Hi!
I`m tryng to connect to a ftp-server which allows only a secure connection. Connecting with Flashfpx it works with both "auth ssl" and "auth tls", but when i try to do it with the menatils security-library and the example ftp-client i get this exception:

220 (glFTPd 2.00 Linux+TLS) ready.
AUTH TLS
234 AUTH TLS successful
Org.Mentalis.Security.SecurityException: An error occurs while communicating with the remote host. ---> Org.Mentalis.Security.Ssl.Shared.SslException: The server hello message uses a protocol that was not recognized.
at Org.Mentalis.Security.Ssl.Shared.CompatibilityLayer.ProcessServerHello(Byte[] bytes, Int32 offset, Int32 size) in D:\ssh-server\seclib-1.0\seclib\Security\Ssl\Shared\CompatibilityLayer.cs:line 80
at Org.Mentalis.Security.Ssl.Shared.CompatibilityLayer.ProcessHello(Byte[] bytes, Int32 offset, Int32 size) in D:\ssh-server\seclib-1.0\seclib\Security\Ssl\Shared\CompatibilityLayer.cs:line 71
at Org.Mentalis.Security.Ssl.Shared.SocketController.OnReceive(IAsyncResult ar) in D:\ssh-server\seclib-1.0\seclib\Security\Ssl\Shared\SocketController.cs:line 82
--- End of inner exception stack trace ---
at Org.Mentalis.Security.Ssl.SecureSocket.EndSend(IAsyncResult asyncResult) in d:\ssh-server\seclib-1.0\seclib\security\ssl\securesocket.cs:line 380
at Org.Mentalis.Security.Ssl.SecureSocket.Send(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags) in d:\ssh-server\seclib-1.0\seclib\security\ssl\securesocket.cs:line 326
at FtpClient.SendCommand(String command) in d:\csharpproggies\windowsapplication1\ftpclient.cs:line 146
at FtpClient.DownloadFile(Url url, Int32 choice) in d:\csharpproggies\windowsapplication1\ftpclient.cs:line 115
at FtpClient.Start() in d:\csharpproggies\windowsapplication1\ftpclient.cs:line 91
at FtpClient.Main(String[] args) in d:\csharpproggies\windowsapplication1\ftpclient.cs:line 48

I don´t have a clue how to solve this problem. So if you could gimme a hint, how to perform this successful, i´d be really glad

Azrael

I just noticed while browsing through older topics in this board, that there was no support for dhe/dss.
When connecting with FlashFXP it seems to use exactly those.

[R] AUTH SSL
[R] 234 AUTH SSL successful
[R] Connected. Negotiating SSL session..
[R] SSL negotiation successful...
[R] SSL encrypted session using cipher DHE-DSS-AES256-SHA (256 bits)
[R] PBSZ 0
[R] 200 PBSZ 0 successful

Is it now implemented in the seclib?
If i have to start with openssl, do you have any ressources which could give me a start using the library?

Azrael

Yes, the lack of support for DH cipher suites is probably why the connection is failing.

is that something we can look forward to anytime soon?
will it be implemented at all?