08:04 AM EST – UPDATE We have restored connectivity to the impacted email cluster. All services are back to normal and we will continue to monitor the situation for any additional service interruptions. 07:50 AM EST – SERVICE ISSUE OPENED We are currently tracking an Amazon Web Services issue impacting email access for some […]
Emergency Xen Server Maintenance October 20, 2015
Due to a serious Xen security issue, we will be performing emergency maintenance on our da1.gothambus.com hosting cluster on October 20, 2015 between 10 PM eastern and midnight. During this window there will be brief periods of down time during which email and websites hosted on this cluster will be unavailable. We will be posting […]
Root Cause Analysis – Datacenter Connectivity Issues Sept 15-16 2015
On the morning of September 15, 2015 connectivity to our Long Island datacenter was interrupted by a distributed denial of service (DDoS) attack against a neighboring subnet in the datacenter. Analysis shows that this was a RIPv1 reflector attack, wherein old equipment still on the Internet is used to create malicious packet streams designed specifically to […]
Denial of Service Incident – Long Island Datacenter – Sept 16 2015 – 07:00 EDT
Yesterday several neighboring subnets in our Long Island datacenter were targeted with a 1.25 Gbps RIPv1 reflection DDoS attack. While this is not an overly large attack stream, the nature of the attack was such that it was able to induce increased latency and packet loss in the core of the network. Last night additional routing […]
DDoS Incident Update – Sept 15, 2015 16:00 EDT
All of our transit paths have been stable for the past 40 minutes after implementing some additional traffic filtering at our network edge. All customer servers and services are reachable without error from all test points. We are continuing to work with our filtering vendors and partners to determine why our filters did not auto-filter […]