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Nutch
Apache Nutch open-source web crawler framework
About this crawler
Nutch is a web crawler identified by the regular-expression pattern Nutch in the User-Agent request header. It is categorised as search-engine. Use the regex above to detect, log, allow, or block Nutch traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
1.1%
Technical details
- Name
- Nutch
- Pattern
Nutch- Tags
- search-engine
- Instances
- 3 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/605.1.16 (KHTML, like Gecko; compatible; Friendly_Crawler/2.0) Chrome/120.0.6099.217 Safari/605.1.15/Nutch-1.20-SNAPSHOT
NutchCVS/0.7.1 (Nutch; http://lucene.apache.org/nutch/bot.html; [email protected])
istellabot-nutch/Nutch-1.10
Block this crawler
robots.txt — disallow Nutch:
User-agent: Nutch
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Nutch [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Nutch") {
return 403;
}
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