CentOS 6.5 端口转发

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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

# Generated by iptables-save v1.4.7 on Sat Mar  1 17:49:09 2014*nat:PREROUTING ACCEPT [0:0]:POSTROUTING ACCEPT [0:0]:OUTPUT ACCEPT [0:0]-A PREROUTING -p tcp -m tcp --dport 8012 -j DNAT --to-destination 192.168.1.253:8012 -A POSTROUTING -p tcp -m tcp --dport 8012 -j MASQUERADE -A PREROUTING -p tcp -m tcp --dport 8000 -j DNAT --to-destination 192.168.1.253:8000 -A POSTROUTING -p tcp -m tcp --dport 8000 -j MASQUERADE -A PREROUTING -p tcp -m tcp --dport 8003 -j DNAT --to-destination 192.168.1.253:8003 -A POSTROUTING -p tcp -m tcp --dport 8003 -j MASQUERADE -A PREROUTING -p tcp -m tcp --dport 8009 -j DNAT --to-destination 192.168.1.253:8009-A POSTROUTING -p tcp -m tcp --dport 8009 -j MASQUERADE -A PREROUTING -p tcp -m tcp --dport 8880 -j DNAT --to-destination 192.168.1.253:8880-A POSTROUTING -p tcp -m tcp --dport 8880 -j MASQUERADE -A PREROUTING -p tcp -m tcp --dport 8010 -j DNAT --to-destination 192.168.1.253:8010-A POSTROUTING -p tcp -m tcp --dport 8010 -j MASQUERADE -A PREROUTING -p tcp -m tcp --dport 8443 -j DNAT --to-destination 192.168.1.253:8443-A POSTROUTING -p tcp -m tcp --dport 8443 -j MASQUERADE -A PREROUTING -p tcp -m tcp --dport 8090 -j DNAT --to-destination 192.168.1.244:8090-A POSTROUTING -p tcp -m tcp --dport 8090 -j MASQUERADE -A PREROUTING -p tcp -m tcp --dport 8080 -j DNAT --to-destination 192.168.1.244:8080-A POSTROUTING -p tcp -m tcp --dport 8080 -j MASQUERADE COMMIT# Completed on Sat Mar  1 17:49:09 2014

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