about your script about DDoS and iptable

Hello
my website is under attack. mainly for waisting the resources. too many hits from a single IP in a short time. 1 sec. mainly hits go to root dir. /.

do you have any sujestions? i read your article. http://spamcleaner.org/en/misc/flood-http-mod_security.html
i guess this will help me. so please help me.

My website is mamooti.com
stats
Total Hits 10221359
Total Files 457572
Total Pages 10212695
Total Visits 277492
Total KBytes 31749264

Thanks,

https://ww.wp.xz.cn/plugins/ninjafirewall/