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560

answers:

1
Q: 

Transfer files over FTPS (SSL/TLS) using C#.Net

I'm writing an application that syncs files over an FTP site. Right now it's working by connecting through regular FTP, but now our IT guys want to set this up over a secure FTPS connection.

They provided me with a .cr certificate file. If I open the file in notepad I see something like this (but with real keys not foobar obviously).

-----BEGIN RSA PRIVATE   
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
-----END RSA PRIVATE KEY-----
-----BEGIN CERTIFICATE-----
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
FOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR    
-----END CERTIFICATE-----

How can I use this certificate file to connect to the FTPS server to upload and download files? Forgive me but I'm very new to anything involving transferring files over a network, secure connections, certificates, public keys, private keys, etc...etc...

I think I'd want to use an FtpWebRequest object and set the EnableSsl property to true. But I'm not not sure where this certificate file comes into play.

A: 

This article explains how to do it, with source code.

Eric J.  2009-10-08 00:23:19
I'm looking at that article and a copy of the source code. But I can't figure out where I would add in this certificate file.
Eric Anastas  2009-10-08 02:16:21

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