Introduction This very short article is about port knocking and iptables. Port knocking allows a specific port to be opened when a sequence of connection attempts on predefined ports are made. The correct sequence of “knocks” will dynamically open the desired port temporarily so that a connection can be made on the desired port. In this article we will use port 22 as the port to hide with four (4) UDP ports to knock....
Github Repos You can clone my repos and run the following: makepkg -sri Linux419 updated to linux419-4.19.30-1 Linux420 updated to linux420-4.20.17.-1 Linux50 updated to linux50-5.0.3-1 Intro This walk-through will quickly cover an important topic of adding a patch to a kernel, but more specifically, the ACS override patch. This patch allows those who want to pass-through a specific device such as a GPU to a virtual machine such that the virtual machine has a dedicated device....