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Date:      Sun, 6 Nov 2022 19:48:26 -0700
From:      Dennis Radford <denradford@gmail.com>
To:        emailrob@emailrob.com, questions@freebsd.org
Subject:   Re: --solved-- ; well , mostly ; was: my isp has trouble with its own dhcp assignment
Message-ID:  <2ca5c7d6-6e10-8b1a-f602-e2c3743e8554@gmail.com>
In-Reply-To: <4257bca2-f07a-a29b-847a-b3ba07a7cb8b@risebroadband.net>
References:  <e25c9c9d-9e6a-c349-d04e-4103b1256f24@risebroadband.net> <ec77cabe-4436-a3da-cbb1-367f481413c9@holgerdanske.com> <184d5515-80af-50b3-593e-6bc379b441df@risebroadband.net> <64f6a7dd-5c99-1c07-8b4f-27a3f2ecc9af@holgerdanske.com> <fd24e5ea-9395-e2cc-42a0-d832a5661fab@risebroadband.net> <95dab92e-1f3f-065f-577d-c8ab21dcd577@holgerdanske.com> <4257bca2-f07a-a29b-847a-b3ba07a7cb8b@risebroadband.net>

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On 11/6/2022 7:01 PM, spellberg_robert wrote:
> 22_nov_06_sun 25.55.utc
>
>
> never_the_less , i --do-- have a question .
>
>     is there some kind of security issue w/ nic mac_addresses ?
>
> i have been trying to imagine one .
> if so , then i suspect that
>   it relates to activities , which i do not do .
> this would explain my lack of imagination .
> i do not do lap_tops [ hardware configuration is nearly impossible ] ;
>   i do not do wi_fi [ eavesdropping ] ;
>   i do not do windows [ now , really ; do you have to ask why ? ] .
> please note that
>   i am not against these things , for those who wish them ;
>   different peoples have different ways .
> i have programmed ms_dos ; i have used ms_win ;
>   i have considered lt/wf ; these are not for me .
> make mine a dozen of a several_hundred_char_wide xterm .
>
>
I've not personally heard of a security 'issue' with mac addresses. They 
are simply the 'addresses' used to communicate to the next layer down on 
the network stack.
>
> here is another one .
>
>     regard_less of the answer to the above question ,
>       do other isps do this [ check the mac_addr ] ?
>
I suspect most do. Maintaining a database of approved and active 
modem/gateway devices connecting to their network, associated with their 
respective customers.

--Dennis




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