Sometimes you want to make sure people don't break your stuff, or other peoples' stuff, by adding protection blocks to your server you can allow players to place protection around their builds, while not letting them go crazy and just protect massive areas that they never plan on doing anything with.

Download Minetest: https://www.minetest.net/downloads/

https://www.nathansalapat.com/minetest/protectorredo
http://www.nathansalapat.com/SocialMedia
PayPal: https://www.paypal.me/NathanS21