# 1. Loopback'i koru
iptables -I INPUT 1 -i lo -j ACCEPT
# 2. BANNED zincirini yeniden oluştur ve INPUT'a bağla
iptables -N BANNED
iptables -I INPUT 2 -j BANNED
# 3. 19 /16 blok banı
iptables -A BANNED -s 178.20.0.0/16 -j DROP
# 4. Tekil IP banları
iptables -A BANNED -s 209.99.186.149 -j DROP
iptables -A BANNED -s 195.178.110.137 -j DROP
iptables -A BANNED -s 45.11.96.57 -j DROP
# 5. Kaydet
service iptables save