Test
curl -I https://域名
HTTP/1.1 200 OK
Server: nginx/1.10.2
Date: Thu, 23 Mar 2017 10:04:58 GMT
Content-Type: text/html
Content-Length: 612
Last-Modified: Tue, 18 Oct 2016 16:37:29 GMT
Connection: keep-alive
ETag: "58064fc9-264"
Accept-Ranges: bytes
vim /etc/nginx/nginx.conf在http中加入：
server_tokens off;
HTTP/1.1 200 OK
Server: nginx
Date: Thu, 23 Mar 2017 10:09:38 GMT
Content-Type: text/html
Content-Length: 612
Last-Modified: Tue, 18 Oct 2016 16:37:29 GMT
Connection: keep-alive
ETag: "58064fc9-264"
Accept-Ranges: bytes
