当我尝试向 google.com 发出 https 请求时，我最近开始看到
[root@ip-172-31-47-76 ~]# curl -I -v https://google.com
* Rebuilt URL to: https://google.com/
* Trying 216.58.193.78...
* TCP_NODELAY set
* Connected to google.com (216.58.193.78) port 443 (#0)
* Initializing NSS with certpath: sql:/etc/pki/nssdb
* CAfile: /etc/pki/tls/certs/ca-bundle.crt
CApath: none
* Server certificate:
* subject: CN=*.google.com,O=Google Inc,L=Mountain View,ST=California,C=US
* start date: Feb 20 14:17:23 2018 GMT
* expire date: May 15 14:08:00 2018 GMT
* common name: *.google.com
* issuer: CN=Google Internet Authority G2,O=Google Inc,C=US
* NSS error -8172 …