[DefaultEx]

Quote:

rcon 0/1 If 0 is specified the rcon Remote Console feature is disabled.

Change it to 0, and if you don't have that there then create that line.
For more info: http://en.wikipedia.org/wiki/Server_log

For instance at your server.cfg

Код:

...
rcon_password 123456
rcon 0
...

add/edit rcon 0 in order to disable the Remove Console feature for your server.