# How the Friday DDoS attack affected Pingdom - **期号**: SRE Weekly Issue #46(2016-10-30) - **作者**: — - **链接**: http://royal.pingdom.com/2016/10/24/ddos-attack-affects-pingdom/ ## 简介 Pingdom suffered a major outage during the Dyn DDoS, not only due to their own DNS-related issues, but also due to the massive number of alerts their system was trying to send out to notify customers that their services were failing. > […] at 19:20 we went to DEFCON 1 and suspended the alerting service altogether. ## 正文 > ⚠️ 抓取失败:HTTP 404