OPEN SSHV2 IN REDHAT LINUX

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