Content relating to VPN software and technology.
openvpn 2.6.0 released
The new openvpn 2.6.0 has some very nice and shiny features you might want to starting using soon. This post highlights some of them.
Create a TPM backed certificate request (on windows)
Certificates are everywhere - sometimes you want to keep them even more secure than just on the filesystem (or operating system store). This guide shows how to create TPM backed certificates on windows.
pfsense - CRL has expired in openvpn server
A few days ago we ran into an issue where pfsense appliances started to refuse openvpn connections by showing "CRL has expired" error messages. As it shows the reason is an overflow a date.
openvpn data channel offload
openvpn is working on offloading the data channel to kernel space. This is improving throughput by an order of magnitude according tests.
openvpn 2.5 - using wintun
Starting with release 2.5 openvpn added support for wintun interfaces. To enable utilization of wintun interfaces, you need to make some adjustments.