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Its web page has a broken SSL/TLS certificate: $ curl --verbose https://www.laserlabs.org/chirp.php * Trying 5.35.226.130:443... * Connected to www.laserlabs.org (5.35.226.130) port 443 (#0) * ALPN: offers h2,http/1.1 * TLSv1.3 (OUT), TLS handshake, Client hello (1): * CAfile: /opt/local/share/curl/curl-ca-bundle.crt * CApath: none * TLSv1.3 (IN), TLS handshake, Server hello (2): * TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8): * TLSv1.3 (IN), TLS handshake, Certificate (11): * TLSv1.3 (OUT), TLS alert, unknown CA (560): * SSL certificate problem: unable to get local issuer certificate * Closing connection 0 curl: (60) SSL certificate problem: unable to get local issuer certificate More details here: https://curl.se/docs/sslcerts.html curl failed to verify the legitimacy of the server and therefore could not establish a secure connection to it. To learn more about this situation and how to fix it, please visit the web page mentioned above.
