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

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Does a router have a unique MAC address? Is it detectable by a website? [duplicate]

I found somewhere on the internet that routers also have a MAC address. Is it true? If so, how can I make it undetectable?
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1answer
27 views

How can a website recognise a multiple account usage? [closed]

I would like to discuss which are all the possibilities for a browser game to detect whether a registered user has multiple accounts. With "multiple accounts" is named the practice of one single ...
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20 views

Which MAC addresses are detectable when browsing? [duplicate]

I happen to know that there are different MAC addresses for each device on my network. So, I'm wondering which ones can be tracked by a website when I connect to it.
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37 views

Networking not working due to MAC address in VirtualBox Ubuntu guest?

I have an Ubuntu VirtualBox VM guest under a Windows 10 host. At home I can connect to my wireless network and see the internet if I use bridged adapter, but not NAT. With NAT Ubuntu says I'm ...
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2answers
61 views

How can a WiFi router recognize MAC address change of a connected device?

My teen son and I are playing a hacking game. I've installed an WiFi router with parental controls, MAC filtering, VPN, etc. I block Internet for him, he tries to break out of the cage (for now I'm ...
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2answers
58 views

OS X shows a MAC address different from my router’s [closed]

My router’s hardware MAC address (as indicated on the label on the back) is different from the MAC address I noticed on my MacBook. I had a look at the IPv6 settings and it shows a different router ...
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33 views

Changing MAC address on Virtual Machine

Running linux on virtual box with Windows 10 as a host. I want to edit the mac address on linux and was wondering if a network admin would see the spoofed linux mac or my Windows one? Would I have to ...
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2answers
26 views

Multiple Devices, One Ethernet Jack, MAC Filtering

So, in my college dorm, theres wifi for the students as well as a single ethernet jack. Problem is, this ethernet jack is MAC filtered, and can only allow one mac address to use it at a time. This can ...
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37 views

how can I have my bash script detect mac filtering

I have my own hacking lab with old computers and routers. I hooked up my tp link mr3040 openwrt router via ethernet and have it as its own router on the network. I thought, "if mac filtering is on, ...
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1answer
102 views

wireless adapter mac address changewhen there is no 'Network address' option on 'Advanced' tab

How can I change the wireless adapter mac address when there is no 'Network address' option on 'Advanced' tab. I have followed the steps Device manager-> Network adapters -> properties -> Advanced ...
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29 views

Can not connect to internet after changing locally administered address

I am following this tutorial to change MAC adresses. It works when I do this with windows 10 pro on real hardware. However when I use Windows 10 Pro in a virtual box VM I run into probles. After ...
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1answer
24 views

A bridge builds up its routing table by inspecting incoming packets?

Which of the following is NOT true with respect to a transparent bridge and a router? Both bridge and router selectively forward data packets A bridge uses IP addresses while a router uses MAC ...
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2answers
502 views

Finding MAC addresses of devices previously plugged into a computer

Is it possible to bring up a list of all the MAC Addresses of devices previously plugged into a computer, such as phones and mobile hotspots? I don't need any other information, just the MACs to ...
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57 views

Can't connect after changing my wireless card mac address

I've tried to change my wireless card's mac address but it's not working. I did it using TMACv6 (Technitium), MacMakeUp and the registry by following this tutorial but I always have the same issue(s) ...
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1answer
97 views

how to get the passkey to a wifi network

So, here's my attempt at hacking my home network using wifite: http://i1381.photobucket.com/albums/ah219/theabominablefox/firstHomeWifiAttempt_zpsiwdu16ap.png Yes I do have permission from my own ...
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Router reports different MAC address than iwconfig

The address returned by iwconfig is nearly the same - the first number is off by 2 and the last by 1. Does anyone know why I'm getting a different result depending on where I look? I happen to know ...
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0answers
43 views

Why does ConnMan report my MAC address as all zeros until I restart it?

ConnMan (Connection-Manager) reports my ethernet adapter's MAC address as 00:00:00:00:00:00. However, if I restart the ConnMan service using $ systemctl restart connman.service it subsequently ...
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3answers
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How is uniqueness of MAC addresses enforced?

Again and again I read that devices are uniquely identified by their MAC addresses. But how are MAC addresses determined? (And do they tell us anything about the device which they represent?)
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1answer
106 views

Strange MAC address on Wireshark screen

I trying to see Wi-Fi (802.11) packets through Wireshark. Here's information of my wireless interface: $ ifconfig wlan1 Link encap:Ethernet HWaddr c0:f8:da:21:ce:68 # and so on blahblah ...
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2answers
1k views

Change MAC address of Intel(R) Dual Band Wireless-AC 7260

I tried to follow the instructions here, but my card doesn't seem to have that option. Is there another way to do this?
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1answer
1k views

How to change MAC address on Windows Phone 8.1? [closed]

I did't find any method to change MAC address for Windows Phone devices, unlike the Android devices, so I want to know if there is a way to change my Lumia 525 MAC address.
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1answer
125 views

Find MAC address of a device on the other end of an Ethernet cable

Before anyone points it out, this is a different question to Check MAC address of a device on the other end of an Ethernet cable. I'm interested in an automated way (rather than Wireshark, etc) of ...
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1answer
112 views

What will happen if two computers having same MAC address and same IP address in the network?

