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CASP, Part 2: Network Security

with expert David Bigger


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CASP, Part 2: Network Security Trailer

Course at a glance

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Release date Release date 10/4/2016
Level Level Beginner
Runtime Runtime 1h 32m
Closed captioning Closed captioning N/A
Transcript Transcript N/A
eBooks / courseware eBooks / courseware N/A
Hands-on labs Hands-on labs N/A
Sample code Sample code N/A
Exams Exams Included


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Course description

Addressing for computer communications can be sometimes overwhelming to some but in this course we will give you an overview on IP and MAC addressing. We will talk about the source and destination addresses for network frames and packets. TCP and UDP will be discussed as well and how reliable these protocols may or may not be. The main focus is on network security where most attention will be placed on secure design practices and secure communications. Firewalls, DMZs, network access control and more will be discussed and how it can keep our networks and data more secure. We will talk about online security using SSL and TLS – those security protocols that keep your online banking secure. And all of this surfing wouldn’t be as easy without Domain Naming Services or DNS so we will talk about securing our DNS and try to steal some data from them.

Prerequisites

This course assumes that you have familiarity with information technology, basic networking, and basic security concepts. No scripting or “hacking” experience is required. Having windows command line experience as well as having administrative rights on your machine will be helpful.

Learning Paths

This course will help you prepare for the following certification and exam:
CompTIA Advanced Security

Meet the expert

David Bigger David Bigger is the lead trainer at Bigger IT Solutions. He has been information technology for a little over 20 years and has been training all over the US. He has worked with companies like US Military, Lockheed Martin, General Dynamics, Dominos Pizza, University of Utah and Expedia


Course outline



Secure Design

TCP-IP (33:31)
  • Introduction (00:33)
  • TCP/IP (00:30)
  • Layers (01:11)
  • Network Interface Layer (01:10)
  • Internet or Network Layer (00:59)
  • Transport or Host to Host Layer (01:44)
  • Application Layer (01:09)
  • TCP vs. UDP (00:45)
  • TCP (00:48)
  • TCP Flags (03:23)
  • TCP (03:44)
  • UDP (02:08)
  • Addressing (01:10)
  • IP Addressing (00:59)
  • IP Addressing - IPv4 (01:59)
  • Subnet Mask (03:10)
  • Classes of Addresses - IPv4 (05:55)
  • MAC Addressing (01:42)
  • Summary (00:25)
Secure Design (20:52)
  • Introduction (00:24)
  • Secure Design (00:47)
  • Firewalls (01:00)
  • Packet Filtering (01:38)
  • Stateful Packet Firewalls (01:22)
  • Application Gateway (01:19)
  • Placement (02:58)
  • Routers (01:21)
  • Switches (02:19)
  • Routers and Switches (01:59)
  • NAC (02:56)
  • DMZ (02:22)
  • Summary (00:22)
Secure Communication (32:47)
  • Introduction (00:28)
  • Secure Communications (00:30)
  • SSL (01:04)
  • SSL - Under the Hood (03:14)
  • TLS (01:19)
  • IPSec (02:05)
  • What Makes up IPSec (02:48)
  • IPSec Modes (01:01)
  • DNS (02:32)
  • DNS Zone Transfers (02:23)
  • DNSSEC (01:20)
  • Kerberos (01:42)
  • Kerberos Flow (01:52)
  • Demo: Wireshark (04:20)
  • Demo: Traffic (05:38)
  • Summary (00:23)
Zone Transfer Demo (05:15)
  • Introduction (00:31)
  • Demo: Zone Transfer (02:57)
  • Demo: Attempt Domain Transfer (01:16)
  • Summary (00:30)