"echocrawl
Thunderstone search engine crawler
About this crawler
"echocrawl is a web crawler identified by the regular-expression pattern "echocrawl in the User-Agent request header. It is categorised as search-engine. Use the regex above to detect, log, allow, or block "echocrawl 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
- "echocrawl
- Pattern
"echocrawl- Tags
- search-engine
- Reference
- http://search.thunderstone.com/texis/websearch/about.html
- Added
- 2026/05/09
- Instances
- 0 known sample(s)
Sample User-Agent strings
no public sample user-agents recorded.
Block this crawler
robots.txt — disallow "echocrawl:
User-agent: "echocrawl
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} \"echocrawl [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "\"echocrawl ") {
return 403;
}
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