When you detect a Wi-Fi device in your network that you absolutely can not identify.



Usually, yes. In this case however, it doesn't help me one bit. I thought it may be something suddenly using randomized MACs... but that's not it either.

@fribbledom That's funky.

Time to use whitelisted macs? Not perfect but helps against the casual "hacker".

@fribbledom @gudenau I've wondered what the ESP8266 folks, or anyone else with an incredibly popular WiFi chip, would do if/when they run out of MAC addresses. Invent their own OID, or take a shot nobody noticing address re-use.

@fribbledom *runs open wifi*

*sees neighbors forwarding a port to play Minecraft*

*no fucks given*

Az least join and say hi by trolling their builds? ☺️

@RobinSohn @fribbledom Oh no, Minecraft eats my life. I can't play video games because I get hooked at the drop of a hat. I start getting into modding, and then 3 months later I realize I've spent almost every waking hour playing. It'd be fun if someone did do that though!

@fribbledom always makes me skip a heartbeat but then i realize my memory is really poor, kinda like when i put the phone in the other pocket and freak out after i forget about that "revolutionary" change. took me 5 minutes of stressing out to recall, "oh right! the Pi is also connected via wifi."

@fribbledom I've got one unknown wifi device as well.. I've put it on 'pause' instead.

@x2ero @fribbledom Not mine. :) Mine identifies as ASUS Android, can't recall what it could be. But using the hint of looking up vendor via MAC address.. uhm.. I'm starting to suspect my desktop PC actually. I'll see if it changes when I turn off its WiFi, if it is on, heh.

Your fridge is actually online??
Wow. What is the use for it?

@x2ero @fribbledom It isn't, that's why I said not mine. ;) I wouldn't know what the use would be!

@fribbledom Oh sorry, that was just me, I'll be done in just a minute.

*continues to buy hand bones from amazon*


my router allows me to associate MAC to IP of my choice, so I just assign it an IP out of the broadcast, and wait who screams “I cannot connect to internet!!”

@fribbledom at first I would block the MAC and observe the network and your devices. Is one starting to complain?


I've already went down that route. I still couldn't identify it 🤷

@fribbledom could it be a device like a smartwatch that will transfer data over a bluetooth bridge via your phone if wifi fails?

@fribbledom WiFi-signal strength measured from different locations might give a clue. Or a port-scan when the IP is known.

@fribbledom kind of like my colleague answers "whose dev container is this?" is usually "let's shut it down and see who starts cursing"

@lastfuture @fribbledom haha. I revently did such a thing with SSH keys in authorized_keys that I did not recognize.

Took 3 or 4 weeks, but worked 😁

@fribbledom devices in my network I usually forget about at some point: connected body scale, robot vacuum cleaner, old handheld gaming console that somehow switched itself on and into standby

especially the body scale just connects after a weigh-in, so very infrequently

@fribbledom a guy with too much time on hand programmed the mikrotik to route it to a traffic faker service, which responded with random webpages on tcp80, and weird dns on udp53, with occasional educational webpage inserts. Fun to watch the person wildly reloading and reloading. 😈

@fribbledom Unfortunately I can't find now the article "why my wifi doesn't have a password" where the (famous security guy) author explained how the sharing economy helps the world: only thing he did was bandwidth-limiting freeloaders, and considered the risks smaller than universal benefits. Another point of view.

@muesli Been there, not done that ;) At some point I discovered a Windows device on my WiFi, and none of my machines runs Windows. After a good search, I found out it was my work laptop...
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