>If I have this code to use the FTP protocol to upload a file:
>
>

>                ' URI
>                lcURI = "ftp://" + cHost + lcPort + "/" + lcDrive + cRemoteDirectory + "/" + cRemoteFile
>
>                ' FTP setup
>                loFtpWebRequest = System.Net.FtpWebRequest.Create(New Uri(lcURI))
>                loFtpWebRequest.Credentials = New System.Net.NetworkCredential(cUsername, cPassword)
>                loFtpWebRequest.KeepAlive = False
>                loFtpWebRequest.Method = System.Net.WebRequestMethods.Ftp.UploadFile
>                loFtpWebRequest.UseBinary = True
>                loFtpWebRequest.ContentLength = lnFileLength
>

>
>What kind of adjustements will be required to support an FTP server access which would use a certificate?

IIRC it's just a matter of adding the certificate to the webrequest.ClientCertificates collection and setting EnableSsl to true ?