把访问本机的XX端口，转发到其他机器的端口
vi /etc/sysctl.conf配置文件的net.ipv4.ip_forward = 1默认是0 这样允许iptalbes FORWARD
我是直接编辑文件改的 ：sudo vi/etc/sysconfig/iptables
- #Generatedbyiptables-savev1.4.7onSatMar117:49:092014
- *nat
- :PREROUTINGACCEPT[0:0]
- :POSTROUTINGACCEPT[0:0]
- :OUTPUTACCEPT[0:0]
- -APREROUTING-ptcp-mtcp--dport8012-jDNAT--to-destination192.168.1.253:8012
- -APOSTROUTING-ptcp-mtcp--dport8012-jMASQUERADE
- -APREROUTING-ptcp-mtcp--dport8000-jDNAT--to-destination192.168.1.253:8000
- -APOSTROUTING-ptcp-mtcp--dport8000-jMASQUERADE
- -APREROUTING-ptcp-mtcp--dport8003-jDNAT--to-destination192.168.1.253:8003
- -APOSTROUTING-ptcp-mtcp--dport8003-jMASQUERADE
- -APREROUTING-ptcp-mtcp--dport8009-jDNAT--to-destination192.168.1.253:8009
- -APOSTROUTING-ptcp-mtcp--dport8009-jMASQUERADE
- -APREROUTING-ptcp-mtcp--dport8880-jDNAT--to-destination192.168.1.253:8880
- -APOSTROUTING-ptcp-mtcp--dport8880-jMASQUERADE
- -APREROUTING-ptcp-mtcp--dport8010-jDNAT--to-destination192.168.1.253:8010
- -APOSTROUTING-ptcp-mtcp--dport8010-jMASQUERADE
- -APREROUTING-ptcp-mtcp--dport8443-jDNAT--to-destination192.168.1.253:8443
- -APOSTROUTING-ptcp-mtcp--dport8443-jMASQUERADE
- -APREROUTING-ptcp-mtcp--dport8090-jDNAT--to-destination192.168.1.244:8090
- -APOSTROUTING-ptcp-mtcp--dport8090-jMASQUERADE
- -APREROUTING-ptcp-mtcp--dport8080-jDNAT--to-destination192.168.1.244:8080
- -APOSTROUTING-ptcp-mtcp--dport8080-jMASQUERADE
- COMMIT
- #CompletedonSatMar117:49:092014
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