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I found many posts when I queried for this problem, but they all refer to how to upload a file from your browser to a node.js server. I want to upload a file from node.js code to another server. I tried to write it based on my limited knowledge of node.js, but it doesn't work. function (data) { var reqdata = 'file='+data; var request = http.request({ host : HOST_NAME, port : HOST_PORT, path : PATH, method : 'POST', headers : { 'Content-Type' : 'multipart/form-data', 'Content-Length' : reqdata.length } }, function (response) { var data = ''; response.on('data', function(chunk) { data += chunk.toString(); }); response.on('end', function() { console.log(data); }); }); request.write(reqdata+'\r\n\r\n'); request.end(); }) The above function is called by other code that generates data. I tried to upload same data file using curl -F "file=@<filepath>" and the upload is successful. But my code fails. The server returns an application specific error which hints that the uploaded file was invalid/corrupt. I collected tcpdump data and analysed it in wireshark. The packet sent from my node.js code lacks the boundary required for the multipart data. I see this message in wireshark packet The multipart dissector could not find the required boundary parameter. Any idea how to accomplish this in node.js code?

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