New Zealand's largest ISP, Xtra, and the country's main international Internet gateway, Netgate, suffered a severe Denial of Service attack this afternoon.
The attack reportedly originated from the US and according to sources in the industry lasted for some four hours. ISPs using Netgate as their international gateway reported intermittent connectivity losses, and poor performance for their
Chris Thompson, General Manager of Xtra, said that Xtra experiences these problems reasonably regularly, but that this one was particularly severe and had affected performance throughout the day and caused a half hour outage. Thompson said that they often notice these attacks become more frequent during school holidays.
Jetstream user and Xtra customer Scott Newton of Auckland software development house Quanta Systems says that he "experienced plenty of time-outs with some sites abroad" and "generally degraded performance". Another JetStream user says performance has been sporadically ppor this week.
Access from other ISPs to Xtra's Web site was also difficult this afternoon, with ping times of around 500ms and some packet loss.