CS Network Status

This page lists both active and recently closed CS network alerts. If you would like more information about an alert, or if you have an issue you would like to report, send email to helpdesk [-at-] cs [dot] umd [dot] edu or call extension 52720.

Current Active Alerts

1 current active alerts

Updated Issue Summary Impact
01.14.2026 15:04 gitlab.cs.umd.edu maintenance: All Sundays 10AM to 3PM in January

The CS IT staff will perform maintenance on gitlab.cs.umd.edu between 10am - 3pm each Sunday in January through the first Sunday of February 02/01/2026.

During these times you will not have access to the GitLab website, API, repositories, runners, or other GitLab services.

 		Moderate

Past Alerts

Updated Issue Summary Impact
01.12.2016 13:37 Services should be back to normal. If you have issues, email or call Staffworld.
01.12.2016 13:36 E-mail disruption

Starting around noon today some e-mail accounts stopped receiving new messages. You will receive a bounce message if you send e-mail to one of these accounts. We are working on the problem now.

 		Moderate
01.06.2016 13:18 Services should be back to normal. If you have issues, email or call Staffworld.

If you notice network disruptions after 3pm, please contact us using our
non-cs address: csoutage@umd.edu or call Staffworld (301-405-2720).
The Staffworld phone will attempt to locate on-call staff, so if you call, please follow the prompts.

 		None
01.06.2016 13:18 Junkfood home directories and some email unavailable - time to resolve unkown Heavy
12.24.2015 16:24 Outage today, 12-3 PM. Periods of downtime up to 30 minutes. Heavy
12.24.2015 13:15 No outbound connections from some systems scheduled for 12:30-1:15.

Maintenance to outbound NAT device will prevent outside network access from unsupported net (172.16.0.0/255.255.0.0) systems including many office systems and some servers.

 		Moderate
12.24.2015 12:47 Full outage scheduled 12-12:30.

Replacement of core routers for entire CS network.

 		Severe
12.24.2015 10:32 Changed Junkfood SSH keys

This morning junkfood.cs.umd.edu was switched to new servers. The new junkfood servers have new SSH keys. If you get an error when connecting like "WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!" then please follow the instructions in the error message to remove the old keys from your local cache. See the e-mail sent out this morning for the fingerprints of the new SSH keys.

 		Light
12.03.2015 16:49 Issues with incoming and outgoing mail

We are currently experiencing issues with our mail server, hindering both the delivery and reception of mail. We are actively working to restore mail services.
We believe the problem is now resolved. Messages held in the queue will start to appear in inboxes shortly. Any bounce messages you received will need to have the original message resent. Similarly, any people who have contacted you about receiving a bounce message while trying to contact you will need to resend their message to you.

 		Heavy
11.26.2015 20:29 One load balanced web server is still down, all other systems back to normal. Light