openbsd - Obtuse Networking

Obtuse Networking

openbsd

A collection of 14 posts

Self Hosting: Episode 2 - Firewall

Software Used: * OpenBSD 7.7 Introduction The firewall will separate the segments and provide protection for services that must cross the segment boundaries. To that end firewall will have several interfaces. To keep rules as manageable as possible we will treat all hosts behind each segment/interface the same. This

Notes on DPI...

Notes on DPI...

Some quick notes on setting DPI for High Density Displays and X11.

HA @ Home

At work I had build a global, highly redundant, scalable network that always provided best experience no matter what was thrown at it. At home... well, you've heard of the cobblers children?

BYOES: Part 2 - Reading Mail

BYOES: Part 2 - Reading Mail

Setting up an IMAP server using Dovecot on OpenBSD

BYOES: Build Your Own Email Server on OpenBSD

BYOES: Build Your Own Email Server on OpenBSD

One of the big lie's of the Internet is that "email is hard and you shouldn't do it yourself".

Giving packets a label

Giving packets a label

One of the things I like about OpenBSD is that it has so many ways to communicate with other systems. Today I explore building an MPLS network using OpenBSD.

OpenBSD + VMD + autoinstall

OpenBSD + VMD + autoinstall

OpenBSD comes with a very simple, very nice hypervisor called vmd(8). This hypervisor is not a full featured as others, but it does a reasonable job of running VMs and makes it really convenient to spin-up a virtual environment for testing configurations. There are other articles on setting up

OpenBSD + LDAP

You have a bunch of user accounts that you want to keep synchronized across multiple systems and services. How would you do that?

DNS64 + NAT64 on OpenBSD

DNS64 + NAT64 on OpenBSD

What do you do when your machines only communicate on IPv6 and you need to connect to an IPv4 only service? Translate.

OpenBSD + Wireguard

OpenBSD + Wireguard

Is Wireguard just another way to secure communications? Maybe... but let's take a look.

OpenBSD + GRE + IPSec

OpenBSD + GRE + IPSec

Setting up GRE+IPSec is easy... right?!

Quest for a Window Manager

Quest for a Window Manager

To be frank, I was never really in love with the mainstream window managers.

DNS at home

First let me clarify what I'm talking about in this article. This article is about running recursive DNS servers for your home LAN. If you're still not sure what I'm talking about sit back and have a quick read, but know that this article

Anycast DNS...

Howto set up an AnycastDNS server using OpenBSD