Maintenance work: Perimeter firewall

Message-Id: 202201051340
Time: 06.01.2022 17:00-20:00
Affected: Connections to and from GÖNET
Impact: Cancellation of individual connections

Due to problems with disconnections during the last failover of the the last failover of the firewall cluster, additional changes of the active
of the active cluster node in order to troubleshoot the problem.
This is likely to result in the termination of individual connections again occur.