net1

server {
        listen       80;
        server_name  example.com;
        root /www/example;
        access_by_lua 'denyip()'; #check error counter 

        error_page  400 404 405 406 = /404.html;
        location = /404.html {
                set $inc 1; #this is useful for blocking website scanners
                set_by_lua $err 'incerror()' $inc;