identifier - Wikipedia

    en.wikipedia.org/wiki/Organizationally_unique...

    An organizationally unique identifier (OUI) is a 24-bit number that uniquely identifies a vendor, manufacturer, or other organization.. OUIs are purchased from the Institute of Electrical and Electronics (IEEE) Registration Authority by the assignee (IEEE term for the vendor, manufacturer, or other organization).

  7. Forwarding information base - Wikipedia

    en.wikipedia.org/wiki/Forwarding_information_base

    A forwarding information base (FIB), also known as a forwarding table or MAC table, is most commonly used in network bridging, routing, and similar functions to find the proper output network interface controller to which the input interface should forward a packet. It is a dynamic table that maps MAC addresses to ports.

  8. Malicious apps posing as VPNs can turn your device into a ...

    www.aol.com/news/malicious-apps-posing-vpns-turn...

    Get my picks for the best 2025 antivirus protection winners for your Windows, Mac, Android and iOS devices. Fake VPN apps are everywhere, and they’re bad news. They’re not just useless.

  9. Address Resolution Protocol - Wikipedia

    en.wikipedia.org/wiki/Address_Resolution_Protocol

    The user's computer has an IP address stuffed manually into its address table (normally with the arp command with the MAC address taken from a label on the device) The computer sends special packets to the device, typically a ping packet with a non-default size.