larbin
Open-source web crawler for large-scale indexing projects
About this crawler
larbin is a web crawler identified by the regular-expression pattern larbin in the User-Agent request header. It is categorised as http-library. Use the regex above to detect, log, allow, or block larbin traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.85%
Technical details
- Name
- larbin
- Pattern
larbin- Tags
- http-library
- Reference
- https://larbin.sourceforge.net/
- Added
- 2026/04/26
- Instances
- 1 known sample(s)
Sample User-Agent strings
larbin_2.6.2 ([email protected])
Block this crawler
robots.txt — disallow larbin:
User-agent: larbin
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} larbin [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "larbin") {
return 403;
}
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