Cloudflare-Traffic-Manager

monitoring Cloudflare-Traffic-Manager

CloudFlare traffic manager web crawler

About this crawler

Cloudflare-Traffic-Manager is a web crawler identified by the regular-expression pattern Cloudflare-Traffic-Manager in the User-Agent request header. It is categorised as monitoring. Use the regex above to detect, log, allow, or block Cloudflare-Traffic-Manager traffic in your web server, CDN edge rules, or robots.txt.

Block-rate · top 25k sites

0.065%
latest snapshot
2026-06-04
matched key: Cloudflare-Traffic-Manager
2026-05-012026-06-040.11%

Technical details

Name
Cloudflare-Traffic-Manager
Pattern
Cloudflare-Traffic-Manager
Tags
monitoring
Reference
https://developers.cloudflare.com/load-balancing/monitors/
Added
2024/12/17
rDNS suffixes
.cloudflare.com
Instances
1 known sample(s)

rDNS verification (FCrDNS)

Verify a request is genuinely Cloudflare-Traffic-Manager with forward-confirmed reverse DNS: the client IP's PTR record must end in one of the suffixes below and a forward A/AAAA lookup of that hostname must return the same IP. UA strings alone are spoofable; FCrDNS is not.

Sample User-Agent strings

Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: AAAAAAAAAAAAAAAA)

Block this crawler

robots.txt — disallow Cloudflare-Traffic-Manager:

User-agent: Cloudflare-Traffic-Manager Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} Cloudflare-Traffic-Manager [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "Cloudflare-Traffic-Manager") { return 403; }
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