1,vps安全组开放端口规则
2,yum install squid -y
3,yum install httpd-tools -y
4,cd /etc/squid
5,htpasswd -c /etc/squid/passwd 设置的账号，回车输密码后，会生成/etc/squid/passwd文件
6,vi etc/squid/squid.conf
http_port 57000
via off
forwarded_for delete
auth_param basic program /usr/lib64/squid/basic_ncsa_auth /etc/squid/passwd
acl auth_user proxy_auth REQUIRED
http_access allow auth_user
7,systemctl start squid.service
8,netstat -pantu
9,squid -k reconfig
10,浏览器设置好代理后输入对应的账号密码即可