FastDAST
Black Duck security testing bot
About this crawler
FastDAST is a web crawler identified by the regular-expression pattern FastDAST in the User-Agent request header. It is categorised as monitoring. Use the regex above to detect, log, allow, or block FastDAST 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
- FastDAST
- Pattern
FastDAST- Tags
- monitoring
- Reference
- https://knownagents.com/agents/black-duck-fast-dynamic
- Added
- 2026/04/26
- Instances
- 2 known sample(s)
Sample User-Agent strings
FastDAST
Mozilla/5.0 (compatible; FastDAST; +https://www.blackduck.com/)
Block this crawler
robots.txt — disallow FastDAST:
User-agent: FastDAST
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} FastDAST [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "FastDAST") {
return 403;
}
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