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?
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
> > ---------------------------------------------------
> > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org
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>
> --
> Harold Hartley
> 17632 N. 5th Pl
> Phoenix, Arizona 85022
>
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