how to get mac address of client that browse web site by asp.net mvc c#

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忘了有多久
忘了有多久 2020-11-27 20:18

I\'m trying to get mac address from the client\'s machine that browse my web site, I\'ve been used this:

using System.Management;
class Sample_ManagementClas         


        
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  • 2020-11-27 21:16

    It is usually not possible for a person to get the MAC address of a computer from its IP address alone. These two addresses originate from different sources. Simply stated, a computer's own hardware configuration determines its MAC address while the configuration of the network it is connected to determines its IP address. However, computers connected to the same TCP/IP local network can determine each other's MAC addresses. The technology called ARP - Address Resolution Protocol included with TCP/IP makes it possible. Using ARP, each computer maintains a list of both IP and MAC addresses for each device it has recently communicated with.

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  • 2020-11-27 21:18

    it's unfortunately not possible to reliably get the mac address of the client machine due to firewalls, proxies and ISP generic addresses being given. However, you can make a stab at getting the ip address by using:

    var remoteIpAddress = Request.UserHostAddress;
    

    However, this may or may not actually represent the client machine and is more likely the ISP gateway or some other ip address. It's a well known problem and one that even google have found hard to crack using clientside javascript (the idea here being that you get the actual local ip address via a js library and pass that over to your server function).

    [edit] - might be worth taking a look at the following for inspiration/confirmation of the issue:

    http://www.dotnetfunda.com/forums/thread2088-how-to-get-mac-address-of-client-machine.aspx

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