Yubico and their products are awesome.
That pretty much sums up this blog post but I'm going to go on anyway. If you're thinking of introducing two-factor authentication to your company, or you're using something that's fundamentally broken (like RSA SecureID) you simply must at least take Yubikeys into consideration.Read the rest of this entry »
The documentation for OpenSSH certificates (introduced in OpenSSH 5.4) are, shall we say, a bit lacking. So I'm writing down the essentials of what they are and how to use them.
What they are NOT
They're not SSH PubkeyAuthentication
In other words if your .pub file doesn't end in -cert.pub and you haven't used ssh-keygen -s, then you aren't using certificates.Read the rest of this entry »