W
WinHttp.WinHttpRequest
Windows HTTP Request library
About this crawler
WinHttp.WinHttpRequest is a web crawler identified by the regular-expression pattern WinHttp\.WinHttpRequest in the User-Agent request header. It is categorised as http-library. Use the regex above to detect, log, allow, or block WinHttp.WinHttpRequest traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
No block-rate data for this crawler.
Technical details
- Name
- WinHttp.WinHttpRequest
- Pattern
WinHttp\.WinHttpRequest- Tags
- http-library
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Block this crawler
robots.txt — disallow WinHttp.WinHttpRequest:
User-agent: WinHttp.WinHttpRequest
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} WinHttp\.WinHttpRequest [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "WinHttp\\.WinHttpRequest") {
return 403;
}
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