Category: 'Guide'

Introduction to BGP Routing and Security - Part 2: Preventing Transit

Preventing your autonomous system from becoming a transit AS.

Saturday 31st October 2020

BGP DN42 Guide

Introduction to BGP Routing and Security - Part 1: BGP Peering with Quagga

Installing and configuring the Quagga network routing software suite and establishing a BGP peering session to exchange routing information.

Monday 1st June 2020

BGP DN42 Guide

Using SPF Macros to Solve the Operational Challenges of SPF

Improving the maintainability, auditability and effectiveness of your SPF policy using SPF macros.

Monday 11th May 2020

Security RFC Guide

Introduction to BGP Routing and Security - Prelude: Connecting to the DN42 Overlay Network

Registering your own AS (Autonomous System) and IP address ranges in the DN42 registry, and then connecting to a peer with a VPN tunnel.

Tuesday 31st March 2020

BGP DN42 Guide

Understanding PGP/GPG Key Server Output

A reference guide to PGP/GPG key server search output.

Saturday 26th October 2019

Security Guide

Deploying a Tor Onion v3 Hidden Service Using Ansible

Using the Ansible configuration management tool to automatically deploy a Tor Onion v3 Hidden Service to a Linux machine.

Monday 16th September 2019

Security Tor Guide

Serving security.txt Using a Cloudflare Worker

If your Content Management System or hosting provider doesn't allow you to host a proper security.txt file, you can instead use Cloudflare Serverless Workers to serve the file directly from Cloudflare.

Wednesday 31st July 2019

Security Guide

Restricting and Locking Down SSH Users

Restricting SSH users to specific commands, directories and system access.

Sunday 13th January 2019

Security Guide

Introduction to Reverse Engineering with radare2 Cutter - Part 3: Solving a Crackme Challenge

Solving a beginner crackme challenge using radare2 Cutter.

Saturday 5th January 2019

Reverse Engineering Guide

Introduction to Reverse Engineering with radare2 Cutter - Part 2: Analysing a Basic Program

Analysing a basic program using static analysis in radare2 Cutter.

Saturday 17th November 2018

Reverse Engineering Guide

Booting a Physical Windows 10 Disk Using VirtualBox on Linux

Configuring VirtualBox on Linux to boot a physical Windows 10 disk connected via SATA or USB.

Friday 9th November 2018

Virtualisation Guide

Introduction to Reverse Engineering with radare2 Cutter - Part 1: Key Terminology and Overview

An overview of some key reverse engineering terminology and details on the various interfaces and tools available in radare2 Cutter.

Tuesday 23rd October 2018

Reverse Engineering Guide

Using a Public Wi-Fi Hotspot Securely

Connecting to hotel Wi-Fi through a Raspberry Pi and forwarding an external VPN connection.

Tuesday 8th May 2018

Security Guide

Registering a Namecoin .bit Domain

Using Namecoin Core to register a .bit domain and setting up ncdns.

Tuesday 16th January 2018

Security Namecoin Guide

How to Install and Configure 'InspIRCd' on Linux

In-depth guide for installing and configuring InspIRCd on Linux.

Tuesday 16th May 2017

Guide IRC