This is the third post in a series on networking. If you are joining late, please read the first and second posts before going forward. Today’s post is going to build on the previous two posts, and we are going to discuss the protection of your network. I’d like to start by saying that network [...]

In my last post, I talked about the underpinnings of networking at the lower layers. This post is going to talk about NAT: network address translation. NAT is almost as universal as IPv4 networking, and is used nearly universally on home and small-and-medium-sized business networks—with good reason, too: Having more than one IPv4 address carries [...]

There are a number of things that I did not address in my post yesterday. My only goal in that post was to illustrate a (rather simple) network that had four subnets. I probably should have posted this article first, but I did not really think about that. This post is going to be somewhat long [...]