LP

libwww-perl

http-library libwww-perl

Perl library for making HTTP requests and web crawling

About this crawler

libwww-perl is a web crawler identified by the regular-expression pattern libwww-perl in the User-Agent request header. It is categorised as http-library. Use the regex above to detect, log, allow, or block libwww-perl traffic in your web server, CDN edge rules, or robots.txt.

Block-rate · top 25k sites

0.33%
latest snapshot
2026-06-04
matched key: libwww-perl
2026-05-012026-06-040.41%

Technical details

Name
libwww-perl
Pattern
libwww-perl
Tags
http-library
Instances
3 known sample(s)

Sample User-Agent strings

2Bone_LinkChecker/1.0 libwww-perl/6.03
2Bone_LinkChkr/1.0 libwww-perl/6.03
amibot - http://www.amidalla.de - [email protected] libwww-perl/5.831

Block this crawler

robots.txt — disallow libwww-perl:

User-agent: libwww-perl Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "libwww-perl") { return 403; }
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