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Questions tagged [mac-address]

Media Access Control Address (MAC Address), a unique identifier assigned to network devices. MAC Addresses are used on most IEEE 802 standards, notably Ethernet

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Strange mac address behavior with Virtual Box on MacBook Pro

MacBook Pro Retina; MacOS 10.14.2 running VBox 6.0.4. VM is Win7. VM net settings Bridged Adapter, en0: WiFi (AirPort), Intel PRO/1000 MT Server (82545EM), Promiscuous Allow All, ...
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1answer
28 views

Lost connection after spoofing MAC address

I've changed the MAC address using $ ifconfig en1 |grep ether ether b2:n7:v8:x6:31:k2 $ openssl rand -hex 6 | sed 's/\(..\)/\1:/g; s/.$//' 69:b5:32:54:75:38 $ sudo ifconfig en1 ether 69:b5:32:54:...
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1answer
35 views

How to find MAC Adress of second system?

I'm on Mac OS X 10.11 El Capitan, but have a second OS on my hard drive: Mac OS 10.6.8 Snow Leopard. I'm resetting my router and am therefore looking for the MAC hardware addresses of my two systems. ...
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1answer
38 views

How to auto paste above return value on command line

I am trying to create a very simple script (.command) that will basically change my mac address.. i do know that the command: openssl rand -hex 6 | sed 's/\(..\)/\1:/g; s/.$//' will return me a ...
3
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1answer
801 views

Can I specify WiFi network AP to connect to using MAC address?

I would like to connect to a specific AP in a mesh network of 12 APs. My Mac automatically connects to the AP with the highest signal strength, but this unit is misconfigured and can't connect to the ...
4
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2answers
4k views

How to permanently change my MAC address in macOS?

In macOS Sierra, for some reasons, I would like to change my MAC address and I would like that this change survive a reboot. How can I do this?
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1answer
99 views

Will changing my MAC address void my warranty or affect any existing programs?

Noobie here 😬 Pretty much what the title says. I have 2016 Macbook Pro (macOS 10.12.3), so, will changing the MAC Address by terminal or by using some program like SpoofMAC void my warranty or ...
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194 views

Using launchd to change MAC address when joining a specific Wi-Fi network

I'm trying to use launchd to solve the above-mentioned. I have a networkchange.plist file as follows: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD ...
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1answer
207 views

Ethernet MAC address on Macbook 12"

I am trying to locate my ethernet MAC address on a Macbook Retina 12" using ifconfig but I can only see en0 which should be my wireless card; it's quite baffling. Any help would be much appreciated.
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1answer
880 views

Get MAC address from a dead phone

I have a 4 years old iPhone 3GS that suddenly stopped working 1 and a alf years ago. It was already out of warranty so I preferred getting a new phone instead of reapiring it. But now I need to get ...
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2answers
834 views

Change MAC address in Yosemite

To change the MAC address I use the common sudo /System/Library/PrivateFrameworks/Apple80211.framework/Resources/airport -z sudo ifconfig en0 ether xx:xx:xx:xx:xx:xx networksetup -detectnewhardware ...
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1answer
4k views

2 connections on personal hotspot

Odd problem here. I just turned on my hotspot and after a few minutes the blue ribbon is claiming that there are 2 connections. I am not at home, and my phone isn't hooked up to my computer. When I ...
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2answers
19k views

Can't change MAC Address in El Capitan

I read the answer to this question and tried to change my Mac's en0 MAC address. When I use ifconfing, it reports the newly set MAC address, but in Network Settings, it still reports the old one. ...
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1answer
78 views

Can I change my MAC address to be the same as my old MacBook so it will stop rejecting my iPod?

I was wondering if I could change my MAC address to be the same as my old MacBook so it will stop rejecting my iPod or trying to force me to erase it? Or is it better to just generate an entirely new ...
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1answer
500 views

MAC Filtering in Internet Sharing

How can I enable MAC Filtering on my MAC OSX 10.9.4? I tried adding <key>allow</key> <array> <string>0:17:43:a3:2d:45</string> </array> to my /etc/bootpd.plist, ...
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2answers
358 views

Getting MAC Address from known network

I lost my old router, and I need to know its MAC address, only info i got is the log of my Mac (Yosemite), i have found that with this command i got a lot of info about the preferred networks (saved ...
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1answer
348 views

iMessage not working after changing MAC address

My iMessage is not working after I have changed my MAC address. I have restored my original MAC address, but it is still not working. My phone is an iPhone 4s, 6.1.3 jailbroken. I changed my DNS, ...
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8answers
82k views

Change MAC address in OS X Yosemite

I usually changed my MAC address with the following commands: # Get a New MAC Address openssl rand -hex 6 | sed 's/\(..\)/\1:/g; s/.$//' # Changing the MAC Address sudo ifconfig en0 ether d4:33:a3:ed:...
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2answers
4k views

Does iOS 8's MAC address randomization give the actual MAC address once connected?

iOS 8 is now implementing MAC address randomization, where it randomizes your MAC address to networks while searching for networks. One article describes it as: One of those features, which is new ...
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0answers
996 views

Automated mass MAC Address and Serial Number collection with NetBoot or NetRestore

I work in an environment that utilizes OS X Server's NetBoot and NetRestore on a daily basis for preparing Macs for resale. I am working on a new, custom image for a customer that has a special ...
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1answer
2k views

Why Find my iPhone application is built in such useless way?

Today I lost my iPhone 3GS And I was trying to locate it using "Find My iPhone" app. But as we know, it rarely helps! I was wondering why is it built in this way and why they didn't use a MAC ...
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2answers
1k views

How to view previous inputted MAC Address for WiFi network

I have a Belkin Router and accidentally changed the MAC Address for the Wireless Area Network. Is there a way to retrieve previous inputted MAC Address using Terminal? I'm looking around system and ...
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1answer
691 views

Spoofing MAC address in a persistent fashion

So I like to set a new, randomly-generated MAC address after every restart using ruby -e 'print ("%02x"%((rand 64)*4|2))+(0..4).inject(""){|s,x|s+":%02x"%(rand 256)} + "\n"' and then copy/pasting ...
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1answer
2k views

Does the Airport Extreme log MAC addresses of devices that attempt to connect?

I recently had a burglar enter my home and take a number of items and I am chasing a long shot in catching him. I am hoping that the burglar had a smartphone that, when he entered the home, attempted ...
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1answer
269 views

Sync contacts with mountain lion mac contact list

How do I sync mountain lion contact list to yahoo contact list?
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1answer
2k views

Block device from accessing the Internet, but not Wi-Fi

I have an Apple Airport and I would like to find out how to configure devices that can access the home network but be blocked from accessing the Internet. I know how to block a device from ...
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2answers
5k views

Thunderbolt Displays' ethernet adapter breaks MacBook DHCP/MAC Address reservations

We have deployed Thunderbolt Displays in my organization, which is almost entirely Mac-based. As you may already know, Thunderbolt Displays have internal Ethernet adapters which is very convenient in ...
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1answer
1k views

A way to change NIC's MAC-address except with CLI ifconfig's “ether” option?

Some ISPs do MAC-address port locking or/and use DHCP to assign IP-addresses to clients' network interfaces. Assuming you don't wanna bother calling them, what are your options then? If ifconfig's is ...