Video: How to enable Duo 2FA for the Firepower Device Manager with Cisco ISE

Duo KB: Error starting userland proxy: listen tcp4 bind: address already in use

Problem While configuring the Duo Network Gateway (DNG) on a Ubuntu device for RDP, I came across the following error while trying to configure a DNS service: The error is presented because the Ubuntu system is using the UDP port…

Video Series: Duo 2FA for ASA/FTD Remote Access VPN’s with Cisco ISE

In this video series, I walk through the different integration workflows available when looking at adding Duo two-factor authentication to RA VPN's and where Cisco ISE may already be deployed. duo-two-factor-authentication-for-asa-remote-access-vpns-with-cisco-iseDownload

Protecting the Cisco Meraki Dashboard with Duo Single Sign-On (SSO)

In my previous article here, we took a look at how to configure Duo for hosted SSO. This article will focus on how we can protect the Cisco Meraki dashboard with Duo using the hosted Duo Single Sign-On (SSO). As…

Duo KB: There was an error communicating with the Duo authentication server 12007

Observed issue: While trying to login into a Windows system with Duo 2FA enabled and using local logon credentials, the following error was displayed. There was an error communicating with the duo authentication server 12007 Observed cause: This error occurs…