CF Rule

(http.request.method eq "GET" and http.request.uri.query eq "" and http.request.version eq "HTTP/1.1" and any(len(http.request.headers.values[])[] gt 60) )

Cloudflare Firewall Rules Page: (https://developers.cloudflare.com/firewall/cf-firewall-language/fields#dynamic-fields "Documentation")

Tried something simple without http version and query string, but still not working.

HAPROXY:

acl test1 hdr_cnt() gt 60 http-request deny if METH_GET test1 also tried with same method below and it didn’t work

req.fhdr_cnt