Cloudflare blocking FTP -

i've followed official guide sorting out ftp c# server can no longer use ftp webserver, have not edited of code. have server using same ftp method , unaffected (hasn't stopped running before moved cloudflare until now).

does know settings need in cloudflare enable ftp through c#?

filezilla on same machine works fine - time out after minute or so.

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if relevant i'm using:

console.writeline("uploading");  ftpwebrequest request = (ftpwebrequest)webrequest.create("ftp://domain.tld/file.json"); request.method = webrequestmethods.ftp.uploadfile; request.credentials = new networkcredential("username", "password"); streamreader sourcestream = new streamreader("file.json"); byte[] filecontents = encoding.utf8.getbytes(sourcestream.readtoend()); sourcestream.close(); request.contentlength = filecontents.length; stream requeststream = request.getrequeststream(); //it gets stuck on line requeststream.write(filecontents, 0, filecontents.length); requeststream.close(); console.writeline("uploaded"); 

solution: same source provided url on line 2 "ftp://ftp.domain.tld/file.json"