Questions tagged [mac-address]

A Media Access Control address (MAC address) is a unique identifier assigned to network interfaces for communications on the physical network segment.

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318 views

How can I avoid getting exposed while travelling to Russia?

UPDATE: There is a similar question, but my question is different because it is very narrow and about a very specific security concern. In short, I used a laptop to make posts on a Russian social ...
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1answer
91 views

MAC/IP address hiding

I am doing some experiments with wireless protocols on ns-3. What I want to ask is how can I hide MAC address/IP address, because I need it for my experiments? Is it possible to use encryption on ...
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1answer
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MAC Spoofing - Keep victim out

I have successfully done a MAC Spoofing Attack on my open (ad-hoc) network using the macchanger tool (OS: Kali linux). I would like to know what are the common techniques to keep the connection alive ...
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1answer
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What type of information does a MAC address provide exactly? [duplicate]

For instance if someone had my MAC address would they have my name and address location or would they just have the name of my device. Also could they track me down by having the MAC address or would ...
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Does a browsers' vpn feature securely modify my ipv6 address?

If I use inbuilt vpn feature of a browser, does it modify my ipv6 address, making me safe as far as my mac address is concerned ? OS - Ubuntu 16.04. Browser - Opera
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How to prevent a DHCP Starvation attack in a wireless network

Is there any way to prevent a DHCP Starvation attack when using a wireless network with anonymous users? Port security cannot be used since maxing the number of clients that can connect on a port ...
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77 views

What information for identification does a WiFi router get from a connecting device (Android)? What information can be spoofed?

When I want my device to connect to a WiFi router and make the router not recognize the device I have to change the MAC and the hostname. Is this right? And what information will also be usually ...
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What if I alter my MAC address to my gateway's MAC address?

Can I listen anyone in the same network? I've tried, but it doesn't work(if I've done it right).I can't see something valuable in wireshark on my laptop.
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How I can get MAC address of devices using passive wifi?

There is a project at the university, there are a lot of mobile phones where the wifi works in passive mode and is not connected to an access point. Is it possible to get the MAC address of these ...
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what exactly we can do with a MAC address? [duplicate]

I have searched a lot about exactly how the MAC address can be useful for hacking and security testing but I didn't find anything. In movies it is like a key to the gate but I didn't find any tutorial ...
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1answer
406 views

NAC bypass with MAC spoofing

I just started my job as a penetration tester. Me and my mentor got to the client's office and our first order of business was to bypass the NAC system. Searching for a printer or other similar ...
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0answers
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How does the “Control Frame Attack” bypass the MAC-Randomization on Smartphones?

In this Study regarding MAC-Randomization of different Smartphone Manufactures on page 15 the so called Control Frame Attack is described. I'm not sure whether I understand this correctly. Are they ...
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Could my pc's mac address be guessed and thereby stored by websites? [duplicate]

If I don't use a vpn, should I disable IPv6 to avoid my pc's mac address be guessed ? While paying online, once I saw a bill that included my IPv6, should I be concerned at all?
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MAC randomization for Bluetooth?

Companies, governments, etc. can track Bluetooth and WiFi network scans passively by looking at a same MAC address over space and time (Bluetooth/WiFi Identity tracking in public spaces - How to ...
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Why are USPS, the Washington Post, Oracle, and MailChimp blocking our home network from accessing their sites?

The problem seems to be that our home network is being blocked from high-profile sites that have really good security measures in place. For example, when I go to the Washington Post's website I get ...
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102 views

Logged into same network of residence, owner knows my Mac address.. what can they see? [closed]

Logged into same network of residence, owner knows my Mac address.. what can they see? They are techy and know my Mac address for my phone and PC. Can they see text message to and from me? My email? ...
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2answers
228 views

Can I see the MAC address of a router on an encrypted Wi-Fi network?

Say that I am within range of a Wi-Fi network that is encrypted using WPA2, but I don't know the password. Is it possible for me to learn the MAC address of the Wi-Fi router that is broadcasting the ...
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2answers
1k views

How does Gmail detect if my email account is accessed from another computer?

