From ff team about crashing

All World Login Difficulties (Nov. 20)
We are currently experiencing technical difficulties wherein players are being disconnected and having a difficult time logging into FINAL FANTASY XIV: A Realm Reborn. The issue is being addressed, and new updates will follow as additional information becomes available.

We apologize for any inconvenience this may cause.

[Date & Time]
From Nov. 20, 2014 6:55 p.m. (PST)

[Details]
Players are being disconnected and having a difficult time logging in.

[Cause]
-DDoS attack
*For details about DDoS attacks, please refer to the Topics below.
http://sqex.to/b5T

[Affected Service]
-FINAL FANTASY XIV: A Realm Reborn