Blog

DMR Setup on Anytone D878UV with APRS/SMS

Fri, 11/13/2020 - 21:32

The Anytone D878UV is quite a nice DMR (Digital Mobile Radio) capable radio packed with features like APRS (Reporting only), Bluetooth and GPS. It's no surprise that this is my favourite DMR radio and I can recommend it if you are getting started with DMR for the first time. This post will help you get DMR up and running on your Anytone D878UV.

BGP Hijacking - What is it and how to prevent it?

Wed, 09/30/2020 - 17:04

BGP stands for Border Gateway Protocol, more commonly known as the system that keeps the internet (and by definition, routing) working correctly. Sometimes misconfigurations (Like accidentally announcing a wrong prefix) can break the internet. In this blog post, I will explain BGP Hijacking and how to prevent it. Primarily for people without network experience.

Generating IPv6 PTR records from a Bind9 Zonefile using Bash

Sun, 08/02/2020 - 15:05

The following script takes a Bind9 zonefile, gets all AAAA records from it and generated PTR records based on them.

What you need to do:

  1. Edit the Zone header in the script.
  2. Run the script with ./generate_v6_ptr.sh /path/to/zonefile.zone

This will output the zones on STDOUT. If you want to save this to a zonefile, you can use this example: ./generate_v6_ptr.sh /path/to/zonefile.zone > /etc/bind/ip6.arpa.zone

HTTP Basic Authentication with LDAP and Apache2

Sun, 06/21/2020 - 01:29

When you run an LDAP server you want to use it to authenticate as much as possible using this system, either to comply with security policies or make it easier for users to login using one authentication method. If you use the Apache2 webserver you can setup HTTP Basic authentication with LDAP. In this tutorial I will show how I accomplished this.