ubuntu伺服器預設iptables

ubuntu伺服器預設iptables:

roles.v4

Generated by iptables-save v1.4.21 on Thu Mar 26 11:41:15 2015

*filter
:INPUT DROP [1:50]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [1965:3767032]
-A INPUT -i lo -j ACCEPT
-A INPUT -p tcp -m tcp --dport  -j ACCEPT
-A INPUT -p tcp -m tcp --dport  -j ACCEPT
-A INPUT -p tcp -m tcp --dport  -j ACCEPT
-A INPUT -p icmp -m icmp --icmp-type  -j ACCEPT
-A INPUT -m state --state ESTABLISHED -j ACCEPT
COMMIT