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