On 2008-11-07, Harald Dunkel <[EMAIL PROTECTED]> wrote:
> Peter N. M. Hansteen wrote:
>> Harald Dunkel <[EMAIL PROTECTED]> writes:
>> 
>>> Sorry to wake this thread up again, but this problem is a severe
>>> security risk. IMHO it is unacceptable that a hardware failure on
>>> one NIC of a firewall can put the whole network at risk, just because
>>> the mapping between NICs and interface names gets mixed up, and PF
>>> suddenly treats the Internet as a subnet of the company LAN.
>> 
>> Semi-random reordering of network interfaces would be a severe
>> problem, no doubt.  However, my hazy memory was that reordering would
>> not occur as you describe, but ICBW, please correct me if this has
>> actually been demonstrated to happen.
>> 
>
> I can post 2 dmesg logs of the same machine with the NIC
> names mixed up. Somehow 2 NICs disappeared on a reboot. On
> the next reboot they were back. Attached is the diff.

This isn't entirely unknown with some quad em devices on some motherboards..

Reply via email to