Monthly Archives: August 2010


Using Yubikey as your Two-Factor-Authentication for SSH

I ordered last week my own OTP token YubiKey. An alternative is possibly SweKey, but after lots of reading on both sites I came across their Security Evaluation. In the end I just found YubiKey friendlier. So it arrived already a few days after I ordered, despite their statement that it is sent from the […]


OpenVPN is just great!

Setting up a SSL VPN with OpenVPN from Linux to Windows is just easy-peasy! On here you can find the necessary information what is required to setup your own CA on Windows, it can create the necessary client keys as well. Configuring a OpenVPN on Linux (Ubuntu) cannto be easier, just stick in the certificates, […]


Evaluating OpenID – it is all good, seriously 1

I did not give up on OpenID. This is just too bad that it doesnt work. Long story short: I got a proper SSL certificate for www.preissler.co.uk, where my actual OpenID provider is sitting at. ModSecurity got in the way, quite nasty. So. It is working now, seriously, like a dream. All the issues I […]


Evaluating OpenID

I had good intentions. I wanted to make my own password-life easier and more comfortable. The foundation would have been OpenID – in later stage with Yubikey as a OTP generator. But OpenID is not ready yet. I installed my own authentication server / identity Community-ID, this worked so far. Authenticating from WordPress using my […]