what is DDos Attack ? , ddos attack that spam at your static ip and let your service down like website or game service..
and some other using botnet ,
what is botnet ? , that botnet have 2 way , 1st way he is using 4 server have half connection and target one IP (your IP)
and 2nd way using trojan to connect to your pc and let your connection down
how can i stop ddos attack ?
a lot of software can stop ddos attack like kiwiguard , anti ddos guardian
how can i stop botnet ?
you can use zonealarm that good firewall and free , always scan trojan from your network lan , and that software can
stop your ddos too because he can optimize traffic too
if you want more help please tell me here and i will help you more