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From: -=Quequero=- (uicMAIL.USA.COM)
Date: Mon Feb 12 2001 - 12:24:06 CST

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    I know that only some old ethernet cards allows to change
    MAC address, generally it's not possible because MAC is
    stamped by the factory, but i found (in a forum) a nice way to
    change it (not permanently):

    from Todd Graham post:
    > reflections# ifconfig eth0
    > eth0 Link encap:10Mbps Ethernet HWaddr 00:A0:24:81:A7:44
    > reflections# ifconfig eth0 down
    > reflections# ifconfig eth0 hw ether 00:A0:24:81:A7:45
    > reflections# ifconfig eth0
    > eth0 Link encap:10Mbps Ethernet HWaddr 00:A0:24:81:A7:45

    this change is not permanent but if you need to elude an authentication
    (or similar) you can change this address befor bringing up your interface.
    But i know that there is also another way, you can dump the eeprom present
    on the card, from this dump you can change the MAC address, the you must
    re-upgrade the eeprom with new mac address :))))))

    -=Quequero=-
    SpP/Member

    Italian University of Cracking - [Founder]
    www.uic-spippolatori.com