![]() TLS RequirementsĮffective June 30, 2023, Duo no longer supports TLS 1.0 or 1.1 connections or insecure TLS/SSL cipher suites. See Duo Knowledge Base article 7546 for additional guidance. If your organization requires IP-based rules, please review Duo Knowledge Base article 1337.Įffective June 30, 2023, Duo no longer supports TLS 1.0 or 1.1 connections or insecure TLS/SSL cipher suites. This application communicates with Duo's service on SSL TCP port 443.įirewall configurations that restrict outbound access to Duo's service with rules using destination IP addresses or IP address ranges aren't recommended, since these may change over time to maintain our service's high availability. Duo application features like failmode, offline access, and UAC protection may be configured during installation or post-installation via Regedit or Group Policy.Can Duo protect local console logins in Windows?.Guide to Duo Authentication for Windows Logon and RDP Integration Security.How can I prevent an attacker with compromised administrative credentials from disabling Duo for Windows Logon and bypassing MFA?.Review these Duo Knowledge Base articles for additional security recommendations:.Installing Duo for Windows Logon on these devices may block logins, requiring uninstallation from Safe Mode. This application doesn't support Surface Pro X or other devices with ARM processors.It's a good idea to have your BitLocker recovery key available in the event you need to boot into safe mode to uninstall Duo.Users with blank passwords may not login after Duo Authentication installation. Windows users must have passwords to log in to the computer. ![]() See Can I Use Duo with a Microsoft Account? for more information.
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