1.安装 yum install squid

2.配置 vi /etc/squid/squid.conf

append: auth_param basic program /usr/lib64/squid/basic_ncsa_auth /etc/squid/passwd acl auth_user proxy_auth REQUIRED http_access allow auth_user

然后使用htpasswd 向/etc/squid/passwd 添加用户名和密码

3.启动squid service squid start/stop 检查： netstat -tulpn | grep 3128

防火墙修改： vi /etc/sysconfig/iptables append: -A RH-Firewall-1-INPUT -m state –state NEW,ESTABLISHED,RELATED -m tcp -p tcp –dport 3128 -j ACCEPT

/etc/rc.d/init.d/iptables save service iptables restart