Affected components

• Internet Uplink

• Wireless (Aruba system)

  House B, C, D, E, H, I, K, L, N, P, Q, CJD and FeM-Office

• Network Management

  FeM AdminDB and network services (DHCP, DNS...)

• Webcluster

• Mailserver

  Mail servers, inboxes & list systems

• VM-Hosts

• Databases

• Pretix

  A Service to Sell Tickets and Manage Events

• FeMCI

  FeM Content Infrastructure

• Storage systems

  Storage systems for servers (e.g. Ceph, ha-storage)

• Monitoring

  All monitoring systems, e.g. Icinga, Grafana, ...

• Mattermost

  Internal Messenger

• Helpdesk