Per NEOnet:
Two weeks ago, during our normal maintenance window, we performed a firewall upgrade to remediate a security vulnerability. Since that time, we have observed higher-than-normal CPU utilization outside of expected thresholds. To address this, we will be performing a firewall downgrade tonight at 10:00 PM, along with implementing a workaround for the vulnerability. This change will be service-affecting, but is scheduled during off-hours to minimize impact. As always, if you have any questions or concerns, please don’t hesitate to reach out.