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Re: Smart TVs

#272762 by jsburger » Thu Jul 30, 2020 9:51 pm

Thank you Ed. That confirms what I thought.

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John & Mary Burger
Eagle's Lair Woodshop
Hooper, UT

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Re: Smart TVs

#272763 by JPG » Thu Jul 30, 2020 10:13 pm

Re blocking at the modem/router, possible by mac address????

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╔═══╗
╟JPG ╢
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Goldie(Bought New SN 377425)/4" jointer/6" beltsander/12" planer/stripsander/bandsaw/powerstation /Scroll saw/Jig saw /Craftsman 10" ras/Craftsman 6" thicknessplaner/ Dayton10"tablesaw(restoredfromneighborstrashpile)/ Mark VII restoration in 'progress'/ 10E(SN E3779) restoration in progress, a 510 on the back burner and a growing pile of items to be eventually returned to useful life. - aka Red Grange

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Re: Smart TVs

#272765 by reible » Fri Jul 31, 2020 12:36 am

A lot of this stuff is router dependent. If I were to want to do this I would watch for the intrusion then assign a fix IP address to the person then use blocking services to block http and see what happens.

Ed

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{Knight of the Shopsmith} [Hero's don't wear capes, they wear dog tags]

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Re: Smart TVs

#272767 by RFGuy » Fri Jul 31, 2020 9:29 am

Every router is different, but mine has the option where you can set rules. Its default was set to "allow all new devices to connect", but I changed it to block new devices from connecting. So after you verify all wired and wireless connections are legitimate, i.e. that they are yours, you can turn on the block mode so that no new devices can connect. It is a bit annoying when I add something new in my house, but this prevents any new device, particularly a foreign one, from connecting to my network.

I used to design IC's (integrated circuits) for multiple wireless technologies (cellular, GPS, WiFi, BT, etc.). One thing to keep in mind is that most radios are a significant battery drain, so there are a multitude of different sleep and deep sleep modes (DSM). When a device is powered "on", it rarely, if ever goes into DSM. However while in sleep mode, it is usually permitted for the radio to power on, see what signals are present and power back down. This is a must in GPS where ephemeris data needs to be updated to minimize the time to first fix (TTFF). Without it, you would have to wait 5-10 minutes for the GPS to figure out where you are before you could navigate anywhere. It is for different reasons, but BT and WiFi similarly have provisions in their protocols where they are allowed to wake up and monitor the radio environment. My point here is just because you have turned off the WiFi switch on the side of your laptop, don't assume that the radios never turn on because most likely the SW and HW are designed for them to turn themselves on. Really DSM and true off (battery unplugged or cord removed) are about the only times that you can guarantee radios are off in electronics today. Good example of this is the iPhone where customers thought airplane mode meant cellular, WiFi, BT, GPS, etc. all turned off, but in reality airplane mode only turns off the cellular modem, leaving the user and the OS free to turn on the other radios.

With regard to a device such as a smart tv connecting to an unsecure WiFi network on its own - Very unlikely any device would direct connect to a network without user control....MOST of the time. Perfect example of an exception is Apple and Google's plan for contact tracing to help in this pandemic...it would have your phone turn its BT on throughout the day and contact other BT devices nearby to see if anyone is COVID-19 positive within BT range of your phone. All without the user being aware of this.

With regard to devices phoning home and/or being exploited for camera spying, etc., it has happened. When all of these devices became smart, e.g. thermostats, doorbells, etc., they did so with low end microcontrollers with limited to no security. This has made them a prime target for hackers. In addition to this you have state level actors like China putting backdoors in devices with their IC's in them. Anyone remember the Clipper chip that our government was pushing before? It has been a few years, but I remember Lenovo getting singled out previously for shipping brand new laptops with Chinese spyware on them. I believe there was a drone maker that got caught with their devices sending some kind of "data" back to servers in China. I have also seen reports that the Ring doorbell has been compromised for a few users. As devices get smarter, oftentimes they will send back data to corporate HQ as part of an analytics program to improve future products...so not all devices phoning home are doing so with ill intent.

While it is unlikely the average person will ever get legitimately hacked, it is possible to fall victim to spyware and/or purchase a compromised electronic device putting you "at risk" without knowing it.