How does Gmail detect when my mail is accessed from another computer? Does it keep track of my MAC address to check whether a new device is used? I think it doesn't have anything to do with IP address....
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1answer
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Is it enough to change only the MAC address of a VM to enhance anonimity?

I'm learning a bit about Kali linux, and I heard that it is a good practice to change the MAC address of your Kali VM so that no particular action can be traced to you (at the link level). However, as ...
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1answer
2k views

Use MAC Address to Identify Laptop Model? [closed]

Is it possible to use the first 6 characters (D8:9D:67) of a MAC address to learn the model/version of the device? For example, this MAC address belong to Hewlett Packard. But they manufacture ...
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167 views

why MAC address can not be used as session identifier instead of session ID? [duplicate]

why MAC address can not be used as session identifier instead of session ID? why the physical address (MAC address) cannot be used as a session identifier during the communications between servers ...
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Why do people redact MAC addresses? [duplicate]

What are the security implications of sharing a MAC address online? How important is it really, to redact this information; and why? I see it a lot, and I'm in the habit of doing it myself. 1. ...
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Verify my scenario of Internet infrastructure security [closed]

I have read a bit about Internet infrastructure recently. I have figured out how the IT crimes are easy to cover and quite confident way to perform any attack without traces. I got suprised that is ...
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1answer
783 views

Bypassing blacklisted MAC address filtering (that prevents certain MAC address to access router)

PROBLEM OVERVIEW I have a access to a large WLAN network (in a hostel); where lot of students have access to wifi password. So, to prevent sharing this password to others I used MAC address white-list ...
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1answer
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Can Whatsapp be MAC spoofed if the victim's device isn't on the same local network as the hacker's device?

I realize that MAC addresses are only used to tell different devices apart if they are on the same local network. So, what if they're not? Is MAC spoofing in Whatsapp still possible? Even if the ...
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3answers
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Bypass MAC address internet time filtering? [closed]

My brother disabled my internet access for my devices from 10pm - 6am. The internet on his devices still work 24/7. I am still connected to the WiFi but there is no internet access because he did a ...
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143 views

Can an ISP see hostname of VirtualBox

I know ISP see the hostnames of devices connected to them Does ISP see the hostname of VirtualBox Machines ? Also do they see MAC address of Virtual Machines ?
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2answers
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Am I supposed to find non-wifi devices in 802.11 frames of WPA2 encrypted wifi?

I recently tuned in on my access point to see what data is visible despite encryption. Am I supposed to find MAC addresses of my non-wifi clients in the 802.11 frames and is this part of the protocol ...
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2answers
626 views

Ettercap man in the middle - ARP poison

I am experimenting a bit with Ettercap in my local Wifi Lan. I have a router (R), my pc (P) with Ettercap running on it and my smarthphone (S). In particular am testing the ARP poison MIM attack and ...
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1answer
131 views

Hypothetical: if I wanted to swap my corp laptop for an exact replacement? [closed]

This is a thought problem. Not sure if appropriate for Info Sec or if better suited elsewhere, so I will respect the mod's decisions as far as remediation or removal. I love my corporate laptop. It's ...
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1answer
160 views

Can someone check internet usage using MAC Address [closed]

If I were to briefly connect to a network for like 2 mins would they be able to see everything i've browsed from my home network? If they knew my mac address? Sounds like a stupid question but am not ...
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2answers
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Wireless network solution? WPA2/MAC Filtering problems

In short we have 7 Mobile Casio Scanners that seem to be incapable of holding their Wi-Fi passwords, they sometimes lose them for no apparent reason. We of course, cannot give out the wireless ...
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1answer
730 views

Is obtaining Mac Address illegal? [closed]

Just wondering, in the US, if a retailer or restaurant wants to collect user's data through obtaining mac address, is it illegal?
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1answer
77 views

What are the real world risks of sharing your device and network information with advertisers?

