系统版本：
[root@Centos6 /]# cat /etc/redhat-release
CentOS release 6.6 (Final)
获取IP：
[root@Centos6 /]# dig www.google.com.hk +short
172.217.1.35
[root@Centos6 /]# dig www.google.com.hk +short
216.58.216.131
[root@Centos6 /]# dig www.google.com.hk +short
216.58.216.67
[root@hk /]# dig www.google.com.hk +short
拓展版本：
[root@Centos6 conf]# cat ./nginx.conf
worker_processes 1;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
sendfile on;
keepalive_timeout 65;
upstream www.google.com {
server 216.58.193.67:443;
server 216.58.193.68:443;
server 216.58.199.99:443;
server 216.58.216.131:443;
server 216.58.193.163:443;
server 216.58.219.3:443;
server 216.58.216.3:443;
server 172.217.1.36:443;
server 172.217.1.35:443;
server 173.194.38.211:443;
server 173.194.72.199:443;
server 173.194.38.212:443;
server 173.194.38.210:443;
server 173.194.38.208:443;
server 64.233.187.199:443;
server 64.233.189.199:443;
server 74.125.203.199:443;
server 74.125.23.199:443;
}
gzip on;
gzip_min_length 1k;
gzip_buffers 4 16k;
gzip_http_version 1.1;
gzip_comp_level 9;
gzip_types text/plain application/javascript text/css application/xml;
gzip_vary on;
server {
listen 443;
server_name www.111cn.net;
resolver 8.8.8.8;
ssl on;
ssl_certificate XXX.crt;
ssl_certificate_key XXX.key;
location / {
proxy_pass https://www.google.com;
google on;
google_scholar on;
google_language "en";
root /web/site/google;
index index.php index.html index.htm;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_headers_hash_max_size 51200;
proxy_headers_hash_bucket_size 6400;
}
}
}