SSH / SFTP – Too much time between connect and authentication

The Solution: Issue solved.   The problem was, that we stepped through the code and because of that too much time elapsed between connect and authentication.  As we ran the program without breakpoints it worked. The Problem: The AuthenticatePw method failed and the LastErrorText contained this information: ChilkatLog: AuthenticatePw: DllDate: Jan …

F-SECURE SSH/SFTP Servers Require Client Identifier to be PuTTY?

We’ve discovered that F-SECURE SSH/SFTP servers will disconnect during authentication if the SSH client identifier is “SSH-2.0-ChilkatSSH_2.0.0”. This may be overridden by setting the ClientIdentifier property to mimic PuTTY by using a string such as: “SSH-2.0-PuTTY_Local:_May_15_2009_16:25:24”

SSH: Failed to read 1st key exchange packet

Here’s an explanation for the following error message: Established TCP/IP connection with SSH server FromServer: SSH-1.5-Cisco-1.25 numBytesRequested: 8 Connection closed by server. Failed to read data on SSH connection. Failed to read 1st key exchange packet Failed. The error message indicates that as soon as the TCP/IP socket connection was …

SSH Tunneling (Port Forwarding)

SSH Port Forwarding (or tunneling) allows you to tunnel any TCP connection through an SSH server. For example, consider a database connection: A direct TCP connection: DbClient <—-TCP—-> DbServer An SSH tunneled connection: DbClient <—-TCP—-> SshClient <====SSH====> SshServer <—-TCP—-> DbServer In a tunneled connection, the application connects through an SshClient …

SSH direct-tcpip Port Forwarding (tunneling)

ASP: SSH Tunnel (Port Forwarding via direct-tcpip channel) SQL Server: SSH Tunnel (Port Forwarding via direct-tcpip channel) C#: SSH Tunnel (Port Forwarding via direct-tcpip channel) C++: SSH Tunnel (Port Forwarding via direct-tcpip channel) MFC: SSH Tunnel (Port Forwarding via direct-tcpip channel) C: SSH Tunnel (Port Forwarding via direct-tcpip channel) Delphi: …