Apache 使用代理出现The proxy server received an invalid response from an upstream server.The proxy server could not handle the request GET /.Reason: DNS lookup failure for: xxx.xxx.com错误,解决办法: 在apache配置文件中的httpd.conf或vhost目录中添加 SetEnv force-proxy-request-1.0.1SetEnv proxy-nokeepalive 1 (加到外面使用与所有主机) 转载于:https://blog.51cto.com/silencezone/1703410