Re: [PLUG] Network Security issue

2023-12-04 Thread Dick Steffens
On 12/4/23 20:46, MC_Sequoia wrote: "Suspected threat blocked because of duplicate IP addresses on network." That would seem to imply that it saw multiple MAC addresses with the same IP address. That might happen if your laptop was plugged into a wire for part of the time, and connected by wifi

[PLUG] Resolved: Network Security issue

2023-12-04 Thread Dick Steffens
On 12/4/23 19:18, Russell Senior wrote: "Suspected threat blocked because of duplicate IP addresses on network." That would seem to imply that it saw multiple MAC addresses with the same IP address. That *might* happen if your laptop was plugged into a wire for part of the time, and connected

Re: [PLUG] Network Security issue

2023-12-04 Thread MC_Sequoia
> "Suspected threat blocked because of duplicate IP addresses on network." > > That would seem to imply that it saw multiple MAC addresses with the same > IP address. That might happen if your laptop was plugged into a wire for > part of the time, and connected by wifi for part of the time. Each

Re: [PLUG] Network Security issue

2023-12-04 Thread Russell Senior
"Suspected threat blocked because of duplicate IP addresses on network." That would seem to imply that it saw multiple MAC addresses with the same IP address. That *might* happen if your laptop was plugged into a wire for part of the time, and connected by wifi for part of the time. Each of the

Re: [PLUG] Network Security issue

2023-12-04 Thread Dick Steffens
On 12/4/23 17:14, Russell Senior wrote: I'd make a note of the mac address of the mystery device. Yep. Found it. What is running on the Buffalo router? Is it the vendor firmware or something like OpenWrt? OpenWrt. If you have tools on the Buffalo, you have more options to track the

Re: [PLUG] Network Security issue

2023-12-04 Thread Dick Steffens
On 12/4/23 17:14, Neal wrote: Google MAC address lookup. Should give you the registered mfr if not more, assuming it's legit. That told me it is my Lenovo laptop, which I have listed on my router as a different number. That may have been from several years ago. I'll need to update the list

Re: [PLUG] Network Security issue

2023-12-04 Thread Russell Senior
Completely made up MAC addresses are common these days, particularly on mobile devices like iOS and Android, as a privacy measure. On Mon, Dec 4, 2023 at 5:14 PM Neal wrote: > Google MAC address lookup. Should give you the registered mfr if not more, > assuming it's legit. > > NealS > > On Mon,

Re: [PLUG] Network Security issue

2023-12-04 Thread Russell Senior
I'd make a note of the mac address of the mystery device. What is running on the Buffalo router? Is it the vendor firmware or something like OpenWrt? If you have tools on the Buffalo, you have more options to track the device down. -- Russell Senior russ...@personaltelco.net On Mon, Dec 4,

Re: [PLUG] Network Security issue

2023-12-04 Thread Neal
Google MAC address lookup. Should give you the registered mfr if not more, assuming it's legit. NealS On Mon, Dec 4, 2023 at 5:00 PM Dick Steffens wrote: > My wife has ESET malware protection on her Windows 7 machine. This > afternoon she got this message: > > Suspected threat blocked because

[PLUG] Network Security issue

2023-12-04 Thread Dick Steffens
My wife has ESET malware protection on her Windows 7 machine.  This afternoon she got this message: Suspected threat blocked because of duplicate IP addresses on network. It gave an IP address that sounds familiar, and shows up in my Buffalo router, but only has a ? as a name. I vaguely