OPEN SSHV2
Features:
1. Provides data encryption services based on PKI - Confidentiality
2. Primarily used to protect the transport layer
3. Encrypted shell sessions, file transfers
4. Password-less logins
5. Port forwarding - Pseudo-VPN
SSH Clients:
/etc/ssh/ssh_config - shared system-wide config file for SSH clients
1. scp - secure, non-interactive, copy program
•scp sample.txt linuxcbt@linuxcbtmedia1:
•scp linuxcbt@linuxcbtmedia1:testRH5/sample.txt sample2.txt
2. sftp - secure, interactive, FTP-like, copy program
•sftp linuxcbt@linuxcbtmedia1
3. ssh - shell-based client
•ssh linuxcbt@linuxcbtmedia1
•ssh linuxcbt@linuxcbtmedia1 "uptime"
4. ssh-copy-id - permits easy propagation of SSH pub/priv keypair
•ssh-copy-id -i ~/.ssh/id_rsa.pub root@192.168.75.10
5. ssh-keygen - used to generage SSH pub/priv keypair
Note: Use '-v' with SSH clients to enable verbosity
•ssh-keygen -t rsa
Task:
•Setup Password-less logins using SSH