May 24, 2010  As of last night, when I attempt to log into the system with PuTTY, here's what happens: It prompts me for a user name and accepts it. It then prompts me for a password, and it then immediately aborts with the message:'Server unexpectedly closed network connection'. I checked /var/cache/apt/archives/ to see if my last upgrade included an ssh. To create and save a new keep-alive connection, follow these steps: Open the PuTTY application, and go to the Options panel (labeled.

AdvertisementPossibilities are:. Shell.

Your account may not be allowed to start a shell at all. With some servers (like OpenSSH or Sun SSH), you may need to be allowed to start a shell, even if using SFTP protocol.

Transformers 4 optimus prime. Also some servers refuse to start a shell if your password has expired or your account was terminated. Some shells do not work with non-interactive sessions. Built in isight driver windows 10 update.

The same is true for some configurations (or profiles used) for otherwise working shells. This commonly exhibits with with associated error message Try to force bash shell explicitly on of Advanced Site Settings dialog. Using instead of SCP is another option.

OpenSSH server may fail to start shell when chroot is configured, but not possible (e.g. Due to group writeable permissions to chroot directory). Some environments require specific permissions (e.g. 755) to files like.profile or.bashrc.

SFTP server. Your account may not be able to start SFTP server binary (e.g. /bin/sftp-server) or the binary is not present on your server. Your SSH server may also lack the SFTP subsystem. SSH server:. Your SSH server, particularly OpenSSH, may not be able to access the server key files, due to an incorrect permissions.In a Middle of Session.