perintah-perintah firewall pada opensuse 10.1

untuk memformat:iptables -F

untuk firewall:

iptables -P INPUT DROP |
iptables -P OUTPUT DROP | default
iptables -P FORWARD DROP |
iptables -A INPUT -i lo -j ACCEPT
iptables -A OUTPUT -o lo -j ACCEPT
iptables -A INPUT -m state –state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -p tcp –dport 443 -j ACCEPT
iptables -A OUTPUT -p tcp –sport 443 -j ACCEPT
iptables -A INPUT -p tcp –dport 21212 -j ACCEPT
iptables -A OUTPUT -p tcp –sport 21212 -j ACCEPT
iptables -A INPUT -p tcp –dport 21 -j ACCEPT
iptables -A OUTPUT -p tcp –sport 21 -j ACCEPT

untuk melihat iptables:iptables -L

mengizinkan port 80 keluar
iptables -A OUTPUT -p tcp –sport 80 -j ACCEPT

untuk menyimpan:iptables-save> /etc/simpan

echo “iptables-restore /etc/simpan” >> /etc/rc.d/boot.local

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