On Mon, 19 Oct 2020 13:18:52 +0000 Xianwen Chen (陈贤文) <xianwen.c...@gmail.com> wrote:
> I would like to set a permanent MAC address spoofing for both the > Ethernet and the Wife adapters. ... > After rebooting, I run "ip addr" to check MAC addresses. The > Ethernet's MAC address is changed, but not the WiFi adapter. Not all Ethernet or WiFi adapters are capable of changing MAC addresses. Back in the early days, all MAC addresses were hard coded because that was simpler for manufacturers. It also meant that all MAC addresses were unique, so some manufacturers used the MAC address as a serial number for their cards. It also meant that you would never have a collision, two cards using the same MAC address on the same subnet. Now many of them can change MAC addresses. I notice that my iPhone under iOS 14 does so routinely (unless told not to) as an anti-tracking ruse. A down side of this capability is that a malicious actor could use the capability to spoof another device. -- Does anybody read signatures any more? https://charlescurley.com https://charlescurley.com/blog/
