In order to make your node app work with fail2ban plugin, you have to add some line of codes
File path: /www/server/panel/plugin/fail2ban/fail2ban_main.py
Go to line: 368
nginx_conffile = '/www/server/panel/vhost/nginx/{}.conf'.format(website)
nginx_conffile_node = '/www/server/panel/vhost/nginx/node_{}.conf'.format(website)
nginx_conf = public.readFile(nginx_conffile) or public.readFile(nginx_conffile_node)
Because node using additional conf name 'node_xxxxxx.conf' with nginx
aaPanel version: 6.8.22
fail2ban version: 1.9