IBM Almadenalmaden.ibm.com/cs/crawler
IBM Almaden research crawler
About this crawler
IBM Almadenalmaden.ibm.com/cs/crawler is a web crawler identified by the regular-expression pattern IBM Almaden|almaden\.ibm\.com/cs/crawler in the User-Agent request header. It is categorised as academic. Use the regex above to detect, log, allow, or block IBM Almadenalmaden.ibm.com/cs/crawler traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- IBM Almadenalmaden.ibm.com/cs/crawler
- Pattern
IBM Almaden|almaden\.ibm\.com/cs/crawler- Tags
- academic
- Reference
- http://www.almaden.ibm.com/cs/crawler
- Added
- 2026/05/09
- Instances
- 2 known sample(s)
Sample User-Agent strings
IBM Almaden Crawler/1.0
http://www.almaden.ibm.com/cs/crawler [wf84]
Block this crawler
robots.txt — disallow IBM Almadenalmaden.ibm.com/cs/crawler:
User-agent: IBM Almadenalmaden.ibm.com/cs/crawler
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} IBM Almaden|almaden\.ibm\.com/cs/crawler [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "IBM Almaden|almaden\\.ibm\\.com/cs/crawler") {
return 403;
}
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