OpnSense Chapter 1 Firewall Alias Categories Theoretical Practical 

This video is the chapter of a line of videos that I will be adding to learn Opnsense.
How to learn to use firewall rules, aliases, categories and how to read firewall logs to debug our rules.
I used a network emulating a company and we designed a series of browsing policies which we applied using the Opnsense firewall and its options such as aliases to protect our network in a way that helps us understand how that Opnsense module works.
In the aliases we create several where we store, IPs, urls and ports and to understand the potential of this section of the firewall.
We also created categories to try to have a more documented firewall that is easy to understand.
The purpose of everything is to understand all these tools to be able to carry out our policy for this network and in this way understand part of the power of Opnsense to protect small, medium and large networks.
And of course we also talk about how firewall processing works, which is important to understand when designing our policies.
And we explain various sections of the opnsense menu and help you understand the part of this section of Opnsense.
We use 3 computers and a server in the example, I have always been of the idea that there is nothing better than something practical of course with a little theory and a little experience to better understand what I am explaining.
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