Emergency Maintenance - Security Patching
Scheduled for Nov 16, 22:00 CET - Nov 17, 00:00 CET
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Scheduled
Reason:
We will perform an emergency patch on our firewall infrastructure to address recently identified security vulnerabilities. The upgrade includes critical and high-severity security fixes released by our Vendor and is being treated as a priority security change.
Impact:
The firewall is deployed in a high-availability (HA) configuration to minimize disruption during the upgrade. Brief connectivity interruptions may occur during the automatic failover process while traffic transitions between cluster nodes. Users with active VPN sessions or latency-sensitive applications may experience short interruptions during the maintenance window.
Checks:
During and after the upgrade, we will verify:
- Successful installation on all firewall nodes;
- Health and synchronization status;
- Firewall functionality and network connectivity;
- Expected active/passive failover operation;
- Normal service availability following completion of the maintenance.
Rollback:
If unexpected issues occur, we will first troubleshoot. Should recovery not be possible within the maintenance window, we will restore the previously backed-up configuration.
User actions:
No user action is required. Users who experience connectivity interruptions during the maintenance window may need to reconnect VPN sessions after the maintenance is completed.
We will perform an emergency patch on our firewall infrastructure to address recently identified security vulnerabilities. The upgrade includes critical and high-severity security fixes released by our Vendor and is being treated as a priority security change.
Impact:
The firewall is deployed in a high-availability (HA) configuration to minimize disruption during the upgrade. Brief connectivity interruptions may occur during the automatic failover process while traffic transitions between cluster nodes. Users with active VPN sessions or latency-sensitive applications may experience short interruptions during the maintenance window.
Checks:
During and after the upgrade, we will verify:
- Successful installation on all firewall nodes;
- Health and synchronization status;
- Firewall functionality and network connectivity;
- Expected active/passive failover operation;
- Normal service availability following completion of the maintenance.
Rollback:
If unexpected issues occur, we will first troubleshoot. Should recovery not be possible within the maintenance window, we will restore the previously backed-up configuration.
User actions:
No user action is required. Users who experience connectivity interruptions during the maintenance window may need to reconnect VPN sessions after the maintenance is completed.
This scheduled maintenance affects: Online Business Telephony (OBT - Device registrations, OBT - Webex, OBT - Callcenter Wallboard, OBT - Receptionist application, OBT - Callcenter application, OBT - Reporting, OBT Connector, OBT - Call Processing, OBT - Peter Connects, OBT - DMS, OBT - Voicemail), Microsoft Teams (Microsoft Teams direct routing), OCC Online Contact Center (OCC - Call Processing, OCC Cloud), and Talkdesk.