CentOS 6.5 端口转发

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

1. #Generatedbyiptables-savev1.4.7onSatMar117:49:092014
2. *nat
3. :PREROUTINGACCEPT[0:0]
4. :POSTROUTINGACCEPT[0:0]
5. :OUTPUTACCEPT[0:0]
6. -APREROUTING-ptcp-mtcp--dport8012-jDNAT--to-destination192.168.1.253:8012
7. -APOSTROUTING-ptcp-mtcp--dport8012-jMASQUERADE
8. -APREROUTING-ptcp-mtcp--dport8000-jDNAT--to-destination192.168.1.253:8000
9. -APOSTROUTING-ptcp-mtcp--dport8000-jMASQUERADE
10. -APREROUTING-ptcp-mtcp--dport8003-jDNAT--to-destination192.168.1.253:8003
11. -APOSTROUTING-ptcp-mtcp--dport8003-jMASQUERADE
12. -APREROUTING-ptcp-mtcp--dport8009-jDNAT--to-destination192.168.1.253:8009
13. -APOSTROUTING-ptcp-mtcp--dport8009-jMASQUERADE
14. -APREROUTING-ptcp-mtcp--dport8880-jDNAT--to-destination192.168.1.253:8880
15. -APOSTROUTING-ptcp-mtcp--dport8880-jMASQUERADE
16. -APREROUTING-ptcp-mtcp--dport8010-jDNAT--to-destination192.168.1.253:8010
17. -APOSTROUTING-ptcp-mtcp--dport8010-jMASQUERADE
18. -APREROUTING-ptcp-mtcp--dport8443-jDNAT--to-destination192.168.1.253:8443
19. -APOSTROUTING-ptcp-mtcp--dport8443-jMASQUERADE
22. -APREROUTING-ptcp-mtcp--dport8090-jDNAT--to-destination192.168.1.244:8090
23. -APOSTROUTING-ptcp-mtcp--dport8090-jMASQUERADE
24. -APREROUTING-ptcp-mtcp--dport8080-jDNAT--to-destination192.168.1.244:8080
25. -APOSTROUTING-ptcp-mtcp--dport8080-jMASQUERADE
27. COMMIT
28. #CompletedonSatMar117:49:092014