How to make Daily reward IP check

[fallen0519]

 

<header>,{

set .@n$,"[Daily Reward]";

mes .@n$;

mes "Hey! Have you taken your reward today?";

select("Yes");

if (dr_time$ != gettimestr("%Y%m%d",9)) {

next;

mes .@n$;

mes "LIAR!!!";

mes "Telling lies are no good.";

mes "Please take your reward!";

next;

set dr_time$, gettimestr("%Y%m%d",9);

switch (gettime(4)) {

Case 0: getitem 671,1; break;

Case 1: getitem 672,1; break;

Case 2: getitem 673,1; break;

Case 3: getitem 674,1; break;

Case 4: getitem 675,1; break;

Case 5: getitem 676,1; break;

Case 6: getitem 677,1; break;

}

next;

mes .@n$;

mes "Don't tell lies next time...";

mes "Have a nice day!";

close;

}

next;

mes .@n$;

mes "Then don't talk to me!";

close;

}

 I am using this Daily reward which apply 7 days different reward, but how to make it like IP check, so players cant abuse by using this script. Thanks and waiting for someone to help~