Introduction to Network security

Download a free Network security training course material ,a PDF file unde 16 pages by Matt Curtin.

The network security is a level of protection wich guarantee that all the machines on the network are working optimally and the users machines only possess the rights that were granted to them.

It could be :

• prevent unauthorized persons to act on the system maliciously
• to prevent users from executing unintended functions can harm the system
• secure data by providing breakdowns
• ensure non-interruption of a service

How to protect yourself?

• keep yourself informed
• knowledge of the operating system
• reduce network access (firewall)
• reduce the number of entry points (ports)
• set an internal security policy (passwords, launch executables)
• deploy security utilities (logging)

Table of contents

• Introduction to Networking
• The ISO/OSI reference Model
• What are some popular Network
• TCP/IP the language of the internet
• Understanding IP
• Types and sources on Network threats
• Denial of service
• Destructive behavior
• Confidentiality breaches
• Firewalls
• Application gateways
• Hybrid systems
• Secure network devices
• Virtual private Network