Shulou(Shulou.com)06/01 Report--

# 1. Clear Rul

Iptables-F clears all established rules

Iptables-X kills all users'"custom" chain (tables should be said)

Iptables-Z returns all chain counts and traffic statistics to zero.

# 2. Set a policy

Iptables-P INPUT DROP

Iptables-P OUTPUT ACCEPT

Iptables-P FORWARD ACCEPT

# 3-5. Make rules

Iptables-An INPUT-I lo-j ACCEPT

Iptables-An INPUT-I eth0-m state-- state RELATED,ESTABLISHED-j ACCEPT

# iptables-An INPUT-I eth0-s 192.168.1.0 take 24-j ACCEPT

# 6. Write to firewall rule profile

/ etc/init.d/iptables save

[root@www ~] # sh bin/firewall.sh

Iptables: Saving firewall rules to / etc/sysconfig/iptables: [OK]

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