diff --git a/roles/httpd/reverseproxy/templates/reversepassproxy.fp-wiki.conf b/roles/httpd/reverseproxy/templates/reversepassproxy.fp-wiki.conf
index a59d73c160..4209ac7f22 100644
--- a/roles/httpd/reverseproxy/templates/reversepassproxy.fp-wiki.conf
+++ b/roles/httpd/reverseproxy/templates/reversepassproxy.fp-wiki.conf
@@ -8,6 +8,11 @@ RewriteCond %{HTTPS} off
 RewriteCond %{QUERY_STRING} action= [NC]
 RewriteRule .* https://%{HTTP_HOST}%{REQUEST_URI} [R=301,NE,L]
 
+# Spiders-gone-wild
+# These spiders may not follow robots.txt and will
+# hit admin sections which consume large amounts of CPU
+RewriteCond %{HTTP_USER_AGENT} ^.*(Bytespider|ClaudeBot|Amazonbot|YandexBot|ChatGLM-Spider|GPTBot|Barkrowler|YisouSpider|MJ12bot|SemrushBot).*$ [NC]
+RewriteRule .* - [F,L]
 
 # /wiki must come before /w due to prefix matching.
 ProxyPass {{wikipath}} {{proxyurl}}{{wikipath}}