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Effective October 28, 2019 Duo Security will be transitioning to Cisco's Privacy Statement. View the Duo Privacy Data Sheet.

Duo for Unix with pam_duo

Duo can be easily added to Unix systems to protect remote (SSH) or local logins. It has been tested on Linux (RedHat, Fedora, CentOS, Debian, Ubuntu, Amazon Linux), BSD (FreeBSD, NetBSD, OpenBSD), Solaris, and AIX.

Watch our integration video to see just how easy the set-up process is. Read the documentation for this integration at