coccocbot-web
Vietnamese search engine web crawler
About this crawler
coccocbot-web is a web crawler identified by the regular-expression pattern coccocbot-web in the User-Agent request header. It is categorised as search-engine. Use the regex above to detect, log, allow, or block coccocbot-web traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.12%
Technical details
- Name
- coccocbot-web
- Pattern
coccocbot-web- Tags
- search-engine
- Reference
- https://coccoc.com/search/console/en/coc-coc-robots
- Added
- 2026/05/03
- rDNS suffixes
.coccoc.com- Instances
- 1 known sample(s)
rDNS verification (FCrDNS)
Verify a request is genuinely coccocbot-web 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.
.coccoc.com
Sample User-Agent strings
Mozilla/5.0 (compatible; coccocbot-web/1.0; +http://help.coccoc.com/searchengine)
Block this crawler
robots.txt — disallow coccocbot-web:
User-agent: coccocbot-web
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} coccocbot-web [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "coccocbot-web") {
return 403;
}
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