有大佬玩这个的吗？我下载了cnconline,可以登录，不过进去游戏后，总是显示 1-2错误。
然后用那个软件测试：
Using server nntest.cnc-online.net:30000
Bound to local port 55865
Bound to local alternate port 55866
Resolving hostname 'nntest.cnc-online.net'...
Resolved server host to be '37.247.49.213'
Sending client INIT from port 55865 to nntest.cnc-online.net:30000
Received server INIT [286228]
Our public address is 58.19.5.2:4563
Sending client INIT2 [286228] from port 55866 to nntest.cnc-online.net:30000
Received server INIT2 [286228]
Our alternate public address is 58.19.5.2:4569
Sending cient START [286228] from port 55866 to nntest.cnc-online.net:30000
Received server START [286228]
Server extra port is 40000
Sending client PING [286228] from port 55865 to nntest.cnc-online.net:40000
===========
FAILURE
===========
Failed to receive any pings from nntest.cnc-online.net:40000.
It appears your router and/or connection is not capable of NAT negotiation.
==> You will need to use port forwarding and possibly configure a static port.
Press any key to continue . . .
大佬们是不是用的vpn玩的啊？