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# 1  
Old 10-01-2009

What should be the iptables rule so that only the subnet may access the mysql port 3306
# 2  
Old 10-02-2009
Make sure that the default policy is 'DROP' or 'REJECT', and use these rules:
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -p tcp -s --dport 3306 -m state --state NEW -j ACCEPT
iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT

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