The knowledge of our application ports and protocols is important for network security and management. In this video, you’ll learn about the popular application ports and protocols on your network.
Application Ports and Protocols – CompTIA Network+ N10-006 – 5.10 Read More »
The TCP/IP protocol suite is the most popular method of communication across our modern Internet. In this video, you’ll learn about the TCP/IP suite and the layers used to describe the functionality of this model.
The TCP/IP Suite – CompTIA Network+ N10-006 – 5.2 Read More »
A firewall is a complex device that can be easily misconfigured. In this video, you’ll learn about connectivity misconfigurations, security policy problems, and misconfigured ACLs or applications.
Troubleshooting Firewall Security Issues – CompTIA Network+ N10-006 – 4.7 Read More »
One common strategy of managing applications is to set specific restrictions on their use. In this video, you’ll learn about the advantages and disadvantages of white listing and black listing applications.
White Listing and Black Listing Applications – CompTIA Security+ SY0-401: 4.3 Read More »
Should you validate input data on the server, or on the client? In this video you’ll learn the advantages and disadvantages of using both of these validation strategies.
Server-side vs. Client-side Validation – CompTIA Security+ SY0-401: 4.1 Read More »
Our databases are the core of our applications. In this video, you’ll learn about SQL and NoSQL database technologies and the type of data we would store in each type of database.
SQL and NoSQL Databases – CompTIA Security+ SY0-401: 4.1 Read More »
A patching strategy for an application should be well designed. In this video, you’ll learn about application patch management, how different operating systems are patched, and some of the challenges with maintaining a well patched computing environment.
Application Patch Management – CompTIA Security+ SY0-401: 4.1 Read More »
You must first determine a baseline for application security before you can begin the process of hardening the technology. In this video, you’ll learn some best practices for security baselining and some techniques for hardening the operating system and application environment.
Application Configuration Baselining and Hardening – CompTIA Security+ SY0-401: 4.1 Read More »
An application is only as secure as its programming. In this video, you’ll learn about security coding, validating input, cross-site scripting concerns, and how to handle exceptions.
Secure Coding Concepts – CompTIA Security+ SY0-401: 4.1 Read More »
A fuzzing technique will try every possible type of random input to an application to see if a security problem can be found with the application’s programming. In this video, you’ll learn how fuzzing works and I’ll demonstrate fuzzing with an application in my lab.
