Comment on I found a weird IP address on my network that had transmitted an insanely small amount of data. I put the address in my browser and got this. what the heck am I looking at?

9point6@lemmy.world ⁨4⁩ ⁨weeks⁩ ago

• RestrictedAccount@lemmy.world ⁨4⁩ ⁨weeks⁩ ago

  The only windows box on my network is my company laptop. It is on a different IP address than that one.

  It IS in my normal range, but it is NOT listed on my Router’s DHCP client list.

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  • 9point6@lemmy.world ⁨4⁩ ⁨weeks⁩ ago

    Have you recently installed visual studio or are doing any .NET development? It could possibly be a containerised version of IIS

    If you completely turn off your windows device and try to access the IP from another device does it still resolve?

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    • RestrictedAccount@lemmy.world ⁨4⁩ ⁨weeks⁩ ago

      Great Idea! My windows box is off and I can still see it from my phone.

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      • 9point6@lemmy.world ⁨4⁩ ⁨weeks⁩ ago

        Hmm

        I’d maybe try systematically turning any other devices off you think could potentially have the grunt to run windows server in a container or VM.

        Do you have a Mac/Linux machine handy? If you run arp -a in one terminal and ping the unusual IP in another, that should give you a corresponding MAC address for the device. You can then look up the Mac address and see if it gives you any more info about the device running it—it might not but you never know. You can use something like dnschecker.org/mac-lookup.php

        I guess next you could look at taking that MAC and blocking it in your router control panel and see if anything starts complaining

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  • polygon6121@lemmy.world ⁨4⁩ ⁨weeks⁩ ago

    That is weird. Running development environments maybe? Docker with windows iis?

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    • RestrictedAccount@lemmy.world ⁨4⁩ ⁨weeks⁩ ago

      I have x-code loaded on a Mac, but that is the closest I have to that.

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  • oracleunity@lemmy.world ⁨4⁩ ⁨weeks⁩ ago

    Yeah, that’s a company server, specifically for the local network group

    It IS in my normal range, but it is NOT listed on my Router’s DHCP client list.

    Why would an internal server change IP all the time? DHCP is for silly things like laptops that turn on and off eleventy times a day

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    • Strayce@lemmy.sdf.org ⁨4⁩ ⁨weeks⁩ ago

      Even if it isn’t changing IP, you still want it in your DHCP table so that IP doesn’t accidentally get assigned to something else. It’s unlikely but it can happen.

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    • RestrictedAccount@lemmy.world ⁨4⁩ ⁨weeks⁩ ago

      Thanks! I did not know DHCP allocation was optional on a home network.

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      • JohnnyCanuck@lemmy.ca ⁨4⁩ ⁨weeks⁩ ago

        The router might have a page for fixed IP addresses.

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      • thermal_shock@lemmy.world ⁨4⁩ ⁨weeks⁩ ago

        “home” isn’t descriptive enough. you can run some VERY powerful, in depth stuff if you were so inclined on a “home” network.

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  • mvirts@lemmy.world ⁨4⁩ ⁨weeks⁩ ago

    Any device can decide to set it’s own IP so that’s not too far fetched. Have any IoT crap like a water softener or colorful lights or speakers or cameras?

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    • RestrictedAccount@lemmy.world ⁨4⁩ ⁨weeks⁩ ago

      I have quite a few smart home devices. But the only “crappy IoT things” is an air purifier that is controlled by phone.

      Unfortunately, I bought quite a few T-Link products before the IC revealed that they are dangerous.

      It is worth exploring.

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      • mvirts@lemmy.world ⁨4⁩ ⁨weeks⁩ ago

        Ah I have a TP-link router as well, two actually, and Im not monitoring my home network at all. Your experience makes me think I should!

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• thesystemisdown@lemmy.world ⁨4⁩ ⁨weeks⁩ ago

  You can enable IIS on almost any windows flavor.

  helpdeskgeek.com/…/install-and-setup-a-website-in…

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  • Mjpasta710@midwest.social ⁨4⁩ ⁨weeks⁩ ago

    Fair point.

    As a note, I don’t recall all of them saying ‘Windows Server’ in the top left of that page.

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• circuscritic@lemmy.ca ⁨4⁩ ⁨weeks⁩ ago

  I think you can enable IIS, or at least a version of, under Windows Features for Windows 10 Pro/Edu installs.

  But someone can correct me if I’m wrong about that.

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