Probe requests still contain standard MAC headers - which would contain destination and sender address fields. The destination address would be set to the broadcast address ('ff:ff:ff:ff:ff:ff') but yes in normal client operation you would expect the client to fill their own address into the sender address field. MAC Address Scanner is the free desktop tool to remotely scan and find MAC Address of all systems on your local network.
Active1 year, 9 months ago
A similar question was answered here for sniffing MAC addresses from clients connected to 802.11 wireless access points. My question is, is it possible to sniff MAC addresses from clients which are currently not connected an access point? For example, does an active WiFi on a smartphone or PC broadcast its MAC address when it is searching for access points, or is it only in receiving mode?
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Captain NormalCaptain Normal
The MAC address is a very important string of characters that your computer depends upon in order to be networked. MAC stands for Media Access Control and represents the true address of a machine on a LAN. The MAC address of an ethernet device is a 6-byte number that is expressed as a 12 digit.
2 Answers
802.11 devices send probe requests to identify if a given network is nearby. Probe requests still contain standard MAC headers - which would contain destination and sender address fields. The destination address would be set to the broadcast address ('ff:ff:ff:ff:ff:ff') but yes in normal client operation you would expect the client to fill their own address into the sender address field.
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Yes! As said by @hector, before connecting to the AP, Wi-Fi devices sends probe requests looking for APs that they 'know' or to declare themselves to the APs around.
You will need a tool to sniff wireless packets (like
airodump-ng
), a card with 'monitor mode' and the rest is easy. You can find good tutorials for that using your favorite search engine.Because of the OSI-model, the physical layer is usually not encrypted so you can get the MAC address and even more information. This makes MAC address filtering not really efficient as means of access restriction.
Nov 11, 2018 Install and load the Analysis ToolPak If the Data Analysis command is unavailable on the Tools menu, you must install and load the Analysis ToolPak. To do this, follow these steps: On the Tools menu, click Add-Ins. Click to select the Analysis ToolPak check box, and then clickOK. How can the answer be improved? Free data analysis tool pack for mac excel. Excel for Mac Prior to 2010. If your version is earlier than 2011, check to see if the command, Data Analysis, is available on the Tools menu in Excel. If the Data Analysis command is unavailable on the Tools menu, then you must install and load it following these steps: On the Tools menu, click Add-Ins. How to find and install Data Analysis ToolPak or Solver for Excel for Mac. The Data Analysis ToolPak and Solver add-ins are not available in all Microsoft Excel for Mac versions. The following table shows which Excel for Mac versions include these add-ons. Yes, starting with Excel for Mac 2011, Service Pack 1 (version 14.1.0) Excel. To perform data analysis on the remainder of the worksheets, recalculate the analysis tool for each worksheet. Windows MacOS Click the File tab, click Options, and then click the Add-Ins category.
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