squid 是个优秀的软件 1. 安装squid yum install -y squid service squid start 2. squid服务软件端口测试 squid 默认端口 3128 telnet java-er.com 3128 防火墙没打开 打开防火墙,依然不行 修改配置文件 # And finally deny all other access to this proxy http_access deny all # Squid normally listens to port 3128 http_port 312 More