new IllegalNames[][7] = {
"com1","com2","com3",
"com4","com5","com6",
"com7","com8","com9",
"lpt1","lpt2","lpt3",
"lpt4","lpt5","lpt6",
"lpt7","lpt8","lpt9",
"nul","clock$","aux",
"prn","con"
};

public OnPlayerConnect(playerid)
{
    new pName[MAX_PLAYER_NAME];
    GetPlayerName(playerid, pName, sizeof(pName));

    for(new i = 0; i < sizeof(IllegalNames); i++)
    {
        if(!strcmp(pName, IllegalNames[i] , true))
	{
            Kick(playerid);
        }
    }
    return 0;
}