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Picking a MAC address for a FreedomBox

Picking a MAC address for a FreedomBox

Posted Dec 6, 2012 6:35 UTC (Thu) by dw (subscriber, #12017)
Parent article: Picking a MAC address for a FreedomBox

s/sending a DNS query to the MAC address/sending an ARP request to the MAC address/


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Picking a MAC address for a FreedomBox

Posted Dec 6, 2012 21:18 UTC (Thu) by jimparis (subscriber, #38647) [Link]

s/sending a DNS query to the MAC address/sending an ARP request to the MAC address/
Actually, while this LWN sentence was confusingly brief, the original post *was* talking about DNS queries. ARP on the LAN will just get you the LAN IP address. John's original post was suggesting:
  • Get victim's wifi MAC address (which can be correlated with location by one of the companies that surveil this)
  • Connect to the open wifi (which will often let DNS through even if it's a captive portal)
  • Send a DNS request for attacker.com, which tells attacker.com's nameservers the victim's public IP address (if no intermediate DNS servers are used).
Now you've correlated victim's public IP address with location.

Picking a MAC address for a FreedomBox

Posted Dec 8, 2012 15:36 UTC (Sat) by felixfix (subscriber, #242) [Link]

s/John/Jon/g

Picking a MAC address for a FreedomBox

Posted Dec 8, 2012 15:41 UTC (Sat) by felixfix (subscriber, #242) [Link]

Oh geez, it's Jon quoting John. This is what happens when I post before waking up. If there had been only one, I would have not noticed, but when my brain saw a second one, it went off the rails.


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