Let's Encrypt Is Now In Public Beta (eff.org)
Peter Eckersley writes: As of today, Let's Encrypt is in Public Beta. If you're comfortable running beta software that may have a few bugs and rough edges, you can use it to instantly obtain and install certificates for any HTTPS website or TLS service. You can find installation instructions here.
There is a pretty writeup about modern TLS issues on lwn: http://lwn.net/Articles/664385...
It seems that certificate revocation is not working particularly well in practice. The 90 day duration is meant to help with this, you can simply let the certificate expire.
Bear in mind that current free certificates from the likes of StartSSL expire after 1 year anyway - and are at least 4 times more hassle to obtain and install than Lets Encrypt is shaping up to be.
In a survey of 100 programmers, 111111 thought that duck-typing was a good idea.