Pcore-HTTP

http-library Pcore-HTTP

Pcore HTTP web crawler library

About this crawler

Pcore-HTTP is a web crawler identified by the regular-expression pattern Pcore-HTTP in the User-Agent request header. It is categorised as http-library. Use the regex above to detect, log, allow, or block Pcore-HTTP 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: Pcore-HTTP
2026-05-012026-06-040.11%

Technical details

Name
Pcore-HTTP
Pattern
Pcore-HTTP
Tags
http-library
Reference
https://bitbucket.org/softvisio/pcore/overview
Added
2017/08/19
Instances
2 known sample(s)

Sample User-Agent strings

Pcore-HTTP/v0.40.3
Pcore-HTTP/v0.44.0

Block this crawler

robots.txt — disallow Pcore-HTTP:

User-agent: Pcore-HTTP Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} Pcore-HTTP [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "Pcore-HTTP") { return 403; }
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