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How do I see what devices are connected to my network?
Main Post:
EDIT: Hey thank you all for the thoughtful suggestions and advice. I found my router logs and discovered a plethora of dos attacks of various types, along with rejected attempts at access. From what I can see, it doesn't look like there was any successful access, but I could be missing something. I'm also thinking the previous suspicious connection may have been a work laptop, which is odd since that laptop hasn't been connected to my wifi for several days.
I have enable Mint firewall at this point. I also setup a new router, updated it, and configured security. Passwords are all new at this point. Router logs have been looking good all day. I still wish I could access a record of mint sysem notification. But oh well...live to fight another day.
ORIGINAL: I am at home after work, minding my own business just checking emails. My system becomes mostly unresponsive. I can navigate through the desktop but Firefox and system shutdown are not responding. I did a hard restart including both the cp and router.
A few minutes later I just happened to notice a notification banner indicating that “unknown-name-to-me-laptop” is disconnected. As I didn’t at all recognize the laptop name I’m wondering what/who it was and if it is an indication that someone got into my system.
Is there a way to actively (or passively, I suppose) view[edit] connections to my computer/wifi? Am I being paranoid about this? Why does Mint not provide a way to view history of notification? (They pop up for literally five seconds and then are never seen again. Grumble grumble)
I’ve never put much effort into setting up any type of security for my system. I always felt like security was good enough “out of the box” with whatever is included in the OS. Should I be running some type of secondary security? Or a firewall? I don’t even know what a firewall really does.
Top Comment: Check the connections on your router, then change the password to something a bit harder to guess.