I'm willing to learn; I have 100% of free time to do it. I tried to look for common security practices in all the links you provided, but I couldn't find anything except here:


https://raspibolt.org/guide/raspberry-pi/security.html

Would this suffice?

loogart

bitcoin

C-lightning node Local Network security?

Why peopke want to run nodes without any basic knowledge?
Especially a public node. You are doing more harm than good.
1. Learn networking
2. Learn hardware maintenance
3. Learn Linux
4. Learn more about Bitcoin.
5. Learn more about LN

Then start running a public node.
If you are not able to do all these steps, then just run a private node only for your personal needs.

Please read more:
- https://darthcoin.substack.com/p/lightning-network-is-awesome
- https://darthcoin.substack.com/p/lightning-node-maintenance
- https://darthcoin.substack.com/p/recommendations-for-ln-users
- https://darthcoin.substack.com/p/getting-started-ln
- https://darthcoin.substack.com/p/private-lightning-nodes
- https://darthcoin.substack.com/p/managing-lightning-node-liquidity