curl_setopt ($ch, CURLOPT_URL, $requestUrl);  curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);  curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);  curl_setopt($ch, CURLOPT_PROXYAUTH, CURLAUTH_BASIC); //代理认证模式  curl_setopt($ch, CURLOPT_PROXY, "127.0.0.1"); //代理服务器地址  curl_setopt($ch, CURLOPT_PROXYPORT, 80); //代理服务器端口  //curl_setopt($ch, CURLOPT_PROXYUSERPWD, ":"); //http代理认证帐号，名称:pwd的格式  curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_HTTP); //使用http代理模式

http默认端口为：80/tcp

HTTPS服务器，默认的端口号为443/tcp 443/udp；