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    <p>After some experimentation I came up with this way to automate a secure FTP download in PowerShell. This script runs off the <a href="http://www.secureftp-test.com/" rel="noreferrer">public test FTP server</a> administered by Chilkat Software. So you can copy and paste this code and it will run without modification.</p> <pre><code>$sourceuri = "ftp://ftp.secureftp-test.com/hamlet.zip" $targetpath = "C:\hamlet.zip" $username = "test" $password = "test" # Create a FTPWebRequest object to handle the connection to the ftp server $ftprequest = [System.Net.FtpWebRequest]::create($sourceuri) # set the request's network credentials for an authenticated connection $ftprequest.Credentials = New-Object System.Net.NetworkCredential($username,$password) $ftprequest.Method = [System.Net.WebRequestMethods+Ftp]::DownloadFile $ftprequest.UseBinary = $true $ftprequest.KeepAlive = $false # send the ftp request to the server $ftpresponse = $ftprequest.GetResponse() # get a download stream from the server response $responsestream = $ftpresponse.GetResponseStream() # create the target file on the local system and the download buffer $targetfile = New-Object IO.FileStream ($targetpath,[IO.FileMode]::Create) [byte[]]$readbuffer = New-Object byte[] 1024 # loop through the download stream and send the data to the target file do{ $readlength = $responsestream.Read($readbuffer,0,1024) $targetfile.Write($readbuffer,0,$readlength) } while ($readlength -ne 0) $targetfile.close() </code></pre> <p>I found a lot of helpful information at these links</p> <ul> <li><a href="http://www.techtalkz.com/microsoft-windows-powershell/190388-ftp-downloads-encoding-problems.html" rel="noreferrer">FTP downloads: encoding problems</a></li> <li><a href="http://www.codeproject.com/KB/IP/SimpleFTPDemo.aspx" rel="noreferrer">Simple FTP demo application</a></li> <li><a href="http://rcovelo.blogspot.com/2008/10/powershell-very-simple-ftp-client.html" rel="noreferrer">Very Simple FTP Client</a></li> </ul> <p>If you want to use an SSL connection you need to add the line</p> <pre><code>$ftprequest.EnableSsl = $true </code></pre> <p>to the script before you call GetResponse(). Sometimes you may need to deal with a server security certificate that is expired (like I unfortunately do). There is a page at the <a href="http://poshcode.org/634" rel="noreferrer">PowerShell Code Repository</a> that has a code snippet to do that. The first 28 lines are the most relevant for the purposes of downloading a file.</p>
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    1. POWhat's the best way to automate secure FTP in PowerShell?
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    1. CO+1 for finding and posting a code solution on this. However, it would be great to see some comments in the code. By secure I assume you mean a user/pass is provided and not necessarily SFTP?
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      1. USScott Saad
    2. CO@Scott - Thanks for your feedback. I added some comments to the code which will clarify things. I also added some information about connecting over SSL. I hadn't thought of this earlier.
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    3. COUseful code, but it doesn't solve your problem of dealing with the unique filename
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      1. USDavid Gardiner
 

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