Subject: [linux-security] openssh sftp subsystem bugs; From: Martin Siegert <[email protected]> Date: Fri, 30 Nov 2001 16:09:23 -0800; User-Agent: Mutt/1.2.5i; ... which would cause it to send two ...

Chances are you administer your Linux machines by way of logging in via SSH. If you do, you should probably have already configured two-factor authentication to help lock down that login.