% Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0*   Trying 2607:f8b0:4002:c07::5b...
* Connected to www.youtube.com (2607:f8b0:4002:c07::5b) port 443 (#0)
* found 148 certificates in /etc/ssl/certs/ca-certificates.crt
* found 592 certificates in /etc/ssl/certs
* ALPN, offering http/1.1
* SSL connection using TLS1.2 / ECDHE_ECDSA_AES_128_GCM_SHA256
*        server certificate verification OK
*        server certificate status verification SKIPPED
*        common name: *.google.com (matched)
*        server certificate expiration date OK
*        server certificate activation date OK
*        certificate public key: EC
*        certificate version: #3
*        subject: C=US,ST=California,L=Mountain View,O=Google Inc,CN=*.google.com
*        start date: Tue, 05 Dec 2017 09:28:00 GMT
*        expire date: Tue, 27 Feb 2018 09:28:00 GMT
*        issuer: C=US,O=Google Inc,CN=Google Internet Authority G2
*        compression: NULL
* ALPN, server accepted to use http/1.1
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0> GET /watch?v=lFfYV3mXa9o HTTP/1.1
> Host: www.youtube.com
> User-Agent: curl/7.47.0
> Accept: */*
>
< HTTP/1.1 200 OK
< Strict-Transport-Security: max-age=31536000
< X-XSS-Protection: 1; mode=block; report=https://www.google.com/appserve/security-bugs/log/youtube
< P3P: CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657?hl=en for more info."
< Cache-Control: no-cache
< Expires: Tue, 27 Apr 1971 19:44:06 EST
< X-Frame-Options: SAMEORIGIN
< Content-Type: text/html; charset=utf-8
< X-Content-Type-Options: nosniff
< Date: Wed, 27 Dec 2017 20:34:19 GMT
< Server: YouTube Frontend Proxy
< Set-Cookie: YSC=tWFCrJwJMrk; path=/; domain=.youtube.com; httponly
< Set-Cookie: VISITOR_INFO1_LIVE=WLr3mE0e9BE; path=/; domain=.youtube.com; expires=Tue, 28-Aug-2018 08:27:19 GMT; httponly
< Set-Cookie: PREF=f1=40000000; path=/; domain=.youtube.com; expires=Tue, 28-Aug-2018 08:27:19 GMT
< Alt-Svc: hq=":443"; ma=2592000; quic=51303431; quic=51303339; quic=51303338; quic=51303337; quic=51303335,quic=":443"; ma=2592000; v="41,39,38,37,35"
< Accept-Ranges: none
< Vary: Accept-Encoding
< Transfer-Encoding: chunked
<
{ [158 bytes data]
100 47229    0 47229    0     0   120k      0 --:--:-- --:--:-- --:--:--  119k
* Connection #0 to host www.youtube.com left intact