What will happen if two computers on the network are having same MAC and IP address? Assume 20 to 25 computers are present in the network and they are accessing the internet through single gateway. Is ...
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Single MAC and IP address used by two computers [duplicate]

What will happen if two computers on the network are having same MAC and IP address? Assume 20 to 25 computers are present in the network and they are accessing the internet through single gateway. Is ...
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1answer
82 views

Configure MAC filter for H5004NK router

I would like to block my neighbor's connection to our WiFi. How do I fill out this form?
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250 views

Hyper-V physical NIC MAC and virtual switch MAC

Can this situation lead to a conflict of MAC addresses? I used before Windows 8.1 and Server 2012 R2 to setup VM environments several times already, but now I'm doing it by hand (meaning Powershell), ...
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1answer
1k views

Monitor Internet Traffic Based on MAC Addresses

I have a limited ADSL connection in my house. I want to monitor how much traffic each device connected to my router is using. I use a D-Link DSL-2730U as router. As far as I know there is no custom ...
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357 views

Get users Mac address if connected to WiFi network (MikroTik)

I would like to log the users Mac address to a database hosted on a web server. I was wondering if there is a variable I can use like for example $mac-address which will replace it with the users mac ...
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3answers
116 views

Why do we need MAC address? [duplicate]

I have read that if we are using NAT, router knows where to send the incoming packets in the local network based on TCP/UDP port information. If this information can be used to uniquely identify each ...
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1answer
53 views

Why is my MAC address invalid?

My macbook has this MAC address : 68:A8:6D:09:2A:D4 This page tells me that its invalid. This page correctly identifies the brand of the mac address. I have a MAC filter for my router and I ...
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48 views

Disabling/Enabling WLAN connection

Question: What is the terminal command behind right clicking on the wireless icon (Ubuntu 15.04) and then unchecking "Enable Wi-Fi" the box? Why am I asking it? macchanger just work for me when I ...
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internet disconnects after cloning MAC in Ubuntu 14.10

Whenever I connect the LAN cable to my new laptop, there is connection, but the web is not accessible due to MAC mismatch (my old laptop's MAC is registered with my ISP). When I spoof the MAC address ...
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1answer
49 views

Old MAC Address on a MacBook Pro

My computer MAC Address has been registered in a specific wired LAN network. But yesterday, I had my laptop repaired and the motherboard was replaced. Therefore, it has a new MAC Address and it cannot ...
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Can not bypass MAC address filtering

I add a white list filter by mistake to my wifi modem router, so I want to change MAC address to that IP. I run this command: ifconfig wlan0 down ifconfig wlan0 hw ether xx:xx:xx:xx:xx:xx ifconfig ...
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1answer
108 views

How do I find the MAC Address of every networking of my notebook in win 8?

I tried getmac command in command prompt. What are those '3' devices of which the MAC Address is represented? I Also Tried this Command: ipconfig /all Now, What are these "5" Mac ...
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3answers
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Knowing the MAC adress of a stolen laptop

Recently my HP 1000 laptop was stolen, is there any way to find its MAC address? I connected my laptop to a PTCL EVO (Pakistan) WiFi USB dongle, but in the device options there is nothing I could ...
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3answers
263 views

MAC addresses for virtual machines

As I understand it, MAC addresses are assigned to every physical device by the manufacturer. By extension, how are MAC addresses assigned to virtual machines - for example if I create a new virtual ...
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1answer
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Is the Modem's MAC Address Public? [duplicate]

Just reading about tracking and security. So far from resources I gather that the MAC address of my machine is known to the router and when the router communicates with the modem the MAC address of ...
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getmac ERROR: Invalid class

When trying to run getmac from the Windows Command Prompt, I am getting ERROR: Invalid class. As a Windows utility, I'm not entirely sure why it's broken or how to go about fixing it. Can anyone ...
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2answers
130 views

Is there any way to change LAN MAC address on Wi-Fi router?

I have a Wi-Fi router which has WLAN MAC address and LAN MAC address. I can spoof WLAN MAC address easily, but can not spoof in the same way on LAN MAC address. How can I spoof the LAN MAC address?
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How to display the mac address of known host by ssh

I want to know the MAC address of a machine that I don't have access to at the moment. However, I have a known_hosts file from ssh with a valid entry, and given that I get warnings about changing MAC ...
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177 views

QEMU-KVM macvtap nic passthrough with which MAC address?

I want to give a host nic to a guest in macvtap/passthrough mode but, which MAC address I've to use for correct frames inter-transmission? The real address (of physical nic), or the virtual one? ...
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2answers
209 views

Prevent traffic to mac address using ebtables

I have an interface on a remote host: 2: eth0: <BROADCAST,MULTICAST,UP,10000> mtu 1500 qdisc pfifo_fast qlen 1000 link/ether 00:05:68:02:68:dd brd ff:ff:ff:ff:ff:ff inet 192.168.3.1/24 ...
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1answer
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Port restrictions and MACs

I have a question regarding connections within a university setting. In my room I have two network points. One for my pc and one for my voip phone. Each network port is restricted to one mac address, ...
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2answers
362 views

Why does internet get disconnected after I change mac in Kali Linux?

I have written this script to change my mac in Kali Linux: ifconfig eth0|grep HWaddr ifconfig eth0 down&&macchanger -r eth0&&ifconfig eth0 up ifconfig eth0|grep HWaddr The problem ...
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2answers
128 views

Virtualize MAC addresses on a single physical network interface

Background: I am working with an application that runs on a host machine that mainly identifies clients via MAC addresses (something that I would not like to change). I am attempting to simulate ...
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1answer
92 views

Windows 10 under VMWare 11 caches MAC address

I have VMWare Workstation 11 and network for VMs configured as NAT. DHCP configured manually so every VM has fixed hostname and IP address. I've installed Windows 10 TP to one of the VMs. Then I ...
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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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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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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 ...