Firewall maintenance

Firewall maintenance

urgency: planned
affected services:
– umts
– portal
– email
– shared hosting
– backup
– internal bit servers
expected impact:
– possible short disruption of the affected services.
customer intervention required: no
reference number: 198848

summary:

on wednesday august 20th between 00:00 hrs and 02:00 hrs we will perform
maintenance on our firewall cluster. during this
maintenance we will apply a software update.

details:

to perform the update as smooth as possible the backup unit will be
updated first, followed by the other unit. during this maintenance, we
will switch between the active and backup unit a number of times. this
switchover can cause one or more short disruptions of one or a few
seconds to all firewalled services.