Firefox did away with fingerprinting as well as a few other browsers.

Am 25. May, 2020 schwätzte Snyder, Alexander J via PLUG-discuss so:

moin moin Alexander,

The only outbound ports open without concern are 123(UDP), 53(UDP),
80(TCP), and 443(TCP). All other ports are blocked, outbound to the web, on
my system.

If I read this, this would go around my guards, as they are "piggybacking"
on 443 in and out, right?

Yeah, they'd certainly be sending whatever information they find as a
ruquest to the server on port 443. It looks like normal web traffic
because it is normal web traffic.

There's also html5 gathering info.

https://en.wikipedia.org/wiki/Canvas_fingerprinting

Here's a fun one. At least this one's Open Source ...

https://en.wikipedia.org/wiki/Evercookie

ciao,

der.hans

Thanks,
Alexander

Sent from my Galaxy S10+

On Mon, May 25, 2020, 17:12 Harold Hartley via PLUG-discuss <
plug-discuss@lists.phxlinux.org> wrote:

I'm not sure if anything can be done to stop port scanning of ports.

I'm really not having a big concern since I have 2 firewalls anyway. I
have a firewall on one device and a firewall on my computer. So the only
ports they will see is the one on my first device and not the computer.
At least that's my theory.

On 5/25/20 1:17 AM, Steve Litt via PLUG-discuss wrote:

On Sun, 24 May 2020 20:52:43 -0700
Harold Hartley via PLUG-discuss <plug-discuss@lists.phxlinux.org> wrote:

But I close up ports that doesn't need to be
open in order to make my system safe. You'd be surprised at how many
ports are open that can leave a system open for attacks.

When you say "close up ports", do you mean make sure there's no
executable listening at that port, firewalling that port so nothing can
come in or out, or something else?

SteveT

Steve Litt
May 2020 featured book: Troubleshooting Techniques
      of the Successful Technologist
http://www.troubleshooters.com/techniques
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