nginx: [emerg] unknown directive "access_by_lua_file"

[Moi045]

Issue title

Issue Description

I tried to install the lua file but i got this error:

nginx: [emerg] unknown directive "access_by_lua_file" in /etc/nginx/nginx.conf:17
nginx: configuration file /etc/nginx/nginx.conf test failed

Versions:

• Browser(s):
• Nginx version: 1.18.0
• Operating system of web server running Nginx: Ubuntu 20.04

Nginx config:

user www-data;
worker_processes auto;
pid /run/nginx.pid;
include /etc/nginx/modules-enabled/*.conf;

events {
	worker_connections 500;
	# multi_accept on;
}

http {

	##
	# Basic Settings
	##

	access_by_lua_file conf/lua/anti_ddos_challenge.lua;
}