Help please abaout protection on linux

03/02/2013 15:06 sutansah#1
anyone know how to protect your linux server from attacker like this example...

when i check from regupdatelist of player there are ID [][][][][][][]][] login with the hidden ip and then when its reach 6s times ....my linux core dumped...and that written on linux id type :33 ...make linux server fail to respond it...and thats make core dumped....

if anyone know about this causes...please help me..