Strongswan IPSec (Including Cryptomap) to Microsoft Azure Virtual Network Gateway
We recently had to get a VPS Ubuntu server communicating through a Virtual Network Gateway (read IPSec concentrator) on Azure. We followed the documentation and…
Scanning Subnet for Issuing Certificate Authority with OpenSSL
I was asked a question if there was an easy way to scan an entire subnet and display not the certificate of each device or…
Easy(ish) IPSec VPN with Shared ECDSA Certificates for Host to Host Connections
Let me start off by saying that using certificates for your IPSec VPNs adds another layer of complexity onto your connections. However what I’ve tried…
How to Create a Site to Host VPN on Ubuntu for AWS, Azure and Linode with pfsense
This tutorial will guide you through setting up a VPN from your pfsense firewall router, to your Ubuntu server hosted in the cloud. Many of…
How to DNSPerf on Ubuntu 14.04 with Installation and Quick Start
It’s a shame that we don’t have the very awesome DNSPerf available in the Ubuntu repositories, however it’s very easy to install and well worth…
IPSec VPN Host to Host on Windows 2012 R2 and Ubuntu 14.04
After one of my recent tutorials about a host to host Linux VPN this post is a how to create a host to host VPN…
An Immature Way to Use Sudo
gyp@server12:~$ apt-get update E: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied) E: Unable to lock directory /var/lib/apt/lists/ E: Could not open…
Securing WordPress from Brute Force Attacks by Country Blocking on Nginx
After having looked after a number of WordPress websites over the last 7 years or so it has become apparent that the number of brute…
Installing LEMP on Ubuntu 14.04 with Nginx and NAXSI
Well, after my last tutorial about getting a LEMP server on Ubuntu 11.10 I’m very happy to announce that the process is now a heck…
IPSec VPN Host to Host on Ubuntu 14.04 with strongSwan
After spending a crazy amount of time trying to find something up to date regarding network security and host to host VPN I decided to…