[TriEmbed] TriEmbed Digest, Vol 38, Issue 21

[Rodney Radford]

I understand the distinction of the iptables solution, but was curious
about the difference between the scapy solution and arpanet solution.

Both are just sniffing ARP requests to the local router and neither require
the ability to connect beyond that to Amazon. In my case, I set up my dash
buttons on a separate wireless router that did have connection with Amazon
for the initial set up, but then I disconnected the upstream link so now it
(nor any of the buttons) have upstream links to Amazon.

I will have to investigate the iptables route though, as that is a nice
solution - I just personally hate iptables... ;-)

On Sun, Jul 24, 2016 at 9:47 AM, Alex Davis via TriEmbed <
triembed at triembed.org> wrote:

> iptables would be looking for (and blocking) the button trying to reach
> it’s server at Amazon. The arp solution merely looks for the thing trying
> to get on the network by testing that is has a unique MAC address. Which is
> fine, but it requires additional software, vs. iptables which is definitely
> going to be there on a router.
>
> On Jul 24, 2016, at 9:43 AM, Rodney Radford <ncgadgetry at gmail.com> wrote:
>
> Perhaps I am missing something, but how is the arpalert and the scapy
> solution different - aren't both looking for and reacting to the ARP
> requests as the dash button comes on?
>
>
> On Sun, Jul 24, 2016 at 8:58 AM, Alex Davis via TriEmbed <
> triembed at triembed.org> wrote:
>
>>
>> Re: Amazon Dash buttons
>>
>> Pete,
>>
>> good call on avoiding scapy and arp request sniffing. How about just
>> blocking it with iptables and logging something, then having a daemon
>> process watch the log for the entry, at which point you can run whatever
>> you want. I really don’t like the idea of the buttons phoning home to
>> Amazon anyway.
>>
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