The TeleAuth Client Tools are a set of Unix tools
for the TeleAuth two-factor/two-channel
authentication system. This includes a commandline
client and a set of PAM modules. It also enables
out-of-the-box two-factor authentication on Linux,
Mac OS X, and Windows machines. These tools can be
used to integrate Web sites, VPNs, and other
network services with TeleAuth. They are primarily
written for the free Public TeleAuth Server.