IODC
IODC Internet Engineering Odysseus web survey crawler
About this crawler
IODC is a web crawler identified by the regular-expression pattern IODC in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block IODC traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
No block-rate data for this crawler.
Technical details
- Name
- IODC
- Pattern
IODC- Tags
- seo
- Reference
- https://iodc.co.uk
- Added
- 2026/05/09
- Instances
- 3 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (compatible; IODC-Internet Engineering Odysseus 001; +http://iodc.co.uk)
Mozilla/5.0 (compatible; IODC-Internet Engineering Odysseus 005; +http://iodc.co.uk)
Mozilla/5.0 (compatible; IODC-Odysseus Survey 29691-100-070315021100-72; +http://iodc.co.uk)
Block this crawler
robots.txt — disallow IODC:
User-agent: IODC
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} IODC [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "IODC") {
return 403;
}
← back to all crawlers