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

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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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31 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
116 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
53 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 ...
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1answer
50 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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2answers
67 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
128 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 ...
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1answer
23 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
62 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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1answer
83 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
31 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 ...
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24 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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66 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
89 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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0answers
111 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
150 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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221 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 ...
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17 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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1answer
439 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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39 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
117 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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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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77 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
50 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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1answer
50 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? ...
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1answer
32 views

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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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
32 views

Defaultgateway do not detect MAC-addresses

Today I was experimenting a bit with the user interface of my cisco router that is the default gateway of my LAN-network. I have two computers and a couple of smartphones atached to it trought WIFI ...
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100 views

How do MAC addresses get burned into devices during manufacturing?

I'm interested in the steps necessary to manufacture an IP-capable device - say an Ethernet card. Manufacturing the hardware is pretty straight forward since all of the devices are exactly the same ...
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37 views

Program to monitor network usage and perform system functions accordingly

Is there a program out there that monitors network usage, and then can execute system network functions upon a specific network change. For instance, I would like to monitor the download amount, once ...
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66 views

Synology DS214se - Possible to find MAC addresses of connections?

I need some help to find the hardware addresses of earlier connected computers. Some detailed log file or something Can i do this somehow ?
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1answer
617 views

Multiple mac address connections from the same device

My internet speed dropped from aobut 90Mb/s to 0.5-2Mb/s. Only one computer seemed affected. So I was been looking through the device list on my Linkysys Smart Wi-Fi router and came across something ...
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39 views

Router and Switch MAC Address

There is a MAC address for each router and switch interface. But, is there a MAC address that represents the whole device?
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68 views

MAC spoofing error encountered

I'm somewhat new to Linux (using Ubuntu 14.04), and I'm playing around with MAC address spoofing. I had it working for a few days, to where I could go into the command line and use ifconfig to change ...
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3answers
73 views

What is meant by MAC address “Spoofing”

Why is MAC address Spoofing called spoofing, rather than MAC address changing? If the network sees your MAC address as whatever you spoofed it to, doesn't that practically meant you have completely ...
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1answer
71 views

How Does a Router Map Inbound Traffic to LAN Nodes? [duplicate]

Imagine a home network of several computers connected via router to an ISP. Computer A wants to request a webpage from a remote website, 10.234.12.8. The address is not in its ARP cache, so it ...
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1answer
3k views

How to permanently change (spoof) the MAC address in Kali Linux (Debian)

I use the program 'macchanger' to change MAC address. However, I have to put down an interface (wlan0) and then invoke Macchanger and then bring the interface up again. I would like to have a way I ...
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1answer
46 views

Giving MAC address to the IT dept

If I want to use Public wireless at work place with my iPhone, I must give the phones MAC address to the IT department. Is it recommended to do so? What can they access with the MAC address? All my ...
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1answer
28 views

clarifying mac adress validation using a wireless router

I have access to an ethernet port which requires a mac address validation and the system only allows one value to be registered at any given time. If I use a wireless router and register its mac ...
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2answers
90 views

Can my SSH session be detected by sysadmin?

My friend gets faster internet in my university as he has some research scholar facilities.Our sysadmin has made sure this feature can be only accessed by a few machines with a particular MAC ...
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329 views

Windows 8 Force MAC Address Spoof

Just to make this short, I've tried almost everything I found on Google to spoof my MAC addres (Registry, SMAC, NetworkAdress in Adapter Settings, etc.) and none worked. This is because of something I ...
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1answer
39 views

How can I filter my home network?

I live in an apartment with one roomate. They have a monopoly, as the complex actually has it's own special ISP they offer...and they restrict other, better providers like Verizon, Charter, and so on. ...
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107 views

Spoof MAC without limitation in Windows 8?

I am able to change my MAC to anything in Kali Linux, but not in Windows? It needs to be changed to 50:b7:c3:3d:1c:b6. I tried using SMAC and no luck. I heard there were limits on what I can change it ...
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1answer
74 views

IPV6 and MAC discovery

Is there a way to get the MAC and IPV6 Global link address for the network, just as ARP does with IPV4 in Ubuntu. I tried to retrieve IPV6(Link Local Address) using THC-IPV6 tool. But retrieving MAC ...
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79 views

/etc/ethers is not being read by dnsmasq

I recently configured dnsmasq on Raspbian, and everything was working perfectly except that /etc/ethers wasn't being read (yes, I did uncomment read-ethers and remember to restart dnsmasq) - the ...
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2answers
4k views

How to block the MAC Address in Huawei HG532e wireless router?

I am using a Huawei HG532e wireless router and I would like to block some of the smart phones of some of the workers who are no more working with us. Please help me to do this work as early as ...
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1answer
97 views

Know the MAC address in the network without touching the router

I'm new to network programming and I don't know if this is the right place where to ask. I have a small router with a proprietary control panel (= no openwrt or similar). I'd like to know ...
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1answer
799 views

Why would my router have different MAC addresses for IP and IPv6 transactions?

Today I was using tcpdump and I noticed my computer was having IPv6 traffic with a particular MAC address that I could not match with an IP using nmap or arping. After looking at the tcpdump logs a ...
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1answer
1k views

PPPoE in Linux Mint 16

I use a broadband connection in windows 7 to connect to internet. I use a spoofed MAC id on the same Windows 7 laptop because my internet is MAC binded to my desktop computer. Now I am trying to ...
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1answer
642 views

Use multiple devices with an ISP with captive portal

Here are the facts that will help you understand the scenario: The ISP provides wireless broadband. It gives a device(installed on the roof) from which a LAN wires runs to your computer. The ISP ...