• gesicherte Authentification von Rechnern und Benutzern
• verschlüsselte Datenübertragung
• Manipulationserkennung
• SSH bezeichnet sowohl das kryptographische Protokoll als auch die konkrete Implementierung
• SSH existiert in den Versionen 1 und 2

• ssh (rlogin,rsh,telnet)
• scp (rcp)
• sftp (ftp)
• ssh -l user hostname [command]
• ssh user@hostname [command]
• rlogin -l user hostname
• rsh -l user hostname command
• ssh -p port
• ssh -F ssh_config
• scp localfile user@host:remotefile
• scp user@host:remotefile localfile
• scp -p port
• scp -F ssh_config
• scp -r
• sftp -oPort=port
• sftp -F ssh_config
• ssh-keygen [-t rsa1|rsa|dsa]
• ssh-keyscan hostname
• /etc/rc
• /usr/sbin/sshd
• eigenständig startbar
• vom Inetd aus startbar
• sshd -p port
• sshd -f sshd_config
• sshd -h host_key_file
• /etc/ssh/ssh_host_key
• /etc/ssh/ssh_host_key.pub
• /etc/ssh/ssh_host_dsa_key
• /etc/ssh/ssh_host_dsa_key.pub
• /etc/ssh/ssh_host_rsa_key
• /etc/ssh/ssh_host_rsa_key.pub
• $HOME/.ssh/identity
• $HOME/.ssh/identity.pub
• $HOME/.ssh/id_dsa
• $HOME/.ssh/id_dsa.pub
• $HOME/.ssh/id_rsa
• $HOME/.ssh/id_rsa.pub
• $HOME/.ssh/authorized_keys
• /etc/ssh/ssh_known_hosts
• $HOME/.ssh/known_hosts
• /etc/ssh/ssh_config
• $HOME/.ssh/config
• RSAAuthentication no/yes
• PubkeyAuthentication no/yes
• PasswordAuthentication no/yes
• PreferredAuthentications
• Protocol
• Port
• /etc/ssh/sshd_config
• RSAAuthentication no/yes
• PubkeyAuthentication no/yes
• PasswordAuthentication no/yes
• Protocol
• Port
• PidFile
• $HOME/.ssh/environment
• /etc/ssh/sshrc
• $HOME/.ssh/rc
• $SSH_CLIENT
• $SSH_TTY

• openSSH (Scheriff)
• ssh
• ssh_config
• scp
• vgl. cp
• sftp
• ssh-keygen
• ssh-keyscan
• sshd
• sshd_config

• PuTTY (Autor)

• ScanSSH