Using (WebClient client = new WebClient())Ĭlient.Credentials = new NetworkCredential(Tools.FtpUserName, Tools.FtpPassword) Ĭlient. The reason is simple: Sending PASV is only the first step. These quote PASV or literal PASV commands are dummy, they actually dont do anything. Here is my code public static bool DownloadDocument(string ftpPath, string downloadPath)ĭirectory.CreateDirectory(Tools.LocalPath) The FTP.exe included in Windows does NOT support Passive mode and never has. I checked the code, in the error, it was allways some different ports indicatd.Īfter some search I found that I had to add 49152-65534 among allowed ports. I had the same famous error: 227 entering passive mode. For some security reasons, I activated the firewall, and ofcourse I added an inbound rule to the firewall to allow 20 and 21 ports. In my case, I was downloading some files from a Windows Server 2016. So, I know this is a late answer but I wanted to share my experience in case someone will have the same thing. Uncheck Use Passive FTP for the firewall. The remote server returned an error: (500) Syntax error, command unrecognized”. Open an Internet Explorer window on the FTP server side and select Tools > Internet Options > Advanced. If I use reqFTP.UsePassive=false then i get “ Getting exception at reqFTP.GetRequestStream(). MessageBox.Show(ex.Message, "Upload Error") ReqFTP.Method = ĬontentLen = fs.Read(buff, 0, buffLength) "ftp://" + ftpServerIP + "/" + fileInf.Name)) ReqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri( Now ftp to an ftp site and verify dir or ls respond properly. Select Program, then C:WindowsSystem32ftp.exe, Allow the connection, Check options Domain, Private, Public (you can restrict later if need be), name the rule and youre done. but cannot upload file with this code string uri = "ftp://" + ftpServerIP + "/" + fileInf.Name We resolved this issue using the Windows Firewall New Inbound Rule Wizard. Stream ftpStream = response.GetResponseStream() IIS will let you configure the ports that the FTP server will use for passive mode. ReqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword) įtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse() New Uri("ftp://" + ftpServerIP + "/" + dirName)) For some reason, the service stopped working (well over a year ago, before I was given the project). The service connects to a 3rd party server, downloads a csv file and then processes it. I inherited a Windows service from another developer. ReqFTP = (FtpWebRequest)FtpWebRequest.Create( I am having a problem connecting a Windows service to an FTP site. dirName = name of the directory to create. for example, i can create a directory with this code FtpWebRequest reqFTP tried some code samples, but alway getting this error, entering passive mode.
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