# Learn vLANs, Subnets, and NAT to Improve Your Network Security

![rw-book-cover](https://i.ytimg.com/vi/gk_kHgNhJVo/maxresdefault.jpg)

## Metadata
- Author: [[Jim's Garage]]
- Full Title: Learn vLANs, Subnets, and NAT to Improve Your Network Security
- Category: #articles
- Document Tags: [[homelab]] 
- URL: https://www.youtube.com/watch?v=gk_kHgNhJVo
- Archive: https://web-archive.alecodes.page/bookmarks?bf=1&search=&title=Learn%20vLANs%2C%20Subnets%2C%20and%20NAT%20to%20Improve%20Your%20Network%20Security
> [!tldr]
> This text explains how to set up a static IP address, configure subnets, and use VLANs and NAT for better network security. It emphasizes the importance of organizing your network into different subnets and assigning VLAN tags for improved traffic management. The author also highlights the role of firewalls in controlling access to various devices on the network.

## Highlights
that's pretty much how op works it would know that your tablet is making an internet request even though it's coming from that same ISP IP address therefore we're able to break down One external IP address into multiple
internal addresses [View Highlight](https://read.readwise.io/read/01j54cajqj3xyfj1eemhcmsvqw))
> [!note]
> NAT in a nutshell

what it does is it takes a single wire and it splits it up into lots of little wires now if you do that right through proper subnetting and VLAN tagging you can introduce security but it's dependent on making sure that you put the right devices in the right subnets and you control or access those protocols those IP addresses with strict firewall rules [View Highlight](https://read.readwise.io/read/01j54hz2c5z7kpt964rxs33095))

