How To Find My Mac Address For My Security Camera
Wi-Fi privacy
MAC address randomization
Apple platforms use a randomized media admission control address (MAC accost) when performing Wi-Fi scans when not associated with a Wi-Fi network. These scans tin be performed to observe and connect to a known Wi-Fi network or to assist Location Services for apps that utilize geofences, such every bit location-based reminders or fixing a location in Apple Maps. Note that Wi-Fi scans that happen while trying to connect to a preferred Wi-Fi network aren't randomized. Wi-Fi MAC address randomization support is bachelor on iPhone 5 or later.
Apple platforms besides utilize a randomized MAC address when conducting enhanced Preferred Network Offload (ePNO) scans when a device isn't associated with a Wi-Fi network or its processor is asleep. ePNO scans are run when a device uses Location Services for apps that use geofences, such as location-based reminders that determine whether the device is near a specific location.
Because a device's MAC address changes when disconnected from a Wi-Fi network, it can't be used to persistently track a device past passive observers of Wi-Fi traffic, even when the device is continued to a cellular network. Apple has informed Wi-Fi manufacturers that iOS and iPadOS Wi-Fi scans apply a randomized MAC address and that neither Apple nor manufacturers can predict these randomized MAC addresses.
iOS 14, iPadOS 14, and watchOS 7 introduce a new Wi-Fi privacy feature: When an iPhone, iPad, iPod touch, or Apple Watch connects to a Wi-Fi network, information technology identifies itself with a unique (random) MAC address per network. This feature can be disabled either by the user or using a new option in the Wi-Fi payload. Nether certain circumstances, the device will fall back to the bodily MAC address.
For more information, encounter the Apple Back up article Use private Wi-Fi addresses in iOS 14, iPadOS fourteen, and watchOS 7.
Wi-Fi frame sequence number randomization
Wi-Fi frames include a sequence number, which is used by the depression-level 802.11 protocol to enable efficient and reliable Wi-Fi communications. Considering these sequence numbers increment on each transmitted frame, they could be used to correlate information transmitted during Wi-Fi scans with other frames transmitted by the same device.
To baby-sit against this, Apple tree devices randomize the sequence numbers whenever a MAC address is changed to a new randomized address. This includes randomizing the sequence numbers for each new scan request that'due south initiated while the device is unassociated. This randomization is supported on the following devices:
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iPhone seven or afterward
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iPad 5th generation or subsequently
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Apple tree TV 4K or subsequently
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Apple Watch serial 3 or later
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iMac Pro (Retina 5K, 27-inch, 2017) or later on
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MacBook Pro (13-inch, 2018) or later
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MacBook Pro (15-inch, 2018) or later
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MacBook Air (Retina, 13-inch, 2018) or afterwards
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Mac mini (2018) or subsequently
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iMac (Retina 4K, 21.v-inch, 2019) or later
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iMac (Retina 5K, 27-inch, 2019) or later
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Mac Pro (2019) or afterwards
Wi-Fi connections
Apple tree generates randomized MAC addresses for the Peer-to-Peer Wi-Fi connections that are used for AirDrop and AirPlay. Randomized addresses are also used for Personal Hotspot in iOS and iPadOS (with a SIM carte) and Internet Sharing in macOS.
New random addresses are generated whenever these network interfaces are started, and unique addresses are independently generated for each interface as needed.
Hidden networks
Wi-Fi networks are identified by their network name, known as a service prepare identifier (SSID). Some Wi-Fi networks are configured to hibernate their SSID, which results in the wireless access point not broadcasting the network'south proper name. These are known as hidden networks. iPhone 6s and later devices automatically find when a network is hidden. If a network is hidden, the iOS or iPadOS device sends a probe with the SSID included in the request—not otherwise. This helps forestall the device from dissemination the name of previously hidden networks a user was connected to, thereby further ensuring privacy.
Source: https://support.apple.com/guide/security/wi-fi-privacy-secb9cb3140c/web
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