curl -v https://copilot.microsoft.com
* Trying 23.51.14.157:443...
* TCP_NODELAY set
* Connected to copilot.microsoft.com (23.51.14.157) port 443 (#0)
* ALPN, offering h2
* ALPN, offering http/1.1
* successfully set certificate verify locations:
* CAfile: /etc/ssl/certs/ca-certificates.crt
CApath: /etc/ssl/certs
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* 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 (IN), TLS handshake, CERT verify (15):
* TLSv1.3 (IN), TLS handshake, Finished (20):
* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):
* TLSv1.3 (OUT), TLS handshake, Finished (20):
* SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384
* ALPN, server accepted to use h2
* Server certificate:
* subject: C=US; ST=WA; L=Redmond; O=Microsoft Corporation; CN=copilot.microsoft.com
* start date: Jul 9 21:01:25 2025 GMT
* expire date: Jul 4 21:01:25 2026 GMT
* subjectAltName: host "copilot.microsoft.com" matched cert's "copilot.microsoft.com"
* issuer: C=US; O=Microsoft Corporation; CN=Microsoft Azure ECC TLS Issuing CA 07
* SSL certificate verify ok.
* Using HTTP2, server supports multi-use
* Connection state changed (HTTP/2 confirmed)
* Copying HTTP/2 data in stream buffer to connection buffer after upgrade: len=0
* Using Stream ID: 1 (easy handle 0x561766e480d0)
> GET / HTTP/2
> Host: copilot.microsoft.com
> user-agent: curl/7.68.0
> accept: */*
>
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* old SSL session ID is stale, removing
* Connection state changed (MAX_CONCURRENT_STREAMS == 100)!
< HTTP/2 200
< x-ceto-ref: 68da080b34784fd5b2946f2fe14b1f95|AFD:68da080b34784fd5b2946f2fe14b1f95|2025-09-29T04:16:11.600Z
< content-length: 0
< date: Mon, 29 Sep 2025 04:16:11 GMT
< alt-svc: h3=":443"; ma=93600
< x-cdn-traceid: 0.aa773217.1759119371.1d0a68c3
<
* Connection #0 to host copilot.microsoft.com left intact
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