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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How to allow only some specific computer systems to access website? [duplicate]

I need a process to allow only certain computer systems access to the website irrespective of the network they are using. Much like a Licensing system, I can provide a private key or something ...
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76 views

How can I implement authentication in my proxy server?

I have a proxy server, it will have a captive portal page. Users will be required to sign in before gaining access to the internet. So far I am aware of IP and/or MAC address based authentication. ...
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148 views

How can Bank of America tell that I'm logging in on a computer I haven't used with them before?

When you sign into Bank of America for the first time on a computer that you haven't used with them before, they detect this and force you to answer one of your security questions. I think I've seen ...
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Access denied when Get remote MACAddress with powellshell [closed]

I use this code to get MACAddress of an remote win server 2008 computer function Get-MACAddress { param ($strComputer) $colItems = get-wmiobject -class "Win32_NetworkAdapterConfiguration" ...
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1answer
56 views

What general security issues could arise from using UUID version 1 which exposes the MAC address?

I'm coding GENERIC_WEB_SERVICE, which could potentially be running as multiple instances on multiple machines down the line. I'm using UUIDs as identifiers, and haven't settled yet on whether to use ...
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227 views

Will my usb modem send my MAC Address to my ISP

Does anybody know if a USB modem will send my computer MAC address to the internet service provider when I using it? I mean If two computers use the same USB modem will the internet service provider ...
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1answer
257 views

MAC spoof not working?

I have set up our home router to only allow certain MAC addresses to connect. One way to test if the filter is working is to spoof a MAC address not in the list and trying to connect to the router. So ...
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3answers
372 views

unknown MAC address in the LAN, DD-WRT router

I am using a linksys router with DD-WRT firmware with a WiBro internet connection, the ISP uses a hub with multiple user connected to it. The issue is that an unidentified MAC address seems to pop up ...
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359 views

Identifying device based on the MAC address

Suppose we know that MAC address A belongs to a certain device (say an iPhone 5), and MAC address B also belongs to an iPhone 5. If we have a MAC address C which is in between A and B, does this ...
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193 views

How to write Snort rules based on MAC address?

I would like to create Snort rules based on MAC addresses instead of IP addresses. Most devices on the network are DHCP assigned, and I would like to ignore certain traffic (ex: Dropbox) for some ...
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1answer
524 views

How to view which mac addresses are connected to some AP?

I set up an open AP. I know I can view mac addresses of connected users via AP's console (local console). this is not what I need. I use tool like Netstumbler or inSSIDer on my Win 7 machine to see ...
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3answers
607 views

How to setup an internal firewall

I'm hoping to get some advice on a project I've been asked to look after at work. I do all of the IT for a small company that sits inside of a larger corporation. We need to prevent access to ...
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How to bypass restrictive mac address filtering on home network (not malicious)

Background A short sketch of my situation before I formulate my question: I am on a large home network, which is privately administered by a couple of admins. The network consists of a lan and a ...
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887 views

Ban MAC address from website? [duplicate]

Possible Duplicate: Can I block based on Mac Address? I have a situation where I need to ban a MAC address from accessing my webserver. (Windows Web Server 2008 R2). Is this possible? P.S. ...