Northwestern University incident
Arthur Rubloff Building Firewall Service Interruption
Resolved after 19 hours 11 minutes, affecting Wired Network Services (Network Connectivity), on October 23, 2026.
Full redundancy has been restored to the firewall that serves the Arthur Rubloff Building. A root cause for this issue is still being identified with the vendor.
Affected components
Update timeline
- identified Oct 23, 2026, 04:46 AM UTC
Northwestern Information Technology is working to resolve an issue with 750nlsd-4west-fw-3-abf-node0 firewall after patching. The next update will be by 10/23/2026 10:00 CDT.
- identified Oct 23, 2026, 06:06 PM UTC
Northwestern Information Technology is continuing to investigate and resolve an issue with 750nlsd-4west-fw-3-abf-node0 firewall after patching. The next update will be provided by 9:00 AM CDT, 10/26/2026
- resolved Oct 23, 2026, 11:57 PM UTC
Full redundancy has been restored to the firewall that serves the Arthur Rubloff Building. A root cause for this issue is still being identified with the vendor.
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