Patched FreeBSD AMIs

I've been maintaining FreeBSD in the EC2 cloud since 2012, and from October 2013 onwards FreeBSD AMIs had code to automatically download and install security and critical errata updates when they first boot. Importantly, this took place before sshd started running, to ensure instances could be launched safely even if there were OpenSSH vulnerabilities in the release, and the system rebooted after…