[dns-operations] Embedding MAC address in DNS requests for selective filtering

[Stephane Bortzmeyer]

On Wed, Jan 27, 2016 at 06:01:37PM +0100,
 Ralf Weber <dns at fl1ger.de> wrote 
 a message of 30 lines which said:

> We are in the process of supporting the use of this option through
> open source efforts with dnsmasq at the CPE level and others. We
> would be supportive of standardizing this mechanism.

Before that, did anyone consider the privacy implications? A MAC
address is a personal identifier. It seems extremely dangerous to leak
it to the outside.

Many people think that the NAT in the CPE router "hides" them from
outside, it will no longer be true.