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Status Messages

Today

11:11 UTC Everything operating normally.
0:09 UTC Hour 118: Mitigation remains effective and service is stable.

Yesterday, March 30, 2015

19:32 UTC After 113 hours of sustained DDoS attacks our defenses are holding. We will keep our status at yellow until the threat has subsided.
11:50 UTC All systems reporting at 100%. Attack traffic continues, so we remain on high alert.
6:46 UTC The DDoS attack has evolved and we are working to mitigate
0:38 UTC All systems reporting at 100%. Attack traffic continues, so we remain on high alert.

March 29, 2015

19:25 UTC We've adjusted our mitigation tactics and are observing improved TCP performance for the majority of non-attack traffic.
17:21 UTC 87 hours in, our mitigation is deflecting most attack traffic. We're aware of intermittent issues and continue to adapt our response.
14:52 UTC The ongoing DDoS attack is affecting connectivity to Gist. We're working to mitigate further disruption.
10:53 UTC Services are stable as we continue to mitigate against a large scale DDoS attack.
8:18 UTC The ongoing DDoS attack has changed tactics. We are experiencing intermittent service outages and working to mitigate.
8:05 UTC Minor service outage.
6:34 UTC While the attack is ongoing, mitigation continues to hold and service is stable. We remain on high alert in case the attack evolves.
0:50 UTC Into hour 71 defending the attack. Mitigation is holding and service is stable.

March 28, 2015

16:18 UTC We are working to mitigate an ongoing and evolving large DDoS attack.
10:00 UTC The ongoing DDoS attack has shifted again to include Pages and assets. We are updating our defenses to match.
4:46 UTC The ongoing DDoS attack has adjusted tactics again. We are continuing to adapt and mitigate it.
2:30 UTC The ongoing DDoS attack has shifted to include Pages and assets. We are updating our defenses to match.

March 27, 2015

22:41 UTC We are continuing to defend GitHub against a very large DDoS attack.
19:23 UTC The on-going DDoS attack now includes GitHub Pages. We are working to mitigate any service disruption.
15:49 UTC We're aware that GitHub.com is intermittently unavailable for some users during the ongoing DDoS. Restoring service for all users while deflecting attack traffic is our number one priority.
15:04 UTC We've deployed our volumetric attack defenses against an extremely large amount of traffic. Performance is stabilizing.
14:45 UTC The attack has ramped up again, and we're evolving our mitigation strategies to match.
12:33 UTC The DDoS attack is still ongoing, but connectivity is back to normal as we continue mitigation. We're keeping a close eye on our traffic for any abnormalities.
10:00 UTC We continue to respond to an ongoing DDoS attack. Some users may experience intermittent connectivity with git operations as we mitigate the problem.
8:31 UTC At this time we're fully operational but we're still mitigating the ongoing DDoS attack and there may be intermittent connectivity issues as we continue working on the problem
7:25 UTC Everything operating normally.
6:29 UTC The DDoS attack is amplifying again. We are working to mitigate with all hands on deck.
5:29 UTC Everything operating normally.
3:35 UTC We've been under continuous DDoS attack for 24+ hours. The attack is evolving, and we're all hands on deck mitigating.
2:22 UTC We are investigating increased error rates as an incoming DDoS amplifies their attack.
2:18 UTC Minor service outage.

March 26, 2015

2:08 UTC We've identified and mitigated a DoS attack that was impacting service. Service is recovering and we are monitoring the situation
1:55 UTC Minor service outage.

March 25, 2015

23:59 UTC All systems reporting at 100%