On Tue, Apr 02, 2024 at 11:20:52PM +0500, ofthecentury wrote:
> I'll take a look at those locations, thanks. It might just be arp
> that's the authenticated client data store from the point of view of
> the wireless interface.

If you really want to debug what's going on I suggest you put another
machine like a laptop into monitor mode and use the -Y flag with tcpdump
to capture what's going on at a frequency.  Beware of beacons, they clutter
up the frequencies.

> I do know German, I'll see if I can get the book, or if I even need it
> after I poke around.

Here is the ISBN along with all my techie books that I was going to donate
away.  Thankfully noone wanted them because I was going to go to college
but didn't have the highschool marks to get accepted at the course I wanted
to take.  http://mainrechner.de/Buecher2024/

> My OpenWrt router got fried by a remote electric directional beam of a
> digital weapon from an apartment across the wall a few years ago. Even
> a simple digital thermometer near the router was getting broken and
> showing weird stuff on display. How can this be legal? We must mandate
> RF detectors in all homes for everyone's electronic device safety and
> personal safety.

Yes radio can get really nasty especially when it's directed with a parabolic
dish or phased array antenna.  I have images in my head, that the military 
has on trucks with huge parabolic dishes.  Those were intended to "zap" civil
unresters and make them disperse.  Whether they are torture or not is not
in my scope, but I understand that when a human can get zapped at 60 feet that
a electronic device can get zapped as well.

I don't know what your laws are where you live, but I tend to agree with that
statement.  Eventually there may be sensors on your cellphone/smartphone, is
what I suspect because I've seen google talks about measuring radioactivity
with geiger counters built into android phones, so it definitely is going
around the heads of implementors.

> I'm 100% cabled at home for a while now too, but trying to see if I
> can make this hostap work in OpenBSD, since it's the golden standard
> for security?
> 
> Thanks again for your help.

No problem, and my pleasure.  I once had this idea to make 3 types of accesses
in my home once.  One would be an open access point (like freifunk maybe),
2nd would be password protected with a QR code displaying the password inside
the apartment on a digital photo picture frame, changing the password daily or
semi-daily.  And finally one for private communications.  They could 
potentially all be on the same hardware but vlan'ed and firewalled to sh*ts,
including IPSEC.  Strangers at the door can use the open access point, friends
inside the apartment can use the encrypted 2nd access point and close friends
such as spouse or girlfriend would be allowed on the highest layer of private
Wifi.  The only problem is getting friends these days is hard for loners like
myself, so there is really no point for me.  But if I had frequent guests and
such I'd want such a system.

I remember years ago OpenBSD devs were suggesting to "just buy a consumer AP".
But times can change.  Maybe in the future some time :P, it's still unwritten.
Since I had wifi gear there was a guy named Bergamini who was very skilled in
writing drivers.  He left though, and since then the wifi stack afaik has been
nurtured mostly by Stefan Sperling and anyone else who has the skill to help
him.  I'm obviously missing some names but these are the people who impressed
me.  Since last week I've been wanting to port OpenBSD to Pine64 Ox64.  

The idea is that we'd let the SoC run two OS's in parallel asynchronously 
since I think the 64-bit C906 core doesn't have access to the Wifi.  Some 
people are lightly helping and I asked them to get familiar with Apache NuttX 
which could run on the 32-bit cores and we'd communicate somehow between 
the OS's (perhaps a mailbox driver or shared memory).  Anyhow I was sorta 
side-tracked by easter weekend, and hope to pick up where I left off by friday.

Anyhow long typing, I'm gonna call it a day and go to sleep.  Later!

-pjp

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