abby

http-library abby

Ellerdale crawler

About this crawler

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

Block-rate · top 25k sites

0.064%
latest snapshot
2026-05-18
matched key: abby
2026-05-142026-05-180.11%

Technical details

Name
abby
Pattern
abby
Tags
http-library
Reference
http://www.ellerdale.com/crawler.html
Added
2026/05/09
Instances
1 known sample(s)

Sample User-Agent strings

Mozilla/5.0 (compatible; abby/1.0; +http://www.ellerdale.com/crawler.html)

Block this crawler

robots.txt — disallow abby:

User-agent: abby Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "abby") { return 403; }
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