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SecureCRT/SecureFX/SFXCL cannot force the remote machine to accept its connection request.Īddress the situation by checking with the admin of the remote machine to make sure there are no connection filters in place to prevent successful connection. The remote server to which you're trying to connect may not accept connections from your machine.SecureCRT/SecureFX/SFXCL is on a machine that has a hardware/software firewall or proxy that is not allowing the machine to make outgoing connections.Īddress the situation by properly configuring the hardware/software firewall/proxy to allow for outgoing connections.SecureCRT/SecureFX/SFXCL is being blocked by local application monitoring and control software that is preventing SecureCRT/SecureFX/SFXCL from making outgoing network connections on this machine.Īddress the situation by adding an exception to the monitoring and control software to allow SecureCRT/SecureFX/SFXCL to successfully make outgoing network connections.

This is usually caused by one of these scenarios, all of which are outside SecureCRT's/SecureFX's/SFXCL's ability to fix/resolve: The connection was not established, so no data (bytes) could be sent and no data could be received. In this situation, SecureCRT/SecureFX/SFXCL has asked the operating system to make a TCP connection to the specified host/address.

This article addresses two common scenarios you might see in a SecureFX/SFXCL log, or in SecureCRT with Trace Options debug output enabled ( File > Trace Options).Ĭonnected for s seconds, 0 bytes sent, 0 bytes received

It might also be caused by an application installed on your system that restricts/controls an application's ability to even make outgoing network connections - in which case an exception may need to be added in order for SecureCRT, SecureFX, or SFXCL to successfully make an outgoing network connection. This could be caused by a misconfigured firewall (either hardware or software), a switch, router or some other device between you and the server that is not allowing the connection to go through to the remote server or not relaying back its response. In SecureCRT, SecureFX, or SFXCL, if an SSH/SFTP connection attempt fails, it may be that the network connections from your app/computer are being blocked from successfully making outgoing connections.