C# sftp download and upload

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C#

FTP

Hey Everyone,

looking for an example on downloading and uploading from FTPS site, any help would be great!

Posted 11-Feb-13 14:30pm

bobb024

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Sergey Alexandrovich Kryukov · Accepted Answer · 2013-02-11T15:07:00

Solution 3

SFTP means SSH File Transfer Protocol: http://en.wikipedia.org/wiki/SSH_File_Transfer_Protocol[^].

As this protocol is not directly supported in .NET FCL, you will have to use some 3-rd party library. Please see:
http://sourceforge.net/projects/sharpssh/[^],
http://www.tamirgal.com/blog/page/SharpSSH.aspx[^],
http://www.routrek.co.jp/en/product/varaterm/granados.html[^],
http://www.eldos.com/sbb/sftp.net/sftp-net-cs-sample.php[^].

See also: http://www.dart.com/sftp-ssh-code-examples-samples.aspx[^].

You can try to find some more: http://bit.ly/XsXhy8[^].

—SA

Posted 11-Feb-13 15:07pm

Sergey Alexandrovich Kryukov

Updated 11-Feb-13 15:08pm

v2

Comments

Jaslier Alex 12-Jan-15 5:46am

I have used sharpssh, it's very well lib for .net
Thanks.

Sergey Alexandrovich Kryukov 12-Jan-15 14:12pm

Good. You are welcome. Will you accept the answer formally (green "Accept" button)?
—SA

Jaslier Alex 13-Jan-15 3:35am

Yes i accept your answer, but i haven't the gree button. :(

Sergey Alexandrovich Kryukov 13-Jan-15 10:43am

Opps! Thank you for telling me. I haven't seen that button for a long time as I have nothing to accept. What is that now?
—SA

martinv · Accepted Answer · 2013-10-08T04:09:00

SFTP, FTP or FTPS?

I'm a bit confused, because title says 'SFTP', tag 'FTP' and answer body 'FTPS'. They are not the same.

FTP - is the oldest one. Plain file transfer protocol run over unsecured communication channel.

FTPS (or FTP/SSL) is FTP run over TLS/SSL secured communication channel. TLS/SSL channel intialization can be done in flavours called 'explicit' or 'implicit'. See for more info on TLS/SSL implicit and explicit modes[^].

SFTP - another, completely unrelated file transfer protocol. SFTP stands for SSH File Transfer protocol.

More info can be found here:
http://www.rebex.net/kb/secure-ftp/default.aspx[^]

API support

FTP - supported via FtpWebRequest included in .NET
FTPS - implicit - supported in FtpWebRequest in .NET
FTPS - explicit - not support by .NET out of the box. You'll need a third party support.
SFTP - not support by .NET out of the box. You'll need a third party support.

For FTP I would suggest trying Rebex FTP/SSL[^] - it supports FTP, FTP/SSL implicit and FTP/SSL explicit.

For SFTP I would suggest Rebex SFTP[^]. If you get both of them you'll be even able to write code which uses both SFTP and FTP using common IFtp API[^].

Other options for SFTP was already mentioned on post above.