Just a heads up to Ubuntu and Debian users out there. There is a major bug in openSSL that needs to be patched on all Debian and Ubuntu systems and you must regenerate your ssh keys. I’ve included some links to the gory details:

http://lists.debian.org/debian-security-announce/2008/msg00152.html

http://www.ubuntu.com/usn/usn-612-1

http://www.ubuntu.com/usn/usn-612-2