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Tip of the Day
Language: .NET
Expertise: Beginner
Aug 6, 2010



Application Security Testing: An Integral Part of DevOps

Programmatically Upload a File to FTP Server in .Net

The following code snippet could be used to upload files to an FTP site. It uses the 'FtpWebRequest' and 'FtpWebResponse' classes from the System.Net namespace.

Using System.Net:
//Also include any other required namespaces here.

FtpWebRequest ftpRequest;
FtpWebResponse ftpResponse;
    //Settings required to establish a connection with the server
    this.ftpRequest = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://ServerIP/FileName"));
    this.ftpRequest.Method = WebRequestMethods.Ftp.UploadFile;
    this.ftpRequest.Proxy = null;
    this.ftpRequest.UseBinary = true;
    this.ftpRequest.Credentials = new NetworkCredential("UserName", "Password");
    //Selection of file to be uploaded
    FileInfo ff = new FileInfo("File Local Path With File Name"); //e.g.: c:\\Test.txt
    byte[] fileContents = new byte[ff.Length];
    //will destroy the object immediately after being used
    using (FileStream fr = ff.OpenRead())
        fr.Read(fileContents, 0, Convert.ToInt32(ff.Length));
    using (Stream writer = ftpRequest.GetRequestStream())
        writer.Write(fileContents, 0, fileContents.Length);
    //Gets the FtpWebResponse of the uploading operation
    this.ftpResponse = (FtpWebResponse)this.ftpRequest.GetResponse();
    Response.Write(this.ftpResponse.StatusDescription); //Display response
catch (WebException webex)
    this.Message = webex.ToString();
Deepak Choudhari
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