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В кластер входят документы, описывающие конкретные инциденты с DDoS-атаками и сбоями в работе сайта Habr, и не входят сообщения о других технических проблемах или посторонних темах.
Общие признаки: DDoS-атаки на сайт Habr, сбои в доступности ресурса, технические меры по восстановлению работы сайта, оповещения пользователей о состоянии сервиса
Группа выше: Эксплуатация и мобильные приложения Habr
Смысл: The text is a brief announcement stating that the Habrahabr website is experiencing a DDoS attack, causing intermittent access issues, but the situation is being managed.
Habrahabr is currently under a DDoS attack causing intermittent connection issues, though the situation is under control.
Смысл: The author is questioning whether the Habr website has recovered from a recent outage or if they have simply encountered a temporary window of availability during an ongoing attack.
A user asks the Habr community if the website has finally recovered from a DDoS attack or if the current availability is only temporary.
Смысл: The text is a status update informing users about a severe DDoS attack on the Habr website, the technical nature of the attack (UDP flood), and the steps taken by the administration to mitigate the traffic and restore stability.
Habr experienced a massive UDP-flood DDoS attack in September 2010, peaking at 3Gbps, which forced the site to implement blackhole routing and professional protection services.
Смысл: The text is a public explanation and apology regarding a massive DDoS attack on the Habr website in 2008, detailing the technical mitigation process and the positive outcome of improved security infrastructure.
Habr suffered its strongest-ever DDoS attack from a 15,000-node botnet in January 2008, which was successfully mitigated through a new subnet and Cisco Guard via their host, Caravan.
Смысл: The text serves as a sarcastic and lighthearted announcement that the Habr website is finally operational again, thanking the worried fans while mocking the 'detectives' who tried to scrape the site's internal folders.
Habr administrators announce the site's return while mocking users who tried to leak content from hidden folders.