Iptables防火墙NAT地址转换

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# Generated by iptables-save v1.4.7 on Thu May 12 17:31:40 2016
*nat
:OUTPUT ACCEPT [0:0]
:PREROUTING ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
-A POSTROUTING -s 10.0.0.0/24 -o eth0 -j SNAT --to 192.168.1.148
COMMIT
# Completed on Thu May 12 17:31:40 2016
# Generated by iptables-save v1.4.7 on Thu May 12 17:31:40 2016
*mangle
:PREROUTING ACCEPT [0:0]
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
COMMIT
# Completed on Thu May 12 17:31:40 2016
# Generated by iptables-save v1.4.7 on Thu May 12 17:31:40 2016
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 443 -j ACCEPT
COMMIT
# Completed on Thu May 12 17:31:40 2016

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