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📶RF Guy

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Re: Smart TVs

#272787 by lahola1 » Sat Aug 01, 2020 1:09 pm

RF Guy, Thanks for that info. Not really worried, but I learned a few things that I did not know.

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SS Mark VII(sn 405025), SSband saw, SS 4" jointer, SS Mark V 1980,
Smithy SuperShop 720, Craftsman RAS, Ridgid TS2412 Table Saw,
Delta 12" planer

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Re: Smart TVs

#272792 by JPG » Sat Aug 01, 2020 3:33 pm

lahola1 wrote:RF Guy, Thanks for that info. Not really worried, but I learned a few things that I did not know.

I think we all did!

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╔═══╗
╟JPG ╢
╚═══╝

Goldie(Bought New SN 377425)/4" jointer/6" beltsander/12" planer/stripsander/bandsaw/powerstation /Scroll saw/Jig saw /Craftsman 10" ras/Craftsman 6" thicknessplaner/ Dayton10"tablesaw(restoredfromneighborstrashpile)/ Mark VII restoration in 'progress'/ 10E(SN E3779) restoration in progress, a 510 on the back burner and a growing pile of items to be eventually returned to useful life. - aka Red Grange

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Re: Smart TVs

#272807 by megank » Sun Aug 02, 2020 7:17 am

wrmnfzy wrote:My tv went out so I had to go get a new one. It cost more to possibly repair the old one than to buy a new one. Aaaahhh our throw away society. The only problem is the tv is smarter than I am. I am far from being electronic illiterate but they sure don’t make it easy. Limited instructions, many references to Emanuals and trying to get other devices from prior tv to mesh with the new tv. That and my wife And I both trying to instruct each other as to how to do what neither one of us has a clue how to do.


A lot of things around us have become "smarter" than us to the point where the very utility is under duress. The only choices we have is either to live without them or to learn the new smart techniques to master them.

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Re: Smart TVs

#272809 by dusty » Sun Aug 02, 2020 7:54 am

megank wrote:
wrmnfzy wrote:My tv went out so I had to go get a new one. It cost more to possibly repair the old one than to buy a new one. Aaaahhh our throw away society. The only problem is the tv is smarter than I am. I am far from being electronic illiterate but they sure don’t make it easy. Limited instructions, many references to Emanuals and trying to get other devices from prior tv to mesh with the new tv. That and my wife And I both trying to instruct each other as to how to do what neither one of us has a clue how to do.


A lot of things around us have become "smarter" than us to the point where the very utility is under duress. The only choices we have is either to live without them or to learn the new smart techniques to master them.


OR: Do as I have learned to do. Maintain a to-do list and when the great grand kids come to visit let them work off the "high tech" items. Works Great

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"Making Sawdust Safely"
Dusty
Sent from my Dell XPS using Firefox.

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Re: Smart TVs

#272852 by robinson46176 » Mon Aug 03, 2020 5:19 pm

I became a computer operator about 1965... Very cutting edge in those days.

Now, some days I like to just pick up a shovel and dig a good hole. Just me, a simple tool and the earth...

I might not even need a hole. :)


.

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--
farmer
Francis Robinson
I did not equip with Shopsmiths in spite of the setups but because of them.
1 1988 - Mark V 510 (bought new), 4 Poly vee 1 1/8th HP Mark V's, Mark VII, 1 Mark V Mini, 1 Frankensmith, 1 10-ER, 1 Mark V Push-me-Pull-me Drillpress, SS bandsaw, belt sander, jointer, jigsaw, shaper attach, mortising attach, TS-3650 Rigid tablesaw, RAS, 6" long bed jointer, Foley/Belsaw Planer/molder/ripsaw, 1" sander, oscillating spindle/belt sander, Scroll saw, Woodmizer sawmill

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Re: Smart TVs

#272853 by jsburger » Mon Aug 03, 2020 5:26 pm

robinson46176 wrote:I became a computer operator about 1965... Very cutting edge in those days.

Now, some days I like to just pick up a shovel and dig a good hole. Just me, a simple tool and the earth...

I might not even need a hole. :)


.


:D :D :D

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John & Mary Burger
Eagle's Lair Woodshop
Hooper, UT

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