Quote:
Originally Posted by 2MuchMark
MAC Addresses are known in a LAN (Local Area Network) environment. For example, you can tell your wireless router to accept a connection from your wireless computer by allowing only its MAC address to connect. However this MAC address is not available via a WAN, or Wide Area Network because it is simply not transmitted as a part of any tcp/ip packet.
You can read more at http://en.wikipedia.org/wiki/Mac_address |
I did not go read the article but I do know that a Mac Address can be read through a packet sniffer. So, they may not show in the tcp transaction received, they are part of the tcp packet.