11/11/2023 0 Comments Debian as a gateway![]() ![]() ![]() I have chosen Ubuntu because it’s very simple to install, and has all the software we need available in the repositories, but you can use any other distribution if it suits your needs.Īlso, throughout this guide I will assume a setup like this: You may want to install more than two cards, in case you need to route several LANs. We’ll be setting up each of these services in the next posts, for now: Preliminary work, the hardware setupīefore you setup any services, you are going to need two things: first two network cards, one for the outgoing connection and another one for the (switched) LAN, and a way of telling your server that you want all traffic from network 1 forwarded to network 2. ![]() Service forwarding, to expose internal services to an external network.In this case, we have chosen a Linux server, so we need to figure out which services are provided by the router and then emulate them someway: I’m going to write about how can you setup a regular Linux distro to be your border router/gateway for your LAN, but for easy of use I’ll base my examples on Ubuntu.Īs expected, if we are going to replace a device, say, a router, we need to replace it with something that can provide the same functionality. My addition to the usual “setting up a linux gw guide”: I’ll do it using Virtualbox first, so I can test my setup before actually deploying it. Yes, there are a lot of guides for this, but since I needed to document how I did it, I might as well write a post about it here. Setting up a Linux GW or router is not as hard as it may seem, as long as you are reading a friendly enough guide. ![]()
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