A friend and I have been playing on a dedicated server for a day now with no issue. This afternoon he was no longer able to connect and is getting a "Connection Lost" message after it hangs for a while.
Server details;
Centos 7 x64_86 1611
6GB RAM
i5 2500k
Logs
Client;
http://pastebin.com/UtEw9cNL
Server;
http://pastebin.com/mkLsmra4