User blog comment:LovingKate/Nexon Server Stability/@comment-11356046-20140115040144

Well Col Panic just announced that Nexon has recently underwent a bunch of DDoS

That's probably why

http://combatarms.nexon.net/Community#%2Fshowthread.php%3F1076720-A-Message-Regarding-Stability-Issues%26p%3D9115706%23post9115706