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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Suricata and rules based on MAC address

I'm working on a project to implement SDN in a network. One of my flows is redirecting to the Suricata IDS and the flow works in layer 2 with MAC address. Since I've read that Snort only works in ...
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Are there security reasons for prohibiting universal mac address modification?

Background In a standard 48-bit MAC address, the 7th (most significant) bit specifies whether it is a universally-administered address (UAA) or a locally-administered address (LAA). If it is 0, then ...
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Using MAC Filtering in addition to WPA2 Encryption

I've been trying to find some answers regarding using MAC filtering on my router in addition to having WPA2 encryption but I couldn't find any clear ones. I understand that using MAC filtering solely ...
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Why does my MacBook air have so many MAC addresses, according to my router?

I am investigating some strange issues with my home network, and decided to have a look at my device history. I only have one Macbook Air, but my device history is showing ten, all with different MAC ...
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206 views

How can a VPN circumvent MAC address filtering?

My DSL-WiFI router provides MAC address filtering. This is used for access restrictions, e.g for parental controls to keep certain devices off-line during certain hours. A device on the restriction ...
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MAC Flooding detection

I am interested in the metrics of the attack. Is there any packet rate that can be considered a reasonable threshold to detect this attack from traffic perspective? Or this is completely connected to ...
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1answer
541 views

Smart Lightbulb Using Common IRC port found in NMAP - anything to worry about?

UPDATE: Looking at the product again, I don't think this even has built in Wi-Fi (it uses bluetooth for the connection). I don't know what I am looking for here in Wireshark, but I added the host ...
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1answer
250 views

Unkown ip adress in my lan [duplicate]

While scanning my LAN with Angry IP Scanner, I found an ip @ that I didn't recognise 192.168.1.59: IP Ping Hostname MAC Address MAC Vendor ...
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122 views

Is it possible to track by Bluetooth headphones

Is it possible to find bluetooth device if I have MAC of the device.
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213 views

How can I hide my mac address when using a public wifi? [duplicate]

As a new student of cyber security, I have started to see in real-time how an individual can actually scan and view the mac addresses on a public wifi connection. How can I hide my mac address when ...
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60 views

How do computers store printer presets?

When you connect to a printer on MacOS or Windows, the system stores the printer so you can connect to it later. Does anyone know which criteria is referenced to validate it is the same printer when ...
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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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112 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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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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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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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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728 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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314 views

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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322 views

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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121 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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410 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
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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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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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3k 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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265 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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112 views

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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1k 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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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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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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212 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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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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893 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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Hypothetical: if I wanted to swap my corp laptop for an exact replacement? [closed]

I love my corporate laptop. It's nothing fancy: Lenovo Thinkbook 460s with ram upgraded to max for VM use. That said, I've pounded this thing into the ground and gotten attached to it. I have to ...
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1answer
412 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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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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976 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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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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389 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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129 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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507 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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116 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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74 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 ...