Linuxシステム設定
iptables設定例
# iptables -F # iptables -X # iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT # iptables -A INPUT -i lo -j ACCEPT # iptables -A INPUT -p icmp -j ACCEPT # iptables -A INPUT -p tcp --dport 22 -m state --state NEW -j ACCEPT # iptables -A INPUT -p tcp --dport 25 -m state --state NEW -j ACCEPT # iptables -A INPUT -p tcp --dport 110 -m state --state NEW -j ACCEPT