I am trying to decide whether to keep this new fitness tracker that I bought for $70. Great deal - until I found out that I'm paying for it with my personal data. How risky is is to share MAC ...
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1answer
246 views

How can a network admin uniquely identify machines on their network?

My network admin might have a record of my default MAC address tied with some mischievous doings as well as my currently used address that they've likely collected after I started accessing using ...
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1answer
127 views

how can I know MAC ADRESSES connected to a given AP [windows]? [closed]

I think that the question is clear. I want to know the mac adresses of people connected to a certain wireless network. Thank you!
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1answer
466 views

Will ISP see my router MAC address? connection by 4g USB modem

Question is similar to Will my USB modem send my MAC address to my ISP? but not exacly. I have router dwr-116 and usb 4G modem which is connected to this router. Will ISP see dwr-116 mac address? or ...
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1answer
112 views

How to block access from a single computer, other than blocking the IP?

Here is the scenario: I have an application, whose one feature/part is to generate voice calls. I have also provided a (working) demo to generate calls from the website, by inputting your number (...
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1answer
72 views

What motivates wi-fi adapter-manufacturers to not allow MAC address changes in Windows? [closed]

I believe my Windows 10 computer does not allow me to change my wi-fi MAC address (unless I were to write my own firmware for the wi-fi adapter, but this would take lots of reverse- engineering on my ...
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1answer
1k views

Is it possible to Spoof Another Machine's MAC Address on LAN?

Is it possible to Spoof Another Machine's MAC Address on LAN? I know we can spoof mac address of machine that we are currently on, using macchanger or ifconfig wlan0 ether de:ad:be:ef:ca:fe. But I ...
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1answer
149 views

Captive Portal Security Measures

I am currently working on a Captive Portal solution, which can be distributed in an device that has an ethernet and wlan port. In short, I use iptables to restrict access to all devices unless they ...
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1answer
64 views

Mac address of a laptop by ip [closed]

I lost my laptop and I do have ip address which recently accessed. Pls help anyone to trace my MAC address
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2answers
654 views

ARP-spoofing: why does the attacker constantly send ARP replys?

I have understood the basic concept of how arp-spoofing works. However, I am struggling with the details. Why does an attacker have to constantly send out spoofed arp-announcements to the network? ...
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2answers
1k views

Is it possible to trace a MAC address to an individual?

Ethernet cards have a unique MAC address that is assigned during manufacture. If you capture a MAC address, and no other information, can you trace this to an individual? Perhaps the manufacturers ...
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1answer
65 views

What can an attacker know with knowledge of a device's BD_ADDR?

Lots of articles mention the importance of keeping the BD_ADDR secret as knowing it can allow an attacker to do stuff. What can an attacker really do?(Assuming that he has knowledge of the UAP + LAP ...
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2answers
5k views

unknown user on my router

Recently i noticed that there is an unknown user connected to my modem. I tried to block the mac address by accessing router page(192.168.1.1 ,dlink modem) > parent control > macaddress filter > put ...
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1answer
6k views

Get MAC address of client using PHP, Angular js, jQuery/JavaScript [closed]

ipAddress=$_SERVER['REMOTE_ADDR']; $macAddr=false; #run the external command, break output into lines $arp=`arp -a $ipAddress`; $lines=explode("\n", $arp); #look for the output line describing our ...
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How to detect or check if one device is being used in Mac Address Spoofing attack?

How to detect or check if one device is being used in Mac Address Spoofing attack?? We already check the system... Malwarebytes, Windows AV Scans and nothing is detectec.. also there is any kind of ...
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2answers
316 views

Why does my Charter cable modem have a static ARP entry tied to a Department of Defense IP?

I recently was told the username and password to get into my ISP-provided cable modem. It's a Cisco DPQ3925C. Some poking around for unrelated purposes led me to the list of ARP entries. I didn't ...
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1answer
594 views

How to get attacker mac address aireplay-ng

I'm currently working on a WIPS and I would like to know how to obtain the attacking MAC address when he launches a aireplay-ng deauth attack. On wireshark, if the attacker broadcast the deauth ...