Hi Digineer,
For the FtpWebRequest, it will need to add client certificate if you're
communicating with a FTP server that use SSL channel and require client
certificate. To add client certificate, it is the same as using
HttpWebRequest, in .net framework 2.0, the
"System.Security.Cryptography.X509Certificates" namespace has much enhanced
the functionality of processing X509 certificates(from windows certificate
store or certificate file). Here is a very simple code snippet that query
a certificate (through its thumbprint ) and add it into the FtpwebRequest:
==============================
protected void Button1_Click(object sender, EventArgs e)
{
FtpWebRequest request = WebRequest.Create("ftp://ftp.mysite.com")
as FtpWebRequest;
request.Method = WebRequestMethods.Ftp.ListDirectory;
request.Credentials = new NetworkCredential("username", "password");
//query certificate from store
string tp = "2b6f8ac51a85cbaf429474a55304313968667611";
X509Store store = new X509Store(StoreName.My,
StoreLocation.CurrentUser);
store.Open(OpenFlags.ReadOnly);
X509Certificate2 cert2 =
store.Certificates.Find(X509FindType.FindByThumbprint, tp, true)[0];
store.Close();
//add certificate into webrequest component
request.ClientCertificates.Add(cert2);
FtpWebResponse response = request.GetResponse() as FtpWebResponse;
Response.Write("<br/>response code: " + response.StatusCode);
StreamReader sr = new StreamReader(response.GetResponseStream(),
Encoding.UTF8);
//Response.Write("<br/>response: " + sr.ReadToEnd());
TextBox1.Text = sr.ReadToEnd();
sr.Close();
response.Close();
}
===============================
In addition, here are some other articles introducing working with
FtpWebRequest class or the .NET framework 2.0 certificate components:
#adarsh's blog : FtpWebRequest
http://blogs.msdn.com/adarshk/rss.aspx?CategoryID=7225
#Support Certificates In Your Applications With The .NET Framework 2.0
http://msdn.microsoft.com/msdnmag/issues/07/03/NETSecurity/#S4
Sincerely,
Steven Cheng
Microsoft MSDN Online Support Lead
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ispose()
Releasing FTP connection#25929087.)