Outage in Nexcess

IP Binding Failure on esclade.nexcess.net (Port 80) – SYN Flood Attack

Resolved Minor
April 20, 2025 - Started 9 days ago - Lasted about 5 hours
Official incident page

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Outage Details

We're currently investigating an issue affecting esclade.nexcess.net, where services on port 80 are experiencing interruptions due to an IP binding failure. Early indicators suggest a potential SYN flood attack may be contributing to the issue. Our systems and networking teams are actively working to mitigate the impact, restore full functionality, and implement protective measures. We will provide updates here as soon as more information becomes available. Thank you for your patience while we resolve this. If you have any further questions or concerns, please feel free to reach out to us at support@nexcess.net or via chat.
Latest Updates ( sorted recent to last )
RESOLVED 8 days ago - at 04/21/2025 12:51AM

The IP binding issue affecting esclade.nexcess.net (port 80) has been fully resolved. All services are operating normally, and no further impact has been observed since mitigation measures were put in place.

We’ll continue to monitor as a precaution, but no additional action is required at this time.

Thank you for your patience and understanding throughout the incident.

If you have any further questions or concerns, please feel free to reach out to us at support@nexcess.net or via chat.

MONITORING 9 days ago - at 04/20/2025 10:33PM

The IP binding issue on esclade.nexcess.net (port 80), previously caused by a suspected SYN flood attack, has been mitigated. Services are now running normally.

Our teams have implemented protective measures to prevent further impact, and we are continuing to monitor the server closely to ensure ongoing stability.

We’ll keep this post updated if anything changes. Thank you for your continued patience.

If you have any further questions or concerns, please feel free to reach out to us at support@nexcess.net or via chat.

INVESTIGATING 9 days ago - at 04/20/2025 07:46PM

We're currently investigating an issue affecting esclade.nexcess.net, where services on port 80 are experiencing interruptions due to an IP binding failure. Early indicators suggest a potential SYN flood attack may be contributing to the issue.

Our systems and networking teams are actively working to mitigate the impact, restore full functionality, and implement protective measures.

We will provide updates here as soon as more information becomes available. Thank you for your patience while we resolve this.

If you have any further questions or concerns, please feel free to reach out to us at support@nexcess.net or via chat.

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