status.duo.com Open in urlscan Pro
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1 forms found in the DOM

POST /subscriptions/incident.json

<form class="modal-content" id="subscribe-form-29gxgdnb0991" action="/subscriptions/incident.json" accept-charset="UTF-8" data-remote="true" method="post">
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  <div class="modal-header">
    <a href="#" data-dismiss="modal" class="close" data-js-hook="incident-modal-close" aria-label="close" role="button">×</a>
    <h4 id="incident-subscription-dialog-header"> Subscribe to Incident </h4>
  </div>
  <div class="modal-body">
    <p style="margin-bottom:25px" id="incident-subscription-dialog-description"> Subscribe to updates for <strong>[Federal Deployments] Authentication issues using Yubikey tokens</strong> via email and/or text message. You'll receive email
      notifications when incidents are updated, and text message notifications whenever Duo <strong>creates</strong> or <strong>resolves</strong> an incident. </p>
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Text Content

[Federal Deployments] Authentication issues using Yubikey tokens
Incident Report for Duo
Postmortem

Summary 

On Nov 4, 2024, between 6:37 p.m. and 7:20 p.m. ET, FedRAMP customers using
YubiKey tokens for authentication experienced failed authentications. The root
cause was identified as a configuration error introduced during the rollout of a
new software version for the internal proxy service. 

Deployments Impacted 

 * DUO61 

Timeline of Events (ET) 

 * 2024-11-04 6:38:35 - Duo Site Reliability Engineering (SRE) is alerted by an
   automated monitoring system of a high number of Python tracebacks. 

 * 2024-11-04 7:05:00 - The issue is identified as related to the recent
   software upgrade to the internal proxy service. 

 * 2024-11-04 7:11:00 - The software rollback process is initiated. 

 * 2024-11-04 7:20:00 - Rollback process completes, and Python tracebacks
   decrease. 

 * 2024-11-04 7:22:00 - The Duo status page is updated to inform customers of
   the downtime. 

Details 

The root cause was identified as a configuration mismatch between two services,
introduced during the new software deployment. The issue was identified and
resolved within 40 minutes, impacting 494 users. 

As a short-term solution, Duo rolled back to the previous stable version of code
to mitigate customer impact. After authentications were confirmed to be
successful again, Duo released a permanent fix to the affected deployments to
ensure long-term stability.

Posted 7 hours ago. Nov 06, 2024 - 19:09 EST

--------------------------------------------------------------------------------

Resolved
The issue causing authentication failures using Yubikey tokens is now resolved
and full functionality is restored.

We will be posting a root-cause analysis (RCA) here once our engineering team
has finished its thorough investigation of the issue.
Posted 2 days ago. Nov 04, 2024 - 20:04 EST
Monitoring
We have implemented a fix for the authentication issue using Yubikey tokens.

We will continue to monitor the issue and will post any updates when the
incident is considered fully resolved.
Posted 2 days ago. Nov 04, 2024 - 19:46 EST
Identified
We have identified the cause of the authentication issue using Yubikey tokens
and are actively working to restore service.
Posted 2 days ago. Nov 04, 2024 - 19:33 EST
Investigating
We are currently investigating an issue that is affecting authentication using
Yubikey tokens on Federal Deployments. We are working on remediation and will
provide more updates as soon as we have more information.
Posted 2 days ago. Nov 04, 2024 - 19:24 EST
This incident affected: DUO1 (Core Authentication Service), DUO2 (Core
Authentication Service), DUO3 (Core Authentication Service), DUO4 (Core
Authentication Service), DUO5 (Core Authentication Service), DUO7 (Core
Authentication Service), DUO8 (Core Authentication Service), DUO47 (Core
Authentication Service), DUO10 (Core Authentication Service), DUO11 (Core
Authentication Service), DUO12 (Core Authentication Service), DUO13 (Core
Authentication Service), DUO14 (Core Authentication Service), DUO15 (Core
Authentication Service), DUO16 (Core Authentication Service), DUO17 (Core
Authentication Service), DUO18 (Core Authentication Service), DUO19 (Core
Authentication Service), DUO20 (Core Authentication Service), DUO21 (Core
Authentication Service), DUO22 (Core Authentication Service), DUO23 (Core
Authentication Service), DUO24 (Core Authentication Service), DUO25 (Core
Authentication Service), DUO26 (Core Authentication Service), DUO27 (Core
Authentication Service), DUO28 (Core Authentication Service), DUO29 (Core
Authentication Service), DUO30 (Core Authentication Service), DUO31 (Core
Authentication Service), DUO32 (Core Authentication Service), DUO33 (Core
Authentication Service), DUO34 (Core Authentication Service), DUO36 (Core
Authentication Service), DUO37 (Core Authentication Service), DUO38 (Core
Authentication Service), DUO39 (Core Authentication Service), DUO40 (Core
Authentication Service), DUO41 (Core Authentication Service), DUO42 (Core
Authentication Service), DUO43 (Core Authentication Service), DUO44 (Core
Authentication Service), DUO45 (Core Authentication Service), DUO46 (Core
Authentication Service), DUO48 (Core Authentication Service), DUO9 (Core
Authentication Service), DUO49 (Core Authentication Service), DUO50 (Core
Authentication Service), DUO51 (Core Authentication Service), DUO52 (Core
Authentication Service), DUO53 (Core Authentication Service), DUO54 (Core
Authentication Service), DUO55 (Core Authentication Service), DUO56 (Core
Authentication Service), DUO57 (Core Authentication Service), DUO58 (Core
Authentication Service), DUO59 (Core Authentication Service), DUO60 (Core
Authentication Service), DUO61 (Core Authentication Service), DUO62 (Core
Authentication Service), DUO63 (Core Authentication Service), DUO64 (Core
Authentication Service), DUO65 (Core Authentication Service), DUO66 (Core
Authentication Service), DUO67 (Core Authentication Service), DUO68 (Core
Authentication Service), DUO69 (Core Authentication Service), DUO70 (Core
Authentication Service), DUO71 (Core Authentication Service), DUO72 (Core
Authentication Service), DUO73 (Core Authentication Service), DUO74 (Core
Authentication Service), DUO75 (Core Authentication Service), DUO76 (Core
Authentication Service), DUO77 (Core Authentication Service), DUO78 (Core
Authentication Service), DUO79 (Core Authentication Service), DUO80 (Core
Authentication Service), DUO81 (Core Authentication Service), DUO6 (Core
Authentication Service), and DUO35 (Core Authentication Service).

© 2024 Cisco Systems, Inc.

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