on login:
if {ips.banned::*} contains "%player's IP address%":
kick the player due to "&4Ayni IP'den 2 Hesapla girilemez"
add player's IP address to {ips.banned::*}
else:
add player's IP address to {ips.banned::*}
on quit:
loop {ips.banned::*}:
if loop-value is player's IP address:
remove loop-value from {ips.banned::*}