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Duo KB: Error starting userland proxy: listen tcp4 0.0.0.0:53: 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: How to Enable Cisco ASA In-line Password Reset with Duo and ISE
Video: How to Generate a CSR and Sign a Firepower Management Center using the GUI
Check out this post if you prefer using the CLI: https://networkwizkid.com/2020/07/10/add-firepower-management-center-certificate-using-cli/ https://youtu.be/qcV9fNlrwR0
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. https://youtu.be/jOIE1TgD7uA https://youtu.be/Nl_uMAuPE5o https://youtu.be/G8m_McpKGmw https://youtu.be/t7KLOPRVKe8 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…
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Configuring Duo Single Sign-on
In this article, we're going to take a look at how to configure Duo hosted single sign-on (SSO) to enable two-factor (2FA) for cloud-based applications. Now, the great thing about Duo is the documentation; it's great! and so, if you're…
Video: Duo 2FA for RDP and Windows Logon – Offline Access
Video: Duo 2FA for RDP and Windows Logon – Remember Device Policy
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…
Read More Duo KB: There was an error communicating with the Duo authentication server 12007
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