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ۼ : 06-12-19 09:19
UDP flooding å
 ۾ :
ȸ : 6,373  

iptables -L : Ǿ ִ ȭ Ȯ
iptables -F : Ǿ ִ ȭ ʱȭ.


- Ʒ ܼ ( ͹̳ο Է )

iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -F INPUT
iptables -F OUTPUT
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A OUTPUT -p udp ! --dport 53 -m state --state NEW -j DROP

iptables -L

[root@mapo root]# iptables -L
Chain INPUT (policy ACCEPT)
target     prot opt source               destination        
ACCEPT     all  --  anywhere             anywhere           state RELATED,ESTABLISHED


Chain FORWARD (policy ACCEPT)
target     prot opt source               destination        


Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination        
ACCEPT     all  --  anywhere             anywhere           state RELATED,ESTABLISHED
DROP       udp  --  anywhere             anywhere           udp dpt:!domain state NEW

߰ ȹ.


 
 

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