This is a guide to assist in defining security and common terms associated with security and give assistance
in how you can make your server more secure.
Lets cover some basic definitions first:
Security
The process of reducing vulnerabilities in your system that would allow someone from gaining administrative
access to your machine for any purpose including exploitation, destruction, or improper use of your system.
Vulnerability
A weakness in your system that can be used to breach the security of your system.
Exploitation
Using a vulnerability in your system to breach the the security of your system.
Port
A "door" to your system in which information is passed thru from one system to another.
Root Kit
A program designed to exploit a vulnerability to gain and maintain root/administrative access to a machine.
IP Chains
A set of rules "chained" together to determine how to handle data passing thru a network interface
IP Tables
A set of rules based on a table structure of rows and columns to determine how to handle data passing thru a network interface
Firewall
Software or hardware used to control access of data thru a network interface
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