Installing OSSEC 2.8.3 on CentOS 7 Client Server mode

In this how to we will be installing OSSEC Host based intrusion detection system on CentOS 7. We will be using clinet/server deployment which is recomended way to deploy OSSEC on the network where more then one system will be monitored.

Secure OpenSSH with Key based authentication and TCP Wrappers

SSH-Secure Shell was created to provide secure mechanism for data transfer between source and destination hosts on IP based network. SSH uses encryption techniques and digital signatures data checking to ensure security of data being transferred. OpenSSH is free and open source. It also supports additional features like tunnelling, TCP port forwarding and X11 forwarding.