PycURL
Python cURL library
About this crawler
PycURL is a web crawler identified by the regular-expression pattern PycURL in the User-Agent request header. It is categorised as http-library. Use the regex above to detect, log, allow, or block PycURL traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- PycURL
- Pattern
PycURL- Tags
- http-library
- Reference
- http://pycurl.io/
- Added
- 2026/05/03
- Instances
- 3 known sample(s)
Sample User-Agent strings
PycURL/7.19.5.1 libcurl/7.37.0 OpenSSL/1.0.1i zlib/1.2.8 libidn/1.28 libssh2/1.4.3
PycURL/7.43.0.2 libcurl/7.47.0 GnuTLS/3.4.10 zlib/1.2.8 libidn/1.32 librtmp/2.3
PycURL/7.22.0
Block this crawler
robots.txt — disallow PycURL:
User-agent: PycURL
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} PycURL [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "PycURL") {
return 403;
}
← back to all crawlers