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LSSRocketCrawler
Lightspeed Systems web filter crawler
About this crawler
LSSRocketCrawler is a web crawler identified by the regular-expression pattern LSSRocketCrawler\/ in the User-Agent request header. It is categorised as scanner. Use the regex above to detect, log, allow, or block LSSRocketCrawler traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- LSSRocketCrawler
- Pattern
LSSRocketCrawler\/- Tags
- scanner
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
LSSRocketCrawler/1.0 LightspeedSystems
Block this crawler
robots.txt — disallow LSSRocketCrawler:
User-agent: LSSRocketCrawler
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} LSSRocketCrawler\/ [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "LSSRocketCrawler\\/") {
return 403;
}
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