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SSH Pro - SSH client by Labtam

Date: 19 April 2001

SSHPro (Secure Shell) is a program for logging into a remote host (with installed a SSH server (sshd)) and for executing commands in a remote machine. It replaces telnet, rlogin and rsh, and provide secure encrypted communications between two untrusted hosts over an insecure network. X11 connections and arbitrary TCP/IP ports can also be forwarded over the secure channel.

SSHPro connects and logs into the specified host. The user must prove identity to the remote machine using one of several methods.

First, SSHPro implements the RSA authentication protocol. The user creates own RSA key pair by running the ssh-keygen program on the remote host. This stores the private key in .ssh/identity and the public key in .ssh/identity.pub in the user's home directory. The user should then copy the identity.pub to .ssh/authorized_keys in own home directory on the remote machine, and copy the identity file to the X-Server home directory. After this, the user can log in giving the passphrase. RSA authentication is high secure authentication.

The second authentication method is the password method. The password is sent to the remote host for checking, however, since all communications are encrypted, the password cannot be seen by someone listening on the network.

When the user's identity has been accepted by the server, the server logs into the machine and gives the user a normal shell on the remote machine. All communication with the remote shell will be automatically encrypted.



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