FlipboardProxy
Proxy fetching and preparing website elements for Flipboard
About this crawler
FlipboardProxy is a web crawler identified by the regular-expression pattern FlipboardProxy in the User-Agent request header. It is categorised as social-preview. Use the regex above to detect, log, allow, or block FlipboardProxy traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.39%
Technical details
- Name
- FlipboardProxy
- Pattern
FlipboardProxy- Tags
- social-preview
- Reference
- https://about.flipboard.com/browserproxy/
- Added
- 2018/06/27
- rDNS suffixes
.flipboard.com,.flipboard.net- Instances
- 5 known sample(s)
rDNS verification (FCrDNS)
Verify a request is genuinely FlipboardProxy 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.
.flipboard.com.flipboard.net
Sample User-Agent strings
Mozilla/5.0 (compatible; FlipboardProxy/1.1; +http://flipboard.com/browserproxy)
Mozilla/5.0 (compatible; FlipboardProxy/1.2; +http://flipboard.com/browserproxy)
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6 (FlipboardProxy/1.1; +http://flipboard.com/browserproxy)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:28.0) Gecko/20100101 Firefox/28.0 (FlipboardProxy/1.1; +http://flipboard.com/browserproxy)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:49.0) Gecko/20100101 Firefox/49.0 (FlipboardProxy/1.2; +http://flipboard.com/browserproxy)
Block this crawler
robots.txt — disallow FlipboardProxy:
User-agent: FlipboardProxy
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} FlipboardProxy [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "FlipboardProxy") {
return 403;
}
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