I have similar issues, day of defeat source
198.204.251.50:27301
Located in USA non steam.
[Thu Dec 4 02:19:56 2014]: Verifying 198.204.251.50:27301 (198.204.251.50:27301)
[Thu Dec 4 02:19:56 2014]: Got KEY (dods) from 198.204.251.50:27301
[Thu Dec 4 02:19:56 2014]: Server reply: 90000GameUI_ServerRejectNewProtocol
[Thu Dec 4 02:19:56 2014]: FAIL. Server denied me.