A MAC address is a unique identifier for network adapters or network interface cards.

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MAC Address Changing (spoofing) [on hold]

What are some good programs for windows 8 that will change/spoof my MAC address? Also if there is a way to do this within windows that would be nice also. Options to chose an address randomly or based ...
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10answers
12k views

How to generate a valid random MAC Address with bash shell

How can i generate a valid random mac adress with bash. The first half of the adress should always stay same like this 00-60-2F-xx-xx-xx just the x value should be generated random?
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4answers
71k views

How to change the MAC address in Win 8 to spoof a Roku Player through a WiFi splash page?

My Linux laptop died yesterday and now I can't watch TV. Let me explain. I use a Roku Player to stream Netflix shows to my television; and a year or two ago, the Internet Service provided in my ...
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1answer
24 views

avoid sock puppet detection(creating two account) in a site

some sites block your account if they detect a sock puppeting (creating more than one account for one person). Somehow when you create an account**(A)** ,then reinstall your system and create an ...
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3answers
73 views

How to find IP address of a DNS server

I'm a CS student and currently taking a (basic) course in information security. I was given an assignment which required me to analyse a given .pcap file using Wireshark and obtain information on the ...
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1answer
33 views

How to find the MAC address of access point that working on a roaming system

I’m working in very big oil and gas company. We have many many access points in our offices, each access point broadcasts 3 SSID’s. The access points with roaming system. On the back of each access ...
2
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1answer
410 views

Linux software to query the Skyhook database

I'm a Ubuntu user. I'm looking for some software which will query the Skyhook database with the MAC addresses of all the Wi-Fi hotspots in range of my computer and display the results. I'm looking for ...
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1answer
38 views

Send packet (frame) with different 'Sender's MAC'?

I was just studying the Network+ book where it explains the contents of a Frame using blocks to represent a set of bits. Moving onward, it states that the first 'block' is the Recipient's MAC address. ...
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1answer
22 views

NIC MAC address is different than it should be

I have cheap Tenda W150M router that is working as a WLAN card in Client+AP mode. The router MAC Address and WLAN BSSID are xx:xx:xx:xx:xx:68(those are listed in the router admin page). Now on my main ...
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1answer
3k views

Spoof MAC address in Windows 7: Bypass

I am trying to spoof the MAC address of my new Win7 laptop. To do so I tried specifying an alternate value from the Device Manager which took no effect. I also tried from the registry, as per other ...
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2answers
54 views

How to bypass router access control?

For the past month, me and my father have been having a friendly war about the internet in my household. Basically, after 9:30 at night, he turns off my internet, by setting a schedule that stops a ...
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1answer
87 views

Can Amazon or eBay track and identify your PC or router MAC address? [closed]

I read on many blogs about Amazon seller department being able to see seller's MAC address. Is that true? I mean I understand that they can track you with your public IP address or browser ...
91
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13answers
22k views

What is the exact use of a MAC address?

I understand that IP addresses are hierarchical, so that routers throughout the internet know which direction to forward a packet. With MAC addresses, there is no hierarchy, and thus packet forwarding ...
110
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2answers
21k views

How to avoid exposing my MAC address when using IPv6?

On my Macs, each IPv6 address includes the MAC address of a specific computer (not of my router). Sites such as ipv6-test.com not only show it, but even tell me it belongs to an Apple computer. This ...
0
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1answer
40 views

Can I restrict access to the tplink wifi network to anyone except specified set of Mac addresses?

I have the router TP-Link N750 (TL-WDR4300). I'm familiar with the Mac addresses filtering but I need to restrict all user from joining the network not from Internet after joining the network, so ...
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5answers
10k views

Access Methods to a computer Using MAC Address

I have my own wifi network at home & recently when I checked the active clients on the wifi I found out the there is one active client. Router shows the MAC address of this client and I want to ...
16
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4answers
14k views

What happens when two computers on the same network have the same MAC address?

I was reading an article on WEP cracking, which said that filtering MAC addresses was not enough, since there are tools to change what the computer reports as its MAC address. This made me wonder ...
2
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1answer
749 views

How to blacklist a problem Wi-Fi access point by MAC address in Mac OS X

So I am a small Mac-user cog in a larger Windows-based network machine. The network here works fine for most everyone else (on PCs), but I have random timeouts and issues with the Wi-Fi. Luckily, I ...
2
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1answer
5k views

MySQL MAC Address Authentication with freeRadius

I have freeRadius up and running with the mysql extension. Currently I am authenticating devices using their mac-address which is stored in a text file (as per http://wiki.freeradius.org/Mac-Auth). I ...
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1answer
62 views

How to change the mac address (permanently ) or identify a 3G USB dongle?

I've bought two 3G usb dongles and they both have the same mac address. After some research I've found this is a common issue so buying new ones may not fix the issue. I need to identity a specific ...
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2answers
30 views

Vendor or service of this particular MAC Address

I found weird activity reported by my software that suggested multiple login attempts. The software is installed on that person's computer. Don't worry the I am allowed to post the details up here ...
9
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2answers
5k views

Is your MAC address revealed when you hit up a website?

When you hit up a site, such as cnn.com, does the TCP/IP packet contain the MAC address of your network card? Could cnn.com theoretically record my MAC address?
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14answers
17k views

IP Address vs MAC addresses

why do we need ip addresses if mac address is enough to identify the machine???
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0answers
23 views

Spoofing MAC Address - No Connectivity [closed]

I have a Windows Server VM, running on RHEL, whose MAC I have spoofed through Device Manager. The spoofed MAC address appears to have been set properly and is shown when I run 'getmac'. The VM ...
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0answers
52 views

nginx auth_basic for mac address verification

nginx auth_basic for mac address verification Is it done? Do you have examples? thnx location = / { satisfy any; deny all; auth_basic "Restricted"; ...
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2answers
70 views

Blacklisted MAC address for modem

I currently lease a router for High Speed Internet from Comcast. I have just purchased my own router online from Ebay to avoid monthly rental charge. The ebay-purchased router is the same make and ...
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74 views

WiFi Hotspot MAC Address [closed]

Say I have a network consisting of multiple computers where (1) access to the network itself is regulated based on the MAC address and (2) access to the internet is protected by a proxy. Say now I ...
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1answer
117 views

Are the Bluetooth and Wi-Fi MAC addresses assigned in the same address space?

Are the MAC addresses of Wi-Fi, Ethernet and Bluetooth devices assigned in the same address space? Or are MAC address unique irrespective of the physical layer? Is there a possibility of MAC address ...
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0answers
154 views

What does “Decloak: (Mac Address)” mean in Airodump-ng

I have Reaver 1.4 on Ubuntu 14.10 and a Realtek RTL8187SE B/G adapter, and I got a message saying: "Decloak: XX:XX:XX:XX:XX:XX (the X's would be letters and number of the MAC Address). What does this ...
4
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1answer
486 views

Multiple MAC addresses on a single network interface

Since the other question about this (Multiple network interfaces on a single NIC in Windows) only asks about different routing, I'm going to ask this again: Is there any way to create multiple ...
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0answers
16 views

Does my router broadcast the original WAN MAC address when rebooting?

I have a cloned WAN MAC address to connect to my ISP, does anyone know if it broadcasts the original router WAN MAC address during the router reboot process?
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3answers
9k views

Why did MAC-Adress Cloning Fix My Router?

I have a Belkin router, and about a year ago, I suddenly lost my internet connectivity from Comcast. The internet worked fine when I plugged it right into my laptop, so I just ignored it. When I ...
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8answers
21k views

How can I get the MAC address from my stolen laptop so the police can trace it?

A week ago my HP Mini 110 was stolen. I reported to the police and they asked me about my Laptop's MAC address, which I don't know or had never heard about before. Is there any way to get the MAC ...
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1answer
719 views

How to limit internet access time per mac address

I want to be able to limit the amount of time some devices can connect to the internet to one hour per day. As an added bonus, I would like to restrict some sites (or categories of sites) per MAC ...
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5answers
1k views

How can I randomize my MAC address on boot on both iOS and Mac OS X?

I would like my MAC addresses on my Mac OS X (iMac) and iOS devices (iPhone, iPad) to be randomized on boot. I have no idea how to generate the random MAC, nor to insert it into the boot process. Any ...
2
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1answer
234 views

How to find the wireless MAC address (aka BSSID) of any wireless access point

I have aircrack-ng 1.2 beta 3 and I wanted to know how I can find the wireless MAC address (aka BSSID) of any wireless access point with aircrack-ng (or any other program). I am currently running ...
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5answers
280 views

Discover MAC address of wired computer

I would like to know the MAC address of a running computer which is directly connected to my own laptop with a wired cable (ethernet to ethernet). It has no DHCP server on it and I don't know its ...
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8answers
26k views

How do I change the MAC address of my network card?

I have a local network in a Windows system where the Admin gives permission to the PCs by their MAC address. But he is on vacations and I have a new PC. How can I change the MAC address of my new PC ...
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37 views

If I want to spoof my wireless router's MAC address for privacy reasons, how should I pick one?

Like the title says: how do I decide which "random" MAC address to assign to a machine in order to hide the real one? Just entering a random one doesn't feel very... scientific. Thanks.
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1answer
102 views

Find MAC address of laptop of stolen laptop

Is there is any way to find MAC address of stolen laptop? I previously use my Facebook and email account on the machine. Can I extract my MAC address from email of Facebook account. Give me technical ...
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0answers
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Where does the OS fetches the MAC address before encapsulating frames?

packet arrives from application->...Network->(IP encapsulation added here as per IP configuration)->goes down to Data Link Layer Here the Framing is Done and SourceMac and Dest Mac is added for LAN ...
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0answers
72 views

Why would someone spoof my MAC address?

well today I updated the version of DD-WRT on my router and started messing around with the WiFi visualizer and noticed that someone is spoofing my routers WLAN MAC address. I know it's trivial to do ...
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2answers
49 views

Can a website tell what device you're using? [duplicate]

If I were to visit a website on different occasions and from different IP addresses but from the same device, could a website potentially tell? If so, would deleting cookies prevent this?
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2answers
2k views

Why does one iPad have two MAC addresses?

Your site frequently answers my questions. This question (and others) is driving me nuts and I apologize because it is so basic. Do you know why there are two MAC addresses in iPad's interface table? ...
2
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0answers
93 views

A Printer that has multiple MAC Addresses?

I have a Lexmark printer that for some reason shows multiple MAC addresses when its connected to a switch. Thats so weird. Anybody had the same problem? How can I solve it and how come it has ...
0
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1answer
49 views

Cisco gear - finding mac address of a device based on Ip address?

Say, I have some devices connected to cisco routers. I want to be able to query an api or something using an IP address of one of the devices, and receive back it's mac address. Is this possible? ...
13
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9answers
2k views

Why are Ethernet/MAC addresses needed?

I don't understand why Ethernet MAC addresses are needed. Can't all computers just be connected to the unified network and use IP addresses to communicate? For example, there is a following mechanism ...
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1answer
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Can I have two MAC addresses which only differ by the “local” bit?

I have two NICs on my PC. One is the built-in wired Ethernet controller, another one is the plugged-in USB-Ethernet gadget. For the latter, the MAC address is auto-generated by the Linux driver. I'd ...
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3answers
2k views

Is personally identifying info on user hardware sent through internet?

I've read here that it's possible for a website to use cross site scripting to pull your router's MAC address without your permission. This can then be used to determine your location through Google ...
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2answers
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What kind of hardware information is accessible for computers on a network?

If a computer is connected to say, your job's network what kind of hardware information can be retrieved. More specifically can an administrator get a list of all the CPU's and there serial ...