What interesting things can I do with my home WiFi network?
I recently learned about LocalSend and was intrigued by how it functioned by only using the WiFi network of the devices. I did not know my LAN had these capabilities.
Now that I've learned about it, I am excited to know if there is anything else I can do with it. Perhaps there could be a way to send prank notifications to all the connected devices, create a private chat room, or have custom LAN parties.
I genuinely do not know anything about how WiFi or LAN in general works in this matter. Is it possible for me to build my own applications that make use of these features? If so, I would love to get a direction on what resources or guides I should be looking for. If not, I would still be happy to use similar pre-built applications.
If you live near a Starbucks, you can buy a cheap router, name its network "Starbucks Public Wifi", make it public with no password, but also not connect it to anything.
People will connect, and get really really mad and Starbucks will be just as confused as the customers.
I had done this for several years but recently I'm running into the issue where my home router won't let me specify a DNS server that is on the same subnet. I dont have multiple networks running at home so I can't make a Pihole work anymore.
Congrats on dipping your toes into networking! Don't let it suck you in too much or you'll end up with a career change.
Plenty of resources out there to learn from, just pick a project and try to implement it. Or just play around with netcat (just 'nc' nowadays).
Look into the TCP/IP stack (or the OSI model, both cover the core concepts) for an overview of how applications talk to each other. This will also help you understand how LocalSend probably works (my guess is broadcasting to your network and seeing what devices are listening on a certain port. Some LAN-enabled games work like this, others aren't as magical and ask you to provide an address and a port).
Those are fun, but they don't work for most sites anymore since pretty much every site has started using https and browsers automatically upgrade to https if it's available.
Pretty sure everyone in the late 90’s and early 2000’s knew some poor kid who was dragged out of class for “hacking” the school network with net send. Send “you got a virus lol” to every computer in the computer lab in 6th grade, and suddenly you have your school computer privileges revoked for “hacking all the computers” until you graduate 6 years later.
At one point it was my job to track down and upgrade old PCs that had been moved by users. To my delight, I found that Net Send was enabled on all the org's devices. I had the bright idea to use it to pop up a message on the affected PCs asking them to call me and provide a location. I copied a script from an old website and modified it to work with a list of hostnames. It, uh, worked - but while I was testing my script I ran it without commenting out the line that sent the message to all devices on the subdomain.
Well, if you have Linux, there's KDE Connect (works on Gnome, too).
My computer sound pauses when I get a call, i see phone notifications (that I want) on my computer, I copy something on my computer and then paste it on my phone.. ..the list goes on.