A Curl test yields
curl -v -v -v -v -v -v -v -v -v -v -v -v
https://raw.github.com/s9y/additional_p ... bar_en.xml
* STATE: INIT => CONNECT handle 0x801aba808; line 1881 (connection #-5000)
* Added connection 0. The cache now contains 1 members
* STATE: CONNECT => RESOLVING handle 0x801aba808; line 1927 (connection #0)
* family0 == v4, family1 == v6
* Trying 185.199.110.133:443...
* STATE: RESOLVING => CONNECTING handle 0x801aba808; line 2011 (connection #0)
* Connected to raw.github.com (185.199.110.133) port 443 (#0)
* STATE: CONNECTING => PROTOCONNECT handle 0x801aba808; line 2076 (connection #0)
* ALPN: offers h2
* ALPN: offers http/1.1
* CAfile: /usr/local/share/certs/ca-root-nss.crt
* CApath: none
* Didn't find Session ID in cache for host
HTTPS://raw.github.com:443
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* STATE: PROTOCONNECT => PROTOCONNECTING handle 0x801aba808; line 2094 (connection #0)
* 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 h2
* Server certificate:
* subject: C=US; ST=California; L=San Francisco; O=GitHub, Inc.; CN=*.github.io
* start date: Mar 18 00:00:00 2022 GMT
* expire date: Mar 21 23:59:59 2023 GMT
* subjectAltName: host "raw.github.com" matched cert's "*.github.com"
* issuer: C=US; O=DigiCert Inc; CN=DigiCert TLS RSA SHA256 2020 CA1
* SSL certificate verify ok.
* STATE: PROTOCONNECTING => DO handle 0x801aba808; line 2113 (connection #0)
* Using HTTP2, server supports multiplexing
* Copying HTTP/2 data in stream buffer to connection buffer after upgrade: len=0
* h2h3 [:method: GET]
* h2h3 [:path: /s9y/additional_plugins/master/package_sidebar_en.xml]
* h2h3 [:scheme: https]
* h2h3 [:authority: raw.github.com]
* h2h3 [user-agent: curl/7.85.0]
* h2h3 [accept: */*]
* Using Stream ID: 1 (easy handle 0x801aba808)
> GET /s9y/additional_plugins/master/package_sidebar_en.xml HTTP/2
> Host: raw.github.com
> user-agent: curl/7.85.0
> accept: */*
>
* STATE: DO => DID handle 0x801aba808; line 2193 (connection #0)
* multi changed, check CONNECT_PEND queue
* STATE: DID => PERFORMING handle 0x801aba808; line 2312 (connection #0)
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* Didn't find Session ID in cache for host
HTTPS://raw.github.com:443
* Added Session ID to cache for
HTTPS://raw.github.com:443 [server]
* HTTP/2 found, allow multiplexing
< HTTP/2 301
< location:
https://raw.githubusercontent.com/s9y/a ... bar_en.xml
< accept-ranges: bytes
< date: Fri, 25 Nov 2022 23:27:42 GMT
< via: 1.1 varnish
< age: 0
< x-served-by: cache-yyc1430027-YYC
< x-cache: MISS
< x-cache-hits: 0
< x-timer: S1669418862.949493,VS0,VE342
< vary: Accept-Encoding
< x-fastly-request-id: 1768e9f309bed80433544cb01341989f3663e97a
< content-length: 0
<
* STATE: PERFORMING => DONE handle 0x801aba808; line 2511 (connection #0)
* multi_done: status: 0 prem: 0 done: 0
* Connection #0 to host raw.github.com left intact
* Expire cleared (transfer 0x801aba808)