From: James Prestwood <prestwoj@gmail.com>
To: Grant Erickson <gerickson@nuovations.com>
Cc: Hannes von Haugwitz <hannes@vonhaugwitz.com>, iwd@lists.linux.dev
Subject: Re: IPv6 Privacy Extension support?
Date: Wed, 6 Mar 2024 04:19:41 -0800 [thread overview]
Message-ID: <047c2dfc-ca69-4117-a3a6-66790b9814db@gmail.com> (raw)
In-Reply-To: <BBC776B8-57F8-460D-A1CC-FD3B5A522311@nuovations.com>
Hi,
On 3/4/24 1:40 PM, Grant Erickson wrote:
> On Mar 4, 2024, at 11:32 AM, Hannes von Haugwitz <hannes@vonhaugwitz.com> wrote:
>> On Mon, Mar 04, 2024 at 04:30:27AM -0800, James Prestwood wrote:
>>> I'm not familiar with the privacy extensions specifically, but you can
>>> enable MAC address randomization which should hide the MAC for you. You can
>>> check the man pages for more details but in main.conf something like:
>>>
>>> [Settings]
>>> AddressRandomization=network
>> MAC address randomization hides the physical MAC address but does not
>> prevent device tracking (within the same network). With privacy extension
>> enabled, the IPv6 address is randomly regenerated every few hours.
>>
>> For more details see [RFC_4941].
>>
>> Best regards
>>
>> Hannes
> James:
>
> I believe it’s handled in connman with these APIs:
>
> https://git.kernel.org/pub/scm/network/connman/connman.git/tree/src/ipconfig.c#n528
>
> with the Linux kernel “use_tempaddr” sysctl setting. I assume iwd would have to replicate this infrastructure, or pull it into ELL and share it that way.
Hmm, if this is all that's required then shouldn't this already work if
Hannes is setting "use_tempaddr" externally to IWD? Of course having
this within an IWD profile setting would be nice, but I think there must
be more too it than this right?
Thanks,
James
> Best,
>
> Grant
>
prev parent reply other threads:[~2024-03-06 12:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-01 14:46 IPv6 Privacy Extension support? Hannes von Haugwitz
2024-03-04 12:30 ` James Prestwood
2024-03-04 19:32 ` Hannes von Haugwitz
2024-03-04 21:40 ` Grant Erickson
2024-03-06 12:19 ` James Prestwood [this message]
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