Add warning when disabling secure.enable_security (#9943)

src/script/scripting_server.cpp

@@ -62,6 +62,10 @@ ServerScripting::ServerScripting(Server* server):
 
 	if (g_settings->getBool("secure.enable_security")) {
 		initializeSecurity();
+	} else {
+		warningstream << "\\!/ Mod security should never be disabled, as it allows any mod to "
+				<< "access the host machine."
+				<< "Mods should use minetest.request_insecure_environment() instead \\!/" << std::endl;
 	}
 
 	lua_getglobal(L, "core");