"WP Ultimate Firewall - Performance & Security!
Security & Firewall – Real-Time Firewall Protection
– Advanced Firewall protection detects fake, spam and
attacking users and protects your website. Indeed, it
cannot be blocked by Google or other search engine
detections and does not harm your website in terms of
SEO. Real-time firewall protection works according to
the two options; one is blocking attacks when it is
detected and the other one is checking it with reCAPTHCA.
You can arrange these settings with Prevention Method