Crypto algorithm could not be negotiated. (wodSFTP / wodSFTP.NET / wodSFTPdll)

by chris.miller@megaeasy.net, Wednesday, December 18, 2024, 16:39 (3 days ago) @ Jasmine

Hi.

Any chance we can connect there to see which crypto algorithms server support?

Regards,
Jasmine

unfortunately I can't because of regulation.
But here is the spec sheet they gave us. It has two columns. On the right is the connection I'm trying to make.

https://drive.google.com/file/d/1ihanni1zb_nWPemt_t5dNale7jR5tVay/view?usp=sharing

and here is the debug log from filezilla as an example of it connecting

Trace: CControlSocket::SendNextCommand()
Trace: CSftpConnectOpData::Send() in state 0
Status: Connecting to files.availity.com...
Trace: Going to execute C:\Program Files\FileZilla FTP Client\fzsftp.exe
Response: fzSftp started, protocol_version=11
Trace: CSftpConnectOpData::ParseResponse() in state 0
Trace: CControlSocket::SendNextCommand()
Trace: CSftpConnectOpData::Send() in state 3
Command: open "*****@files.availity.com" 22
Trace: Looking up host "files.availity.com" for SSH connection
Trace: Connecting to 199.116.188.45 port 22
Trace: We claim version: SSH-2.0-FileZilla_3.68.1
Trace: Connected to 199.116.188.45
Trace: Remote version: SSH-2.0-AWS_SFTP_1.1
Trace: Using SSH protocol version 2
Trace: Doing ECDH key exchange with curve nistp256 and hash SHA-256 (unaccelerated)
Trace: Host key fingerprint is:
Trace: ssh-ed25519 255 SHA256:Y9eKTIbPMgStKTOOGhtA+zTYakwJoHNNHqjEXVIHAgg
Trace: Initialised AES-256 GCM outbound encryption
Trace: Initialised AES256 GCM outbound MAC algorithm (in ETM mode) (required by cipher)
Trace: Initialised AES-256 GCM inbound encryption
Trace: Initialised AES256 GCM inbound MAC algorithm (in ETM mode) (required by cipher)
Status: Using username "*****".
Command: Pass: ********
Trace: Sent password
Trace: Access granted
Trace: Opening main session channel
Trace: Opened main channel
Trace: Started a shell/command
Status: Connected to files.availity.com
Trace: Remote working directory is /
Trace: CSftpConnectOpData::ParseResponse() in state 3
Trace: CControlSocket::ResetOperation(0)
Trace: CSftpConnectOpData::Reset(0) in state 3
Trace: CFileZillaEnginePrivate::ResetOperation(0)
Trace: CControlSocket::SendNextCommand()
Trace: CSftpListOpData::Send() in state 0
Status: Retrieving directory listing...
Trace: CSftpChangeDirOpData::Send() in state 0
Trace: CSftpChangeDirOpData::Send() in state 1
Command: pwd
Response: Current directory is: "/"
Trace: CSftpChangeDirOpData::ParseResponse() in state 1
Trace: CControlSocket::ResetOperation(0)
Trace: CSftpChangeDirOpData::Reset(0) in state 1
Trace: CSftpListOpData::SubcommandResult(0) in state 1
Trace: CControlSocket::SendNextCommand()
Trace: CSftpListOpData::Send() in state 2
Trace: CControlSocket::ResetOperation(0)
Trace: CSftpListOpData::Reset(0) in state 2
Status: Directory listing of "/" successful
Trace: CFileZillaEnginePrivate::ResetOperation(0)
Trace: Got eof from child process
Trace: CControlSocket::DoClose(64)
Trace: CControlSocket::ResetOperation(66)
Trace: CFileZillaEnginePrivate::ResetOperation(66)