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LSSRocketCrawler

scanner 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%
latest snapshot
2026-06-04
matched key: lssrocketcrawler
2026-05-012026-06-040.11%

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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