If you’re looking through pages of protocol decodes or log files, you’ll need a working knowledge of the most popular network port numbers. In this video, you’ll learn about port numbers and you’ll learn the value of the most common port numbers.
When managing a router, it’s important to ensure that your management traffic is secure. In this video, you’ll learn how to make sure that your router configuration files and network traffic are secure.
There are a number of important security components that should be part of our normal computer use. In this video, you’ll learn the fundamentals of communicating securely over the network and using the Windows Firewall to protect your computer from attack.
There are many network troubleshooting tools available at the command line. In this video, you’ll learn how to use tools such as ping, tracert, nslookup, netstat, and many others.
The security of the devices on our network must be managed through both physical and technological means. In this video, you’ll learn the importance of good physical security, methods to restrict local and remote access to our devices, and the applications and protocols that you can use to build a more secure networking environment.