oBot
IBM OpenView operations bot
About this crawler
oBot is a web crawler identified by the regular-expression pattern oBot in the User-Agent request header. It is categorised as monitoring. Use the regex above to detect, log, allow, or block oBot traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.33%
Technical details
- Name
- oBot
- Pattern
oBot- Tags
- monitoring
- Reference
- http://www-935.ibm.com/services/us/index.wss/detail/iss/a1029077
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (compatible; oBot/2.3.1; +http://www-935.ibm.com/services/us/index.wss/detail/iss/a1029077?cntxt=a1027244)
Block this crawler
robots.txt — disallow oBot:
User-agent: oBot
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} oBot [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "oBot") {
return 403;
}
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