BlackDuck-FD
Vulnerability scanner for application security testing
About this crawler
BlackDuck-FD is a web crawler identified by the regular-expression pattern BlackDuck-FD in the User-Agent request header. It is categorised as scanner. Use the regex above to detect, log, allow, or block BlackDuck-FD 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
- BlackDuck-FD
- Pattern
BlackDuck-FD- Tags
- scanner
- Reference
- https://www.blackduck.com
- Added
- 2026/04/17
- Instances
- 1 known sample(s)
Sample User-Agent strings
BlackDuck-FD
Block this crawler
robots.txt — disallow BlackDuck-FD:
User-agent: BlackDuck-FD
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} BlackDuck-FD [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "BlackDuck-FD") {
return 403;
}
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