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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.

Lost_My_Mind ,

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.

slazer2au ,

Na, the staff are overworked enough. Don’t lump something they have no control over on their laps.

some_guy ,

That’s a special kind of evil. I think I’m mostly ok with it.

HulkSmashBurgers ,

Syncthing.org is a fun and useful tool that works over local wifi.

slazer2au ,

send prank notifications to all the connected devices

Net send has entered the chat.

gibmiser ,

Oh shit forgot about that. I was in high school when we figured that out.

paddirn ,

It’s basic, but you can use something like Plex or Jellyfin to stream music and/or movies over your local network, that’s a pretty easy one to setup (you may already use one of these services). So depending on the devices you have, you can listen/watch whatever you want, wherever you want around the house (TV, iPad, whatever).

NutinButNet , (edited )

As far as the administration side goes, I think whitelisting is a pretty awesome feature on most routers. This gives you an extra layer of security on top of your password for your WiFi. Someone may get your code from someone else or you may have let a neighbor use it for a moment, but then what? Change the password and then have to update all your other devices?

Nah, just whitelist and you can remove devices as you wish any time you want.

It’s not foolproof as MAC spoofing is a thing, but it’s a cool layer to have.

You can also more safely create a QR code for getting on the WiFi with whitelisting enabled. So if someone happens to see it, they don’t necessarily get access just by scanning it. That’s just the first step. But this makes QR codes a little safer to have for joining the WiFi easily.

I think creating your own DNS server at home with a Raspberry Pi through PiHole is also another cool thing to do. Gives you the ability to block ads as well as many other things like known malware websites and even restricting adult sites easily if you have kids or just wanting to do it for yourself.

Combine that with a VPN server on that same Raspberry Pi so you can remote into your network from anywhere and also have the adblocking from the PiHole server at home. I did this for a while but disabled it because I wanted to ensure my home network was a little more secure before opening that up again. But it was a cool thing to have and use.

scytale ,

Guest networks are also a quick and easy way to allow strangers into your network without giving them privileges to change anything, and prevent others from messing up your network if they get a hold of the password.

jordanlund ,
@jordanlund@lemmy.world avatar

Set up hotspots to amuse your neighbors:

WeCanHearYouHavingSex
FBISurveilanceVan#63
FreeCandy

BigDaddySlim ,
@BigDaddySlim@lemmy.world avatar

I’ve been doing the FBI Surveillance van one for years. 50 is the 5G band and I have 24 as the 2.4G band.

https://lemmy.world/pictrs/image/5fa239df-f59f-45ce-852a-9ebc910d35f8.jpeg

Hello_there ,

Put the network name as 'FBI Wiretap' and then talk to your neighbors, asking if they've seen a lot of unmarked vans on the street.

AnIntenseMoist ,

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).

j4k3 ,
@j4k3@lemmy.world avatar

WiFi to rick roll:

WiFi to replace all images by proxy:

Seriously Red Team:

mcmodknower ,

Use netcat (nc) or similar for local unencrypted one to one chats (half joking)

Sundial ,

You can buy a raspberry pi and have Pihole setup on it. It’ll act as your local dns server and block any ad domains for the whole household.

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