IT hands-on

DNS poisoning changes the HOSTS file - maps hostnames to addresses - . It works by changing an IP addresses to point to a malicious site instead of the

<b><i></i></b> <b><i> Setting up a honeypot with netcat: </i></b><b><i></i></b><b><i> </i></b> Honeypots are computer environments used as a "bait" to detect unauthorized access attempts. <b><i> Setting up a

<b><i></i></b> <b><i> The three-way handshake:</i></b><b><i></i></b><b><i> </i></b><b><i></i></b><b style="color: #2b00fe;"><i><b><i> The nmap tool:</i></b> </i></b> The nmap tool allows us, among other things, to do a UDP or TCP scan of the network ports on a network of hosts. <b><i>

<b><i></i></b> <b><i> TLS with openssl (ssh example):</i></b> A certificate is used to ascertain the identity of the servers and also to encrypt the connection between a client and

Iptables packet filtering has three elements to it: Tables : We are going to use the FILTER table since it is the most used.  The filter table as its na

In an SElinux-enabled system, every object (files, processes, sockets,...) has a security context or a label assigned to it. SElinux gives application