I'm using php (the sockets extension) to handle sending and receiving xml files. I'd like to be able to fix the outgoing clients port number as the server has a set amount of incoming connections. I find that each time the php script is run it creates a new port number. The client side script I have so far is this:-\[code\]send_message('192.9.2.50','10220',$xmlCmd->asXML());function send_message($ipaddr, $port, $msg){ $fp = stream_socket_client("tcp://".$ipaddr.":".$port, $errno, $errstr); if (!$fp) { echo "ERR : $errno - $errstr"; } else { fwrite($fp,$msg); $response = fread($fp,1024); // Make a SimpleXML object from the response $xml = new SimpleXMLElement($response); echo $xml->Channel->Air->Index; fclose($fp); }}\[/code\]Update:I'll try using file_get_contents again but the xml only seemed to pass from client to server ie no reply. Could anyone help me with the stream_context_create options, I need to combine these two but can't seem to get it right. Code:-\[code\] $opts = array('http' => array( 'method' => 'POST', 'header' => 'Content-type: text/xml;', 'content' => $msg) );//combine with these options$opts = array('socket'=>array('bindto'=>"192.9.2.60:2800"));\[/code\]