this post was submitted on 24 Sep 2024
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Linux
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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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Run pihole with a MikroTik router at your houses demarc.
Set up firewall rules in the tik to redirect any packet with dst tcp/udp 53 outbound on wan to the pihole. If you’re worried about dns when pihole is down, create disabled rules to allow the dns traffic as well, then set up a scheduler script using if blocks to toggle the sets of rules depending on status. This will force any client on your network, even one with hardcoded dns IPs, to use the pihole.
If the client is configured for DoH you’ll just have to build out an ip block list in the MikroTik and block all known DoH IPs.
Create firewall rules to drop all vpn traffic you can, combining port based rules and similar IP lists as for DoH, but subbing in VPN provider IPs. If you want to route your home traffic over a vpn, set up a vpn client in the router itself and basically site-to-site your home to the vpn provider you use.
This would block the vast majority of kids trying to bypass parents blocks, but it’s asking quite a lot from the parents who don’t have experience configuring this stuff already.
I knew the forced dns thing because I have a pihole, and blocking port 53 traffic not heading to my two PIs has not happened yet, despite my best efforts. Shit aint simple for me, much less regular people.
Then they just do what we did when our parents wouldn't let us watch TV. Go over to a friend's house and do it there.