gsa-crawler
Google Search Appliance enterprise search indexing crawler bot
About this crawler
gsa-crawler is a web crawler identified by the regular-expression pattern gsa-crawler in the User-Agent request header. It is categorised as search-engine. Use the regex above to detect, log, allow, or block gsa-crawler traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.13%
Technical details
- Name
- gsa-crawler
- Pattern
gsa-crawler- Tags
- search-engine
- Reference
- https://knownagents.com/agents/gsa-crawler
- Added
- 2026/04/26
- Instances
- 1 known sample(s)
Sample User-Agent strings
gsa-crawler (Enterprise; T3-LNMUGC6JBKQNE; [email protected])
Block this crawler
robots.txt — disallow gsa-crawler:
User-agent: gsa-crawler
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} gsa-crawler [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "gsa-crawler") {
return 403;
}
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