ITS Service Status Report

Emergency Maintenance — Maintenance Completed

Enable Network Border Security Enhancements

Services Affected: Internet, NBIS

Start Time: 01/26/2023 5:00 am

Maintenance Completed: 01/26/2023 5:20 am

Issue Symptoms: None

ITS Network Engineering, Network Operations (UMNet), and Information Assurance (IA) staff will be enhancing U-M's network border security with the release of a new BlockingArbiter middleware.

This network border security enhancement is expected to be transparent to the U-M community with no noticeable impact to services/systems and no disruption to network/Internet connections.

No actions on the part of the U-M community are necessary as part of this maintenance.


Who is Impacted? No noticeable impact to campus is expected

Technical Details

Service Type: Production

Server Name:,,,


1/26/23 @ 5:20 am - Maintenance completed as planned and tested successfully.

Groups Notified:

Report Additional Impacts

Contact the ITS Service Center for more information or to report additional impacts.