this post was submitted on 03 Oct 2024
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As everyone else has said this is the out of the box default page that comes with Microsoft IIS web server on windows server.
Though I feel like you'd know if you had a copy of windows server running on your network somewhere—is the IP in your usual network subnet?
I think you can enable IIS, or at least some version of it, under Windows Features for Windows 10 Pro/Edu installs.
But someone can correct me if I'm wrong about that.
You can enable IIS on almost any windows flavor.
https://helpdeskgeek.com/windows-10/install-and-setup-a-website-in-iis-on-windows-10/
Fair point.
As a note, I don't recall all of them saying 'Windows Server' in the top left of that page.
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.
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?
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?
Great Idea! My windows box is off and I can still see it from my phone.
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 -ain 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 https://dnschecker.org/mac-lookup.phpI guess next you could look at taking that MAC and blocking it in your router control panel and see if anything starts complaining
I love the "see who screams" method, my coworkers do not. it's usually instant.
In addition, you might like to do a portscan on that IP address to see if any other ports reaveal something more interesting.
You can run this in cmd prompt, I think, if nmap is available on your windows machine:
nmap -p 1-9999 192.168.1.1IIS can only run on a windows OS, so it must be a windows physical machine or VM connected to your network.
Thanks as you can tell, I’m not an expert in any of this.
I will run this as you described.
I did the nmap based on input from ChatGPT, it had me do a Ping base scan with nmap. It turned up nothing because that IP address did not return a Ping.
This has me really curious.
I’m concerned that the website I opened in Safari on my phone is bringing up a cache on my browser and is not actually live.
I tried to open it from an iPad and it did not load. Iit still loads off my phone even though I have rebooted everything.
In case it helps your troubleshooting, ICMP (ping) is typically disabled by default on Windows.
Thanks. It is not responding to ping.
That is weird. Running development environments maybe? Docker with windows iis?
I have x-code loaded on a Mac, but that is the closest I have to that.
Yeah, that's a company server, specifically for the local network group
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
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 on a small network but it can happen.
Thanks! I did not know DHCP allocation was optional on a home network.
The router might have a page for fixed IP addresses.
It does, and it’s not listed there.
"home" isn't descriptive enough. you can run some VERY powerful, in depth stuff if you were so inclined on a "home" network.
It is more than your average home network. I have a dual WAN router with fiber on each to a different provider. (It is stupid overkill, but my wife and I both work from home and it is important not to be down). I use a pi-hole for ad blocking and unbound for recursive DNS resolution. Most of the devices are wired Ethernet, so I have a bunch of switches and kit to transform coax into fast Ethernet.
I don’t mess with the firewalls, because that seems like there is a big downside to messing about if you get it wrong. That is all vanilla out of the box.
nice. firewalls are easy though, most you can keep vanilla. if you've setup a pihole, configuring a firewall is a breeze. most are all in ones also, so the router/gateway/firewall is all one box, just plug in your modem, then it's a big switch basically with lots of options.
I run a ubiquiti usg pro 4, first gen and have a 24 port ubiquiti switch and access points. I love it. super advanced users will complain about some things, but ultimately it's perfectly fine for me without having to get meraki $tuff. I run a few small game servers, a seedbox and some vms, nothing crazy. it moves about 1 TB / day of data from various torrents and nzbs, soulseek. have a micro Dell PC setup as my DNS and pihole, Plex server thousands of movies/shows.