Posts

Fixing a PMTUD Black hole is a multistep process, and it starts with finding the correct MTU/MRU of your link. In this post, I will …

In this post, I’m going to talk about what IP fragmentation is, how it works and why it’s needed. And while learning that, …

Recently I had to install OpenVPN on a system running Windows XP (Don’t ask). The installation went smoothly up until TAP driver …

Much has been changed since my last post about LUKS remote unlock workaround. This is the updated version on how to set things up …

I like Kaspersky anti-virus, and I use it regularly… (Not on my own PC mind you, but on the clients)

While I do believe they …

Compatibility issues arises when using OpenDKIM/OpenDMARC Unix sockets with chrooted Postfix installation. In this post you will learn …

In this post i will give you a brief history of UAC, an overall overview, and how programmers abuse the system. I also talk about …

Not so long ago, remote unlocking of a LUKS-encrypted root partition was difficult to setup. While essential for headless servers, all …

Recently I was in need of setting up some windows clients to connect to my OpenVPN server. This server running on Linux, uses a …

In the previous post, I talked about OpenVPN TCP and UDP tunnels and why you should not be using TCP. In this post, I’m going to …