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 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 > > To subscribe, unsubscribe, or to change your mail settings: > > https://lists.phxlinux.org/mailman/listinfo/plug-discuss > > -- > Harold Hartley > 17632 N. 5th Pl > Phoenix, Arizona 85022 > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings: > https://lists.phxlinux.org/mailman/listinfo/plug-discuss