Block internet for programs in FOLDER?

Question

linux

There is a folder, it is necessary that the programs that are in it do not have access to the Internet, is it really possible to do it in a simple way?

Answer 1

Simply not realistic.
1.
https://habr.com/ru/post/82933/
2.
Well, make a bash script with "noinet" for all programs from the folder you need.