On Fri, 2024-03-22 at 13:10 -0500, Chris Adams wrote:
> 
> 
> [snip]

> For a lot of "public" wifi networks, it's not even a firewall, it's
> that
> the access points are set to client isolation mode (so the AP only
> allows clients to talk to the gateway).  It's basically an extra
> security layer on their part to keep customer A from causing problems
> for customer B.
> 
> So then you do need your own access point/router.  On newer Android
> devices, you can re-share the wifi with hotspot mode, so don't need
> any
> additional equipment.
> -- 
> Chris Adams <li...@cmadams.net>
> --

Yikes.   I just looked that up. 

https://security.stackexchange.com/questions/16751/wireless-client-isolation-how-does-it-work-and-can-it-be-bypassed

https://medium.com/@dd.identity/wireless-guest-network-client-isolation-under-the-hood-d0698333cbcc

Not something I could get around sitting in a hotel room.  The solution
I mentioned about using port 80 for ssh was something I used when I was
at a conference in DC and the host only allowed http/https traffic to
machines outside the building.  I used it to ssh to a machine that was
outside, so it wasn't like this case of trying to get two machines
behind the firewall together...

billo
--
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