[luuuzeta]

I get "Object Not Found!"

[kps]

Odd. I had visited the Columbia page¹ first, so it may be an anti-hotlinking measure.

¹ http://www.columbia.edu/cu/computinghistory/ssec.html

[breput]

I get the same 404 error in both a browser (manually entering the URL, not following the link) and curl:

* Trying 128.59.105.24... * TCP_NODELAY set * Connected to www.columbia.edu (128.59.105.24) port 443 (#0) * ALPN, offering h2 * ALPN, offering http/1.1 * successfully set certificate verify locations: * CAfile: /etc/ssl/cert.pem CApath: none * TLSv1.2 (OUT), TLS handshake, Client hello (1): * TLSv1.2 (IN), TLS handshake, Server hello (2): * TLSv1.2 (IN), TLS handshake, Certificate (11): * TLSv1.2 (IN), TLS handshake, Server key exchange (12): * TLSv1.2 (IN), TLS handshake, Server finished (14): * TLSv1.2 (OUT), TLS handshake, Client key exchange (16): * TLSv1.2 (OUT), TLS change cipher, Change cipher spec (1): * TLSv1.2 (OUT), TLS handshake, Finished (20): * TLSv1.2 (IN), TLS change cipher, Change cipher spec (1): * TLSv1.2 (IN), TLS handshake, Finished (20): * SSL connection using TLSv1.2 / ECDHE-RSA-AES128-GCM-SHA256 * ALPN, server did not agree to a protocol * Server certificate: * subject: C=US; ST=New York; O=Columbia University; CN=.columbia.edu start date: Jan 21 00:00:00 2023 GMT * expire date: Feb 21 23:59:59 2024 GMT * subjectAltName: host "www.columbia.edu" matched cert's ".columbia.edu" issuer: C=US; ST=MI; L=Ann Arbor; O=Internet2; OU=InCommon; CN=InCommon RSA Server CA * SSL certificate verify ok. > GET /cu/computinghistory/ssec.html HTTP/1.1 > Host: www.columbia.edu > User-Agent: curl/7.64.1 > Accept: / > < HTTP/1.1 404 Not Found

[kps]

Ah. It seems the site doesn't support https.

[breput]

Same