VelenPublicWebCrawler
Velen web crawler for content discovery
About this crawler
VelenPublicWebCrawler is a web crawler identified by the regular-expression pattern VelenPublicWebCrawler in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block VelenPublicWebCrawler traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
1.8%
Technical details
- Name
- VelenPublicWebCrawler
- Pattern
VelenPublicWebCrawler- Tags
- seo
- Reference
- https://velen.io/
- Added
- 2018/10/09
- rDNS suffixes
.velen.io- Instances
- 1 known sample(s)
rDNS verification (FCrDNS)
Verify a request is genuinely VelenPublicWebCrawler with forward-confirmed reverse DNS: the client IP's PTR record must end in one of the suffixes below and a forward A/AAAA lookup of that hostname must return the same IP. UA strings alone are spoofable; FCrDNS is not.
.velen.io
Sample User-Agent strings
VelenPublicWebCrawler (velen.io)
Block this crawler
robots.txt — disallow VelenPublicWebCrawler:
User-agent: VelenPublicWebCrawler
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} VelenPublicWebCrawler [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "VelenPublicWebCrawler") {
return 403;
}
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