diff --git a/deployment/scripts/nginx/nginx.conf b/deployment/scripts/nginx/nginx.conf
index c042fbe..1902f1c 100644
--- a/deployment/scripts/nginx/nginx.conf
+++ b/deployment/scripts/nginx/nginx.conf
@@ -32,5 +32,9 @@ http {
         error_page 502 /static/html/500.html;
         error_page 503 /static/html/500.html;
 
+	if ($http_user_agent ~* "(?:acunetix|BLEXBot|domaincrawler\.com|LinkpadBot|MJ12bot/v|majestic12\.co\.uk|AhrefsBot|TwengaBot|SemrushBot|nikto|winhttp|Xenu\s+Link\s+Sleuth|Baiduspider|HTTrack|clshttp|harvest|extract|grab|miner|python-requests|Amazonbot)") {
+	    return 444;
+	}
+
     }
 }