Baiduspider
Baidu search engine web crawler bot
About this crawler
Baiduspider is a web crawler identified by the regular-expression pattern Baiduspider in the User-Agent request header. It is categorised as search-engine. Use the regex above to detect, log, allow, or block Baiduspider traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
3.3%
Technical details
- Name
- Baiduspider
- Pattern
Baiduspider- Tags
- search-engine
- Reference
- http://www.baidu.jp/spider/
- Added
- 2010/07/15
- rDNS suffixes
.baidu.com,.baidu.jp- Instances
- 2 known sample(s)
rDNS verification (FCrDNS)
Verify a request is genuinely Baiduspider with forward-confirmed reverse DNS: the client IP's PTR record must end in one of the suffixes below and a forward A/AAAA lookup of that hostname must return the same IP. UA strings alone are spoofable; FCrDNS is not.
.baidu.com.baidu.jp
Sample User-Agent strings
Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)
Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
Block this crawler
robots.txt — disallow Baiduspider:
User-agent: Baiduspider
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Baiduspider [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Baiduspider") {
return 403;
}
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