INTRODUCTION Ipsec (IP security) is suite of protocols that provided security ate the network layer. Before entering Specific IPSec, do a few steps back and consider what it means to provide security layer of the network. The layer of the network being able to provide some degree of certainty whether all data carried by all IP datagram were encrypted. This means that whenever a host wants to send a datagram, it should encrypt the data field before sending…
The hostname command or dets the hostname. You can also use uname -n. The ping tool shows whether a basic connectivity with a given host is available. Traceroute display the route that the packets take to travel to the destination. To identify the default getaway use route or netstat -nr. To log in remotely into a network host use the slogin command: slogin…
The Nmap aka Network Mapper is an open source and a very versatile tool for Linux system/network administrators. Nmap is used for exploring networks, perform security scans,network audit and finding open ports on remote machine. It scans for Live hosts, Operating systems, packet filters and open ports running on remote hosts. How to Install NMAP in Linux Most of the…