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submitted 3 days ago* (last edited 3 days ago) by myotheraccount@lemmy.world to c/linux@lemmy.ml

Is there a firewall solution for Linux that will notify me of any connections that other processes try to establish, and let me allow/deny each connection manually?

I would like to get more concious about which tools are connecting to the internet, and how often.

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[-] redlemace@lemmy.world 1 points 3 days ago

You could drop all and use the log function to see all traffic denied

[-] myotheraccount@lemmy.world 2 points 3 days ago

Thanks, I'm aware, but I'm looking for an interactive application that lets me create rules on the fly. I don't want to have a one-time session where I check which tools connect to what, but rather something that interrupts me throughout the day...

If such a thing doesn't exist, tipps on how to build it are welcome too though.

[-] redlemace@lemmy.world 1 points 3 days ago

Script that monitors the logs and uses notify-send to throw a popup? Not yet fully interactive but could be a start

this post was submitted on 19 Aug 2025
36 points (100.0% liked)

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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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