Re: Ebay port scans your pc on every visit.

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Author: Harold Hartley via PLUG-discuss
Date:  
To: Snyder, Alexander J, Main PLUG discussion list
CC: Harold Hartley
Subject: Re: Ebay port scans your pc on every visit.
Not sure which port they scan to allow them on the inside of the firewall.

On 5/25/20 5:48 PM, Snyder, Alexander J wrote:
> 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
> <
> <mailto: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 <
>     <mailto: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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>
>     -- 
>     Harold Hartley
>     17632 N. 5th Pl
>     Phoenix, Arizona 85022

>
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--
Harold Hartley
17632 N. 5th Pl
Phoenix, Arizona 85022

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