Networking - Spans' Blog

6U desktop network rack build

My "core" LAN network consists of two rackmounted switches and a router. After moving into a new apartment, I didn't want to keep them in a zero-ventilation closet on the

Networking

I thought PiHole was kinda bad so I made my own

TL;DR: it's a Rust binary called Singularity (because of the gravity lists, domain blackholing? it sounds cool don't judge). You give it sources for malicious domains and it outputs a Lua script that the PowerDNS Recursor uses to automatically respond with a null

Networking

Why your port-forward doesn't work

There's a million and then some guides online that tell you how to set up a port-forward in your home router box, but what about when the forward doesn't actually work? In this post I've collected the common reasons why after a port-forward you

Networking

Why I'm not recommending VyOS anymore and how I built my own

I used to like VyOS quite a lot as a general-purpose lightweight Linux-based easily virtualised router appliance. It didn't really have anything to complain about, other than the fact that the latest build for its version 1.1.8 was released late-2017. Starting October

Networking

Hyper-V Server 2016 + Intel I350 = weird problems

I have a two-node Hyper-V failover cluster where both nodes have a four-port gigabit PCI-e NIC installed for additional reduntant network ports. The first node has an older Intel PRO/1000, whereas the other one has the PRO/1000's new brother the I350. The

Networking

VyOS RADIUS user authentication

Authenticating VyOS users with RADIUS is easy, but there's a couple of gotchas you should know of. How to actually do itYou can configure one or more RADIUS servers for authentication under system login: set system login radius-server 192.168.0.100 secret YourSharedSecretInPlainTextKeepItSafe