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Q & A IP & Network · September 11, 2026

Can I change my MAC address?

Yes — most operating systems allow MAC spoofing. macOS: ifconfig en0 ether xx:xx:xx:xx:xx:xx. Linux: ip link set dev eth0 address xx:xx:xx:xx:xx:xx. Windows: adapter properties → Advanced tab. Modern OSes also do this automatically per Wi-Fi network as a privacy feature. Note that some enterprise networks and captive portals may disallow spoofed MACs.

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What Is a MAC Address? Hardware Identifier, OUI, and Privacy Explained
MAC addresses are the physical-layer identifiers that let switches and Wi-Fi access points route Ethernet frames. Every network interface has one, burned in at manufacture. Modern devices randomize MACs to defeat cross-network tracking